CN116411594A - Waterproof construction method - Google Patents
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- CN116411594A CN116411594A CN202310567830.1A CN202310567830A CN116411594A CN 116411594 A CN116411594 A CN 116411594A CN 202310567830 A CN202310567830 A CN 202310567830A CN 116411594 A CN116411594 A CN 116411594A
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- 239000000463 material Substances 0.000 claims abstract description 181
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims abstract description 20
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- 238000007789 sealing Methods 0.000 claims description 19
- 239000011449 brick Substances 0.000 claims description 17
- 229920005549 butyl rubber Polymers 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 16
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- 239000011248 coating agent Substances 0.000 claims description 9
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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Abstract
The application provides a waterproof construction method, relates to the technical field of waterproof construction, is designed for basement waterproof construction, and comprises a basement bottom plate coiled material waterproof construction method, a basement outer wall coiled material waterproof construction method and a composite anchor rod anti-pulling pile waterproof construction method, wherein the basement bottom plate coiled material waterproof construction method comprises the following steps: base layer treatment, detail treatment, elastic wire positioning, large-area paving and pre-paving of anti-sticking high polymer waterproof coiled materials, coiled material lap joint treatment, self-adhesion, repair and acceptance inspection; the basement water content detection and the base surface cleaning are included in the basement bottom plate, the outer wall and the base layer of the composite anchor rod anti-floating pile waterproof construction, the water content of the base layer or the leveling layer can be tested, meanwhile, the cleanliness of the layer surface can be kept, the condition of hollowness is reduced, and the basement waterproof construction effect is improved.
Description
Technical Field
The application relates to the technical field of waterproof construction, in particular to a waterproof construction method.
Background
In the groundwater waterproof construction process, waterproof coiled materials are generally adopted to carry out waterproof construction treatment on a basement bottom plate, a basement outer wall and a composite anchor rod anti-pulling pile so as to reduce the occurrence of the conditions of humidity and even water seepage of the basement.
In the related art, the phenomenon of hollowing of the paved waterproof coiled material can be caused by overlarge water content of the base surface or insufficient cleanliness of the base surface in the waterproof coiled material paving process, so that the underground water waterproof construction effect is affected.
For this reason, the present application proposes a waterproofing method to improve the above-mentioned problems.
Disclosure of Invention
In order to solve the problem that hollowness is easy to occur in the process of laying waterproof coiled materials in the related art, the embodiment of the application provides a waterproof construction method, and the occurrence probability of the conditions is reduced by carrying out water content test and cleaning treatment on a base layer, so that the use effect of the basement after waterproof construction is improved.
The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows: a waterproof construction method is designed for basement waterproof construction and comprises a basement bottom plate coiled material waterproof construction method, a basement outer wall coiled material waterproof construction method and a composite anchor rod anti-pulling pile waterproof construction method, wherein,
the basement bottom plate coiled material waterproof construction method comprises the following steps:
base layer treatment, detail treatment, elastic wire positioning, large-area paving and pre-paving of anti-sticking high polymer waterproof coiled materials, coiled material lap joint treatment, self-adhesion, repair and acceptance inspection;
the basement outer wall coiled material waterproof construction method comprises the following steps:
preparing construction, treating a base layer, brushing a special base layer treating agent, bouncing a datum line, paving a large-surface self-adhesive coiled material, fixing a coiled material receiving head, sealing with coiled material sealing paste, and checking and accepting a tissue;
the waterproof construction method of the composite anchor rod anti-floating pile comprises the following steps:
laying a cushion layer, treating a base layer, laying a waterproof coiled material, laying a concrete protective layer, arranging annular polysulfide caulking paste at the positions of the steel pipe and the matched anchor rod, and arranging annular slow-expansion water-swelling rubber strips at the positions of the steel pipe.
And wherein the substrate treatment comprises substrate moisture content detection and base surface cleaning.
