CN112900455A - Construction method for burying super-thick landscape table ceramsite and polystyrene board - Google Patents
Construction method for burying super-thick landscape table ceramsite and polystyrene board Download PDFInfo
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- CN112900455A CN112900455A CN202110158888.1A CN202110158888A CN112900455A CN 112900455 A CN112900455 A CN 112900455A CN 202110158888 A CN202110158888 A CN 202110158888A CN 112900455 A CN112900455 A CN 112900455A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0009—PE
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0017—Plastics thermoplastic
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0098—Bitumen
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a construction method for burying a porcelain granule polystyrene board of an ultra-thick landscape table, relating to the technical field of porcelain granule polystyrene board burying; the problems of large load, long construction period and large structural stress are solved; the method specifically comprises the following steps: according to a basic construction diagram, floor mortar doped with ceramsite is poured on a waterproof layer surface layer of a top plate of a basement, drain holes are embedded simultaneously, an overhead layer autoclaved gray brick wall is built at square intervals, polystyrene boards are continuously paved in layers in a partition wall, then a concrete protective layer is poured, finally, a water filtering board is paved and earthwork backfilling work is carried out, the floor mortar poured on a cotton layer of the waterproof layer is CL5.0 premixed lightweight aggregate ceramsite concrete, and the preparation process of the CL5.0 premixed lightweight aggregate ceramsite concrete comprises the following steps: firstly, mixing cement and ceramsite according to the weight ratio of 1: and 2, metering. The invention is beneficial to the construction of garden landscape engineering of large public buildings, has large backfill area and high thickness, and the construction method can lift the height of the landscape table.
Description
Technical Field
The invention relates to the technical field of ceramsite and polystyrene board landfill, in particular to a construction method for burying a super-thick landscape table ceramsite and polystyrene board.
Background
The polystyrene board is used as a heat insulation layer and is fully called a polystyrene foam board, namely a foam board or an EPS board. It is a white solid with a fine closed pore structure, which is formed by heating expandable polystyrene beads containing a volatile liquid foaming agent in a mold after heating and pre-foaming. In the construction process of the project of the Suzhou citizen service center, the project east side is hoped mutually with the ecological artificial lake of Longhu lake, people are higher and higher to the demand of "green, energy-conserving, environmental protection", in order to look at and look at the Longhu directly at the landscape square, landscape basic level thickness need be raised greatly to this project, makes large-scale public building landscape engineering reach the landscape effect, need up raise at low-lying department or structure base level and reach the design elevation. Therefore, a construction method for burying the porcelain granule polystyrene board of the super-thick landscape table is needed.
However, the most traditional and common construction method in the prior art is soil filling, but the method also has various defects of large load, long construction period, large structural stress and the like, so that a large amount of construction resources and materials are consumed, the structural reinforcement ratio is increased, the cost performance is low, and the construction method is more and more vulnerable to people when people advocate low-carbon energy conservation, cost reduction and efficiency improvement nowadays.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a construction method for burying a super-thick landscape table ceramsite and polystyrene board.
In order to achieve the purpose, the invention adopts the following technical scheme:
a construction method for burying a porcelain granule polystyrene board of an ultra-thick landscape table comprises the following steps: s1: according to the basic constructional diagram, floor mortar doped with ceramsite is poured on the waterproof layer surface layer of the top plate of the basement;
s2: simultaneously, drain holes are pre-buried, and an overhead layer autoclaved ash brick wall is built at square intervals;
s3: continuously laying polystyrene boards in layers in the partition wall;
s4: then, pouring a concrete protective layer;
s5: and finally, laying a water filtering plate and backfilling earthwork.
Preferably: in the S1, the terrace mortar poured on the waterproof layer cotton layer is CL5.0 ready-mixed lightweight aggregate ceramsite concrete, and the preparation process of the CL5.0 ready-mixed lightweight aggregate ceramsite concrete comprises the following steps:
a1: firstly, mixing cement and ceramsite according to the weight ratio of 1: 2, metering, wherein the metering allowable deviation of the aggregate is less than +/-3%, and the metering allowable deviation of the cement and the water is less than +/-2%;
a2: performing water tight treatment on the ceramsite in advance, and adjusting the water consumption of the mixing ratio according to the water content of the ceramsite sampled and measured before stirring;
a3: the feeding sequence of the self-falling stirrer is as follows: adding 1/2 water, adding ceramsite and ready-mixed lightweight aggregate concrete, stirring for about 1min, adding the rest water, and continuously stirring for not less than 2 min.