Preferably, the basement floor, the outer wall and the composite anchor rod anti-pulling pile are all processed by the base layer, which comprises the detection of the water content of the base layer and the cleaning of the base surface,
meanwhile, in the basement bottom plate coiled material waterproof construction method, the surface of the base layer is required to be smoothed and polished by the base layer treatment, and residual mortar blocks or protrusions are required to be smoothed by a shovel blade; for the joint of the plane and the vertical plane of the underground engineering, the internal and external corners should be made into arc shape or 45 degrees slope angle; for the pull rod bolts protruding out of the waterproof base surface, cutting off the ends of the cut pull rod bolts, and trowelling with cement mortar; and surface floating soil and sand grains are removed for cleaning the basal plane.
Preferably, in the basement bottom plate coiled material waterproof construction method, the paving position of the butyl rubber self-adhesive polymer waterproof coiled material is determined by a steel tape before the butyl rubber self-adhesive polymer waterproof coiled material is paved in a large area, and the butyl rubber self-adhesive polymer waterproof coiled material is positioned by a line snapping machine.
Preferably, in the basement bottom plate coiled material waterproof construction method, when the butyl rubber self-adhesive polymer waterproof coiled material is paved and adhered on a large area, the butyl rubber self-adhesive polymer waterproof coiled material is arranged on a base layer according to a spring wire control position, the butyl rubber self-adhesive polymer waterproof coiled material is flat and straight and cannot be distorted, the lap joint width is 100mm, and the coiled material joint is adhered by double-sided butyl adhesive tape.
Preferably, in the basement bottom plate coiled material waterproof construction method, coiled material lap joint treatment is concrete side wall and structural layer lap joint coiled material treatment, a permanent waterproof guide wall is built during construction, namely a brick bed die, plastering is formed on the inner side of the brick bed die, an arc treatment is carried out at the inner and outer corners of the brick bed die, butyl adhesive self-adhesive high polymer waterproof coiled material on the structural layer is constructed to the brick bed die, throwing joint treatment is carried out at the top of the brick bed die, the throwing joint width is not less than 200mm, two-skin bricks are adopted for pressing after construction is completed, relevant protection measures are carried out, the butyl adhesive self-adhesive high polymer waterproof coiled material is prevented from being damaged, temporary special protection measures are taken for the throwing joint part of the butyl adhesive self-adhesive high polymer waterproof coiled material on the structural layer during construction of the butyl adhesive self-adhesive high polymer waterproof coiled material on the concrete side wall, the butyl adhesive self-adhesive high polymer waterproof coiled material on the structural layer is directly lapped to the back surface of the butyl adhesive high polymer coiled material on the structural layer, double-sided butyl adhesive self-adhesive high polymer waterproof coiled material on the structural layer is bonded, and the lap joint width is 150mm.
Preferably, in the basement outer wall coiled material waterproof construction method, the base layer treatment is to treat cracks by adopting cement mortar; the joint part of the yin and yang angle and the pipe root needs to be made into an arc shape by using water sediment slurry at the headquarter; in the process of cleaning the basal surface, the cleaning work must be carried out at any time in the construction to remove impurities, greasy dirt and sand on the surface and stones and mortar lumps protruding out of the surface.
Preferably, in the basement outer wall coiled material waterproof construction method, before the coiled material is paved, the special base layer treating agent is coated, all parts are uniformly and completely covered, the base layer treating agent cannot be neglected to coat, especially, the detail is adopted, the dosage is about 0.20kg/m < 2 >, the base layer treating agent is coated on the surface of the treated base layer by selecting a short handle brush at the detail of the yin-yang corner, the base layer treating agent cannot be uniformly coated, the base layer after the base layer treating agent is coated is not leaked or exposed, the coiled material is paved as soon as possible, so that secondary dust pollution is avoided, and the base layer which is polluted by dust and has secondary pollution is required to be coated again.
Preferably, in the basement outer wall coiled material waterproof construction method, the waterproof coiled material is SBS polyester tire polymer modified asphalt waterproof coiled material, and the waterproof coiled material is paved by a short-side lap joint method and a coiled material long-side lap joint method, wherein,
short edge overlapping method: firstly, fixing the tail end of a coiled material, reserving 80mm at the lap joint of the short edge, firstly, lightly scratching the lap joint of the short edge by a paper cutter, lifting the isolation film, bonding the isolation film with the lap joint of the short edge of the lower coiled material, and if a double-sided coiled material is adopted, tearing the isolation film with the width of 80mm at the lap joint of the short edge of the lower coiled material to bond the isolation film with the lap joint of the short edge of the upper layer.
The lap joint method of the long edges of the coiled material comprises the following steps: at the overlapping position of the long side, the lower part of the second coiled material is separated from the overlapping area of the first coiled material by an independent isolating film, at the moment, the isolating films of the overlapping area of the two coiled materials are simultaneously uncovered, the overlapping sides which are not polluted by cement are adhered together by self-adhesive glue, the overlapping area is pressed by a small pressing roller in a key way, the air of the overlapping sides is extruded, tightly compacted and firmly adhered, and the overlapping width of the long side is not less than 80mm.
In the related art, the surface of the wall pipe is not cleaned and derusted. The periphery of the pipe penetrating position is dead angle, and the coiled material is difficult to spread and paste, so that the leakage around the pipeline is easy to cause, and the waterproof construction effect is influenced.
Preferably, the basement outer wall coiled material waterproof construction method also relates to a wall penetrating pipe, wherein in the construction process of the wall penetrating pipe, the wall penetrating pipe should be derusted and dusted in advance, the distance between the wall penetrating pipe and an inner corner and between the wall penetrating pipe and a concave-convex part should not be less than 250mm, sealing adhesive layers should be coated at ports on the inner side and the outer side between the wall penetrating pipe and a sleeve as well as between the wall penetrating pipe and a concrete side wall, the embedding depth of the sealing adhesive layers should not be less than 20mm and should be more than 1.5 times of a gap; the middle gap is filled by a polyurethane foam gap filler layer, and the outer wall of the concrete side wall is coated with a waterproof coating reinforcing layer positioned outside the wall penetrating pipe.
In the construction process of the wall penetrating pipe, the wall penetrating pipe is required to remove rust and dirt in advance, so that the pipeline is kept clean, and the coiled material waterproof layer is ensured to be firmly bonded with the pipeline; meanwhile, a polyurethane foam joint mixture layer and a sealing sealant layer are filled between the sleeve and the wall penetrating pipe, so that the sealing performance of the joint part of the sleeve and the wall penetrating pipe is improved; in addition, the sealing effect of the joint of the wall body, the sleeve and the wall penetrating pipe can be improved on the upstream surface by utilizing the design of the waterproof coating reinforcing layer; this reduces the probability of leakage around the pipe.
Preferably, when the wall penetrating group pipe part is processed by coiled materials, when the same part is subjected to multi-pipe wall penetrating, a wall penetrating sleeve group or a steel plate water stopping wall penetrating sleeve group method is adopted, the wall penetrating sleeve group or the steel plate water stopping wall penetrating sleeve group is welded and fixed with structural steel bars, and flexible sealing materials or non-shrinkage cement-based grouting materials are poured into cavities of the wall penetrating sleeve group.
The embodiment of the application has the advantages that:
the basement water content detection and the base surface cleaning are included in the basement bottom plate, the outer wall and the base layer of the composite anchor rod anti-floating pile waterproof construction, the water content of the base layer or the leveling layer can be tested, meanwhile, the cleanliness of the layer surface can be kept, the condition that hollowness is easy to occur in the waterproof coiled material laying process in the related technology is reduced, and then the using effect of the basement waterproof construction is improved.
Drawings
Fig. 1 is a flowchart of a basement waterproofing method according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a basement floor coiled material after laying according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a basement exterior wall coiled material after laying according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a connection relationship between an individual wall pipe and a concrete side wall according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a connection relationship between a through-wall pipe group and a concrete side wall according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a composite anchor rod anti-pulling pile after waterproof construction according to an embodiment of the present application.