Further: the pouring of the lightweight aggregate ceramsite concrete comprises the following steps:
b1: making ash cakes and controlling elevation: slope releasing is carried out on the periphery of the top plate according to a drainage diagram of the top plate of the basement, a slope releasing control line is popped out, and then a 50 x 50 ash cake is made according to the elevation 12 hours before concrete pouring so as to control the height of the lightweight aggregate concrete; the distance between the ash cakes is 1.5m, and the ash cakes are made of C5 fine-stone concrete with the same label;
b2: concrete stirring, pouring and vibrating: the CL5.0 premixed lightweight aggregate concrete is adopted, pouring is carried out from one end from inside to outside, the concrete is continuously poured, the interval time is not more than 2 hours, if the interval time is too long, the concrete is poured in blocks, the joints are treated according to construction joints, the concrete at the joints is tamped and flattened, joints are not shown, and the concrete vibrating time is based on that no air bubbles emerge and the concrete does not sink;
b3: leveling the concrete surface: after the light aggregate concrete is laid, the light aggregate concrete is scraped by a long scraping bar, the vibration is dense, the light aggregate concrete is filled at the surface collapse position, the light aggregate concrete is scraped once by the long scraping bar, a wood trowel is used for smoothing, when the surface layer begins to be condensed and has foot prints but does not sink, iron is used for smearing for the second time of smearing, the pit sand holes and the foot prints of the surface layer are flattened, and the operation is carefully carried out during construction.
On the basis of the scheme: the construction of the overhead layer autoclaved gray brick wall body comprises the following steps:
c1: cleaning and repairing a base layer: before the building of the overhead layer autoclaved sand-lime brick masonry wall, the surface of a base layer is cleaned and watered to be wet, and cement mortar is used for timely repairing and leveling hollow depressions;
c2: paying off: placing a masonry wall sideline according to an overhead layer structure layout diagram, wherein the length and width of the masonry wall are 2.8m multiplied by 2.8m so as to ensure the section size of the foam material filling and laying;
c3: erecting a leather counting rod: firstly, a wall corner is coiled, the height of the wall corner should not exceed five bricks each time, the wall corner is coiled and hung straight along with the coiling, the surface elevation of a foundation mat is checked by a pull wire according to the bottom elevation of the lowest layer of bricks of a leather number rod, when the horizontal mortar joint of the first layer of bricks is more than 20mm, fine stone concrete is firstly used for leveling, fine stones are strictly forbidden to be doped in masonry mortar to replace or be leveled by mortar, the bricks are not allowed to be cut for leveling, the wall is hung after the leveling and the verticality meet the requirements, the brick wall is constructed by pulling through wires, the wall is hung and leaned along with the laying, the wall is ensured to be vertical and level, the wall cannot be repaired by pounding the bricks, a plurality of people use the same through wire, a plurality of branch wires are arranged in the middle, the small wires are tensioned, each layer of bricks are hung through wires, the horizontal mortar joints are uniform, straight and smooth, and the external hanging wires are adopted during the construction, so that the two;
c4: building brick walls: when laying bricks, the bricks need to be laid flat, the inner hand is high, the wall surface needs to be stretched, the inner hand is low, the wall surface needs to be backed, the heel line and the lower heel ridge need to be arranged on the left and right sides of the brick, the mortar joint thickness is preferably 8mm-12mm, the brick is full, flat, straight and smooth, the mortar joint is filled, and the mortar joint is extruded to prevent the head from being exposed or blind.
The better scheme in the scheme is as follows: the building structure comprises a basement reinforced concrete top plate, waterproof paint, waterproof coiled materials, plastic films, lightweight aggregate ceramsite concrete, a foaming filling material, an overhead layer concrete structure plate, a water filtering plate, geotextile and backfill soil.
As a further scheme of the invention: the construction method of the reinforced concrete top plate of the basement comprises the following steps: the method comprises the steps of cleaning up dust, floating sand and impurities on the surface of a base layer, keeping the base layer dry, avoiding accumulated water, shoveling or planing off local uneven and loose parts for refilling, repairing and leveling the low concave parts with polymer cement mortar, and brushing with the polymer cement mortar when the low concave parts are thin.
Meanwhile, the waterproof coating is a quick-setting asphalt waterproof coating sprayed to the thickness of 2 mm.
As a preferable aspect of the present invention: the waterproof roll is a polyvinyl chloride waterproof roll with the thickness of 1.2mm, can resist root puncture, and is paved by a polyethylene film serving as an isolation layer.
Meanwhile, the foam filling material is a hydrophobic light polyphenyl foam material and is used as a filler with light weight and high strength, the overhead layer concrete structural slab is poured by C30 commercial concrete, the thickness of the slab is 120mm, and backfill is planting soil.
As a more preferable scheme of the invention: the water filtering plate is a novel water draining material which is formed by adopting high-density polyethylene or polypropylene through heating, pressurizing and injection molding and integrates the functions of water draining and water storing, and the geotextile is a double-layer woven gauze.
The invention has the beneficial effects that:
1. the construction method for burying the super-thick landscape table ceramsite and polystyrene board is beneficial to the construction of large public building garden landscape engineering, large in backfill area and high in thickness. The load of the basement roof structure is subjected to smaller acting force, and the safety and reliability of the structure are guaranteed.