In the figure: 1-a cushion layer; 2-butyl self-adhesive high molecular waterproof coiled material; 3-a protective layer; 4-a structural layer; 5-double-sided butyl tape; 6-a special non-cured bonding layer; 7-brick moulding bed; 8-wall penetrating pipes; 9-a sleeve; 10-sealing the sealant layer; 11-a polyurethane foam joint compound layer; 12-a waterproof coating reinforcing layer; 13-wing rings; 14-concrete side walls; 15-wall bushing; 16-sealing a steel plate; 17-water stop ring/water stop steel plate; 18-fixing angle steel; 19-a shrinkage-free self-leveling cement grouting material layer; 20-SBS polyester tire high polymer modified asphalt waterproof coiled material; 21-a separator; a polymer waterproof mortar leveling layer with the thickness of 22-20 mm and a 1 mm cement-based permeable crystallization waterproof coating; 23-reversely sticking a high polymer waterproof coiled material; a 24-C20 fine stone concrete protective layer; 25-steel pipes; 26-composite anchor rod; 27-annular polysulfide caulk; 28-slow expansion water-swelling rubber strips; 29-steel anchor plate; 30-compression anchor.
Detailed Description
The technical scheme in this application embodiment is for solving the problem that the hollowing is liable to occur in the waterproofing membrane laying process in the related art, and the overall thinking is as follows:
example 1:
referring to fig. 1-6, a waterproof construction method is designed for basement waterproof construction, and comprises a basement bottom plate coiled material waterproof construction method, a basement outer wall coiled material waterproof construction method and a composite anchor rod anti-pulling pile waterproof construction method, wherein,
the basement bottom plate coiled material waterproof construction method comprises the following steps: wherein the bottom plate is generally referred to as the bottom surface of the basement.
Base layer treatment, detail treatment, elastic wire positioning, large-area paving of pre-paving of butyl self-adhesive high polymer waterproof coiled materials 2, coiled material lap joint treatment, self-adhesion, repair and acceptance inspection;
the basement outer wall coiled material waterproof construction method comprises the following steps:
preparing construction, treating a base layer, brushing a special base layer treating agent, bouncing a datum line, paving a large-surface self-adhesive coiled material, fixing a coiled material receiving head, sealing with coiled material sealing paste, and checking and accepting a tissue;
the waterproof construction method of the composite anchor rod anti-floating pile comprises the following steps:
laying a cushion layer, treating a base layer, laying a waterproof coiled material, laying a concrete protective layer, arranging annular polysulfide caulking paste at the positions of the steel pipe and the matched anchor rod, and arranging annular slow-expansion water-swelling rubber strips at the positions of the steel pipe.
It should be noted that the base layer refers to the cushion layer 1 in the basement outer wall coiled material waterproof construction method; and the base layer in the basement exterior wall coiled material waterproof construction method refers to the outer surface of the concrete side wall 14.
And wherein the substrate treatment comprises substrate moisture content detection and base surface cleaning. The basement water content detection and the base surface cleaning are included in the basement bottom plate, the outer wall and the base layer of the composite anchor rod anti-floating pile waterproof construction, the water content of the base layer or the leveling layer can be tested, meanwhile, the cleanliness of the layer surface can be kept, the condition that hollowness is easy to occur in the waterproof coiled material laying process in the related technology is reduced, and then the using effect of the basement waterproof construction is improved.
In the basement bottom plate coiled material waterproof construction method, the surface of the base layer is required to be smoothed and polished by the base layer treatment, and residual mortar blocks or protrusions are required to be smoothed by a shovel blade; for the joint of the plane and the vertical plane of the underground engineering, the internal and external corners should be made into arc shape or 45 degrees slope angle; for the pull rod bolts protruding out of the waterproof base surface, cutting off the ends of the cut pull rod bolts, and trowelling with cement mortar; and surface floating soil and sand grains are removed for cleaning the basal plane.
In the basement bottom plate coiled material waterproof construction method, the paving position of the butyl rubber self-adhesive polymer waterproof coiled material 2 is determined by a steel tape before the butyl rubber self-adhesive polymer waterproof coiled material 2 is paved on a large area, and the butyl rubber self-adhesive polymer waterproof coiled material is positioned by a line snapping machine.
In the basement bottom plate coiled material waterproof construction method, as shown in fig. 1, when the butyl rubber self-adhesive polymer waterproof coiled material 2 is paved and adhered on a large area, the butyl rubber self-adhesive polymer waterproof coiled material 2 is arranged on a base layer according to a spring wire control position, the butyl rubber self-adhesive polymer waterproof coiled material 2 is smooth and straight and cannot be twisted, the lap joint width is 100mm, and the joint of the coiled materials is bonded by using a double-sided butyl adhesive tape 5.
In the basement bottom plate coiled material waterproof construction method, as shown in fig. 1, coiled material lap joint treatment is concrete side wall 14 and structural layer 4 lap joint coiled material treatment, build permanent waterproof guide wall in construction, namely brick bed die 7, brick bed die 7 inboard is plastered, form the plastering layer, circular arc treatment is done in yin and yang angle department, butyl adhesive self-adhesive polymer waterproof coiled material 2 construction to brick bed die 7 position on structural layer 4, get rid of the department of throwing the department at brick bed die 7, get rid of the width and must not be less than 200mm, adopt two skin brick presses after the construction is accomplished, make relevant safeguard measure, prevent butyl adhesive self-adhesive polymer waterproof coiled material 2 breakage, butyl adhesive self-adhesive polymer waterproof coiled material 2 temporary safeguard measure of butyl adhesive self-adhesive polymer waterproof coiled material 2 throwing position on structural layer 4 is demolished in the construction of structural layer 4, butyl adhesive self-adhesive polymer waterproof coiled material 2 adopts non-setting tie layer 6 to be connected to concrete side wall 14, waterproof coiled material that concrete side wall 14 connected is directly lap joint to structural layer 4 is on butyl adhesive polymer coiled material 2 back, adopt double-sided butyl adhesive tape 5 to bond width and be 150mm.
Meanwhile, a protective layer 3 is arranged between the butyl adhesive self-adhesive high polymer waterproof coiled material 2 and the structural layer 4 to protect the butyl adhesive self-adhesive high polymer waterproof coiled material 2 and reduce the probability of breakage.
In the basement outer wall coiled material waterproof construction method, cement mortar is adopted for the base layer treatment to treat cracks; the joint part of the yin and yang angle and the pipe root needs to be made into an arc shape by using water sediment slurry at the headquarter; in the process of cleaning the basal surface, the cleaning work must be carried out at any time in the construction to remove impurities, greasy dirt and sand on the surface and stones and mortar lumps protruding out of the surface.
In the basement outer wall coiled material waterproof construction method, before coiled materials are paved, special base treatment agent is coated, all parts are uniformly and completely covered, neglected coating is avoided, especially details are adopted, the dosage is about 0.20kg/m < 2 >, short handle brushes are selected for the node details of the yin-yang corners to coat the base treatment agent on the surface of the treated base layer, the base layer is uniformly coated, the base layer cannot be leaked or exposed, the coiled materials are paved as soon as possible after the base layer treatment agent is coated, so that secondary dust pollution is avoided, and the base layer which is polluted by dust and has secondary pollution must be recoated with the base layer treatment agent.
In the basement outer wall coiled material waterproof construction method, the waterproof coiled material is an SBS polyester tire polymer modified asphalt waterproof coiled material 20, and the short side lap joint and the coiled material long side lap joint method are involved in the waterproof coiled material laying process, wherein in the basement bottom plate coiled material waterproof construction method, the waterproof coiled material connected with the side wall is the SBS polyester tire polymer modified asphalt waterproof coiled material 20.
Short edge overlapping method: firstly, fixing the tail end of a coiled material, reserving 80mm at the lap joint of the short edge, firstly, lightly scratching the lap joint of the short edge by a paper cutter, lifting the isolation film 21, bonding the lap joint with the short edge lap joint of the lower coiled material, and if a double-sided coiled material is adopted, tearing the isolation film 21 with the width of 80mm at the lap joint of the short edge of the lower coiled material to bond the lap joint of the short edge of the upper layer.
The lap joint method of the long edges of the coiled material comprises the following steps: at the overlapping position of the long side, the lower part of the second coiled material is separated from the overlapping area of the first coiled material by an independent isolating film 21, at the moment, the isolating films 21 of the overlapping area of the two coiled materials are simultaneously uncovered, the overlapping edges which are not polluted by cement are bonded together by self-adhesive, the overlapping area is pressed by a small pressing roller in a key way, the air of the overlapping edges is extruded, tightly compacted and firmly bonded, and the overlapping width of the long side is not less than 80mm.
In the related art, the surface of the through-wall pipe 8 is not cleaned and derusted. The periphery of the pipe penetrating position is dead angle, and the coiled material is difficult to spread and paste, so that the leakage around the pipeline is easy to cause, and the waterproof construction effect is influenced.