2. According to the construction method for burying the ceramsite and polystyrene board of the super-thick landscape table, the loss of conventional building materials is reduced in the construction of the overhead layer, and due to the adoption of the basement roof overhead structure, the interior of the structure is filled with the hydrophobic light polystyrene foam material. The use loss of concrete and earthwork materials is reduced, and the cost of building materials is greatly saved.
3. Compared with the traditional earthwork backfilling technology, the construction method for burying the ceramsite and the polyphenyl plate of the super-thick landscape table has the advantages that under the same backfilling condition, the direct manufacturing cost of the traditional earthwork backfilling technology comprises the following steps: the comprehensive structure system of the super-thick light landscape table is buried except reinforced concrete, and a large amount of backfill materials mainly comprise light polystyrene foam materials and autoclaved sand-lime brick masonry walls. The use of machinery and backfill soil can be greatly reduced, multi-level cross construction operation can be realized, the construction efficiency can be greatly improved, and the influence caused by construction in rainy season is also avoided. Not only reduces the cost and shortens the construction period, but also ensures the structural safety of the top plate of the basement. Therefore, the ultra-thick and light landscape table comprehensive structure system is more advantageous in comprehensive cost of landfill.
4. The construction method for burying the super-thick landscape table ceramsite and polystyrene board is safe and convenient to construct: adopt novel construction process, the sightseeing platform height of lifting by a wide margin guarantees structure safety when satisfying the design elevation requirement to saved the trouble of rainy season construction to soil moisture content control, and the load is little: the landfill material uses light building materials in a large number, reaches the lifting and sees the high while of scene platform, has alleviateed the bearing of basement roof structure, and is with low costs: the consumption of manpower, large-scale machinery and conventional building materials is reduced, and the construction efficiency is improved, so that the construction cost is reduced, and the energy-saving and environment-friendly effects are achieved: the construction method meets the requirement of green construction vigorously carried out by China, is energy-saving, green and environment-friendly, is a trend of building industry development, and saves the construction period: the construction surface is sufficient, the cross flow process is carried out, the restriction of the conventional earthwork backfilling construction mode in the rainy season is avoided, and the construction period is saved to a greater extent.
Drawings
FIG. 1 is a schematic structural diagram of a basic structure in a construction method for burying a porcelain granule polystyrene board of an ultra-thick landscape table according to the present invention;
in the figure: 1-basement reinforced concrete roof, 2-waterproof coating, 3-waterproof coiled material, 4-plastic film, 5-lightweight aggregate ceramsite concrete, 6-foaming filling material, 7-overhead layer concrete structural slab, 8-drainage board, 9-civil engineering cloth and 10-backfill soil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A construction method for burying a porcelain granule polystyrene board of an ultra-thick landscape table comprises the following steps:
s1: according to the basic constructional diagram, floor mortar doped with ceramsite is poured on the waterproof layer surface layer of the top plate of the basement;
s2: simultaneously, drain holes are pre-buried, and an overhead layer autoclaved ash brick wall is built at square intervals;
s3: continuously laying polystyrene boards in layers in the partition wall;
s4: then, pouring a concrete protective layer;
s5: and finally, laying a water filtering plate and backfilling earthwork.
After the building of the overhead layer autoclaved sand-lime brick masonry wall is finished, filling materials are selected to be filled in the wall body in a layered mode by adopting hydrophobic light polyphenyl foaming materials, and the material gravity is less than or equal to 0.2kN/m3After filling, the wall should be laid in parallel and level; the lightweight aggregate ceramsite concrete and the hydrophobic lightweight polystyrene board replace earthwork landfill, have large thickness and light weight, greatly reduce the structural load, greatly shorten the construction period and reduce the consumption of manpower and machines; the problem that the construction progress is influenced in the rainy period is solved, sufficient working surface flow operation is realized, and the construction efficiency is greatly improved; the survival rate of the vegetation in the garden landscape engineering and the comfort of the growing environment are greatly improved.
The terrace mortar poured on the waterproof layer cotton layer is CL5.0 premixed lightweight aggregate ceramsite concrete, and the preparation process of the CL5.0 premixed lightweight aggregate ceramsite concrete comprises the following steps:
a1: firstly, mixing cement and ceramsite according to the weight ratio of 1: 2, metering, wherein the metering allowable deviation of the aggregate is less than +/-3%, and the metering allowable deviation of the cement and the water is less than +/-2%;
a2: performing water tight treatment on the ceramsite in advance, and adjusting the water consumption of the mixing ratio according to the water content of the ceramsite sampled and measured before stirring;
a3: the feeding sequence of the self-falling stirrer is as follows: adding 1/2 water, adding ceramsite and ready-mixed lightweight aggregate concrete, stirring for about 1min, adding the rest water, and continuously stirring for not less than 2 min.
The pouring of the lightweight aggregate ceramsite concrete comprises the following steps:
b1: making ash cakes and controlling