As shown in fig. 3, in the basement outer wall coiled material waterproof construction method, a wall penetrating pipe 8 is also involved, in the construction process of the wall penetrating pipe 8, the wall penetrating pipe 8 should be derusted and dusted in advance, the pipeline is kept clean, the distance between the wall penetrating pipe 8 and the inner corner and the concave-convex part should not be less than 250mm, the sealing glue layer 10 should be coated on the ports on the inner side and the outer side between the wall penetrating pipe 8 and the sleeve 9 and between the sleeve 9 and the concrete side wall 14, the embedding depth of the sealing glue layer 10 should not be less than 20mm, and should be greater than 1.5 times of the gap; the middle gap is filled by a polyurethane foam gap filler layer 11, and the outer wall of the concrete side wall 14 is coated with a waterproof coating reinforcing layer 12 positioned on the upstream surface outside the wall pipe 8.
In the construction process of the wall penetrating pipe 8, the wall penetrating pipe 8 should be derusted and dusted in advance, so that the pipeline is kept clean, and the coiled material waterproof layer is firmly bonded with the pipeline; meanwhile, a polyurethane foam joint mixture layer 11 and a sealing sealant layer 10 are filled between the sleeve 9 and the wall penetrating pipe 8, so that the tightness of the joint part of the sleeve 9 and the wall penetrating pipe is improved; in addition, the sealing effect of the joint of the concrete side wall 14, the sleeve 9 and the wall penetrating pipe 8 can be improved on the upstream surface by utilizing the design of the waterproof coating reinforcing layer 12; this reduces the probability of leakage around the wall pipe 8.
Meanwhile, the sleeve 9 is provided with a wing ring 13 extending into the concrete side wall 14, and the sleeve 9 and the wing ring 13 are matched to facilitate the reinforcement of the installation firmness of the wall penetrating pipe 8 on the concrete side wall 14.
When the wall penetrating group pipe part is processed by coiled materials, when the same part is subjected to multitube wall penetrating, a wall penetrating sleeve 15 group or steel plate water stopping wall penetrating sleeve group method is adopted, the wall penetrating sleeve 14 group or the steel plate water stopping wall penetrating sleeve group is welded and fixed with structural steel bars, specifically, as shown in fig. 4, a gap between adjacent wall penetrating sleeves 15 is fixed by adopting a sealing steel plate 16, fixed angle steel 18 is arranged between the bottom wall penetrating sleeve 15 and the inner bottom of a concrete side wall 14 hole, and the fixed angle steel 18 is fixed by adopting a water stopping ring/water stopping steel plate 17, so that the leakage condition at the position of the wall penetrating sleeve 17 is reduced.
The non-shrinkage cement-based grouting material layer 19 is preferably poured into the cavity of the wall bushing 15 group, so that the leakage condition at the wall bushing 17 is further reduced.
In addition, as shown in fig. 6, in the waterproof construction method of the composite anchor rod anti-pulling pile, the concrete steps are as follows:
s1, a cushion layer 1 is a plain ramming cushion layer;
s2, constructing a 20-thickness polymer waterproof mortar leveling layer and a 1-thickness cement-based permeable crystallization type waterproof coating 20 on the cushion layer 1, and laying a coiled material in a later period to reduce empty drum conditions and simultaneously performing waterproof construction of the composite anchor rod anti-pulling pile in advance;
s3, paving a 1.5-thick pre-paved anti-sticking polymer waterproof coiled material 23, and further reinforcing the waterproof construction of the composite anchor rod anti-pulling pile;
s4, constructing a 50-thickness C20 fine stone concrete protective layer 24 on the anti-adhesion polymer waterproof coiled material 23, and reducing the damage probability of the anti-adhesion polymer waterproof coiled material 23 after long-term use;
s5, sticking an annular slow-expansion water-swelling rubber strip 28 on the outer wall of the steel pipe 25, and arranging an annular polysulfide caulking paste layer 27 at the position of the 65mm steel pipe 25 and 450mm composite anchor rod 26, so that the probability of water inlet damage at the joint of the steel pipe 25 and the cushion layer 1 is reduced.
S6, a steel anchor plate 29 is arranged at the top end of the steel pipe 25, and an extrusion anchor 30 is arranged through the steel anchor plate 29.
In conclusion, the waterproof effect of the anti-pulling pile of the composite anchor rod is protected.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. A waterproof construction method is designed for basement waterproof construction and is characterized by comprising a basement bottom plate coiled material waterproof construction method, a basement outer wall coiled material waterproof construction method and a composite anchor rod anti-pulling pile waterproof construction method, wherein,
the basement bottom plate coiled material waterproof construction method comprises the following steps:
base layer treatment, detail treatment, elastic wire positioning, large-area paving and pre-paving of anti-sticking high polymer waterproof coiled materials, coiled material lap joint treatment, self-adhesion, repair and acceptance inspection;
the basement outer wall coiled material waterproof construction method comprises the following steps:
preparing construction, treating a base layer, brushing a special base layer treating agent, bouncing a datum line, paving a large-surface self-adhesive coiled material, fixing a coiled material receiving head, sealing with coiled material sealing paste, and checking and accepting a tissue;
the waterproof construction method of the composite anchor rod anti-floating pile comprises the following steps:
laying a cushion layer, treating a base layer, laying a waterproof coiled material, laying a concrete protective layer, arranging annular polysulfide caulking paste at the positions of the steel pipe and the matched anchor rod, and arranging annular slow-expansion water-swelling rubber strips at the positions of the steel pipe.
And wherein the substrate treatment comprises substrate moisture content detection and base surface cleaning.
2. The waterproof construction method of claim 1, wherein the basement floor, the outer wall and the composite anchor rod anti-pulling pile are all processed by the base layer comprising the detection of the water content of the base layer and the cleaning of the base surface,
meanwhile, in the basement bottom plate coiled material waterproof construction method, the surface of the base layer is required to be smoothed and polished by the base layer treatment, and residual mortar blocks or protrusions are required to be smoothed by a shovel blade; for the joint of the plane and the vertical plane of the underground engineering, the internal and external corners should be made into arc shape or 45 degrees slope angle; for the pull rod bolts protruding out of the waterproof base surface, cutting off the ends of the cut pull rod bolts, and trowelling with cement mortar; and surface floating soil and sand grains are removed for cleaning the basal plane.
3. The waterproof construction method according to claim 1, wherein in the basement floor coiled material waterproof construction method, a steel tape is used for determining the paving position of the butyl rubber self-adhesive polymer waterproof coiled material before the butyl rubber self-adhesive polymer waterproof coiled material is paved on a large area, and a wire spring is used for spring wire positioning.
4. The waterproof construction method according to claim 1, wherein in the basement floor coiled material waterproof construction method, when the butyl rubber self-adhesive polymer waterproof coiled material is paved on a large area, the butyl rubber self-adhesive polymer waterproof coiled material is arranged on a base layer according to a spring line control position, the butyl rubber self-adhesive polymer waterproof coiled material is flat and straight and cannot be twisted, the lap joint width is 100mm, and the joint of the coiled materials is bonded by double-sided butyl adhesive tape.
5. The waterproof construction method of claim 1, wherein in the basement bottom plate coiled material waterproof construction method, coiled material lap joint treatment is concrete side wall and structural layer lap joint coiled material treatment, a permanent waterproof guide wall is built during construction, namely, a brick moulding is plastered, a plastering layer is formed on the inner side of the brick moulding, circular arc treatment is carried out at the yin and yang corners, butyl adhesive self-adhesive polymer waterproof coiled material on the structural layer is constructed to the brick moulding, throwing joint treatment is carried out at the top of the brick moulding, throwing joint width is not smaller than 200mm, two-skin brick pressing is adopted after construction is completed, relevant protection measures are carried out, the butyl adhesive self-adhesive polymer waterproof coiled material of the structural layer is prevented from being broken, temporary protection measures are taken for the throwing joint part of the butyl adhesive self-adhesive polymer waterproof coiled material of the structural layer are removed during construction of the butyl adhesive self-adhesive polymer waterproof coiled material of the structural layer, the butyl adhesive self-adhesive polymer waterproof coiled material of the structural layer is connected to the concrete side wall by adopting a non-cured bonding layer, the waterproof coiled material connected with the structural layer is directly lapped to the back of the butyl adhesive self-adhesive polymer coiled material by adopting double-sided butyl adhesive tape, and the lap joint width is 150mm.
6. The waterproof construction method according to claim 1, wherein in the basement exterior wall coiled material waterproof construction method, the base layer treatment is to treat cracks with cement mortar; the joint part of the yin and yang angle and the pipe root needs to be made into an arc shape by using water sediment slurry at the headquarter; in the process of cleaning the basal surface, the cleaning work must be carried out at any time in the construction to remove impurities, greasy dirt and sand on the surface and stones and mortar lumps protruding out of the surface.
7. The waterproof construction method as claimed in claim 1, wherein, in the basement exterior wall coiled material waterproof construction method, before the coiled material is paved, the special base layer treating agent is coated, all parts are uniformly and completely covered, the base layer treating agent is not required to be coated, especially, the detail is about 0.20kg/m < 2 >, the base layer treating agent is coated on the surface of the treated base layer by selecting a short handle brush at the detail of the yin-yang corner, the base layer is required to be uniformly coated, the base layer is not required to be coated or exposed, the coiled material is paved as soon as possible after the base layer treating agent is coated, so that secondary dust pollution is avoided, and the base layer which is polluted by dust must be coated again.
8. The waterproof construction method according to claim 1, wherein in the basement exterior wall coiled material waterproof construction method, the waterproof coiled material is SBS polyester tire polymer modified asphalt waterproof coiled material, and the waterproof coiled material is paved by short-side lap joint and coiled material long-side lap joint methods,
short edge overlapping method: firstly, fixing the tail end of a coiled material, reserving 80mm at the lap joint of the short edge, firstly, lightly scratching the lap joint of the short edge by a paper cutter, lifting the isolation film, bonding the isolation film with the lap joint of the short edge of the lower coiled material, and if a double-sided coiled material is adopted, tearing the isolation film with the width of 80mm at the lap joint of the short edge of the lower coiled material to bond the isolation film with the lap joint of the short edge of the upper layer.
The lap joint method of the long edges of the coiled material comprises the following steps: at the overlapping position of the long side, the lower part of the second coiled material is separated from the overlapping area of the first coiled material by an independent isolating film, at the moment, the isolating films of the overlapping area of the two coiled materials are simultaneously uncovered, the overlapping sides which are not polluted by cement are adhered together by self-adhesive glue, the overlapping area is pressed by a small pressing roller in a key way, the air of the overlapping sides is extruded, tightly compacted and firmly adhered, and the overlapping width of the long side is not less than 80mm.
9. The waterproof construction method of claim 1, wherein the waterproof construction method of the basement outer wall coiled material also relates to a wall penetrating pipe, the wall penetrating pipe is required to be derusted and dusted in advance in the construction process of the wall penetrating pipe, the distance between the wall penetrating pipe and an inner corner and between the wall penetrating pipe and a sleeve, between the wall penetrating pipe and a concrete side wall are required to be not less than 250mm, sealing sealant layers are required to be coated at ports on the inner side and the outer side, the embedding depth of the sealing sealant layers is required to be not less than 20mm, and the embedding depth of the sealing sealant layers is required to be greater than 1.5 times of a gap; the middle gap is filled by a polyurethane foam gap filler layer, and the outer wall of the concrete side wall is coated with a waterproof coating reinforcing layer positioned outside the wall penetrating pipe.
10. The waterproof construction method of claim 9, wherein when the wall penetrating group pipe part is processed by coiled materials, when the same part is multi-pipe penetrated, a wall penetrating sleeve group or a steel plate water stopping wall penetrating sleeve group method is adopted, the wall penetrating sleeve group or the steel plate water stopping wall penetrating sleeve group is welded and fixed with structural steel bars, and flexible sealing materials or non-shrinkage cement-based grouting material layers are poured into cavities of the wall penetrating sleeve group.
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| CN117947821A (en) * | 2024-03-15 | 2024-04-30 | 中交建筑集团有限公司 | Waterproof construction method and system for basement side wall at deep foundation pit occluding pile part |
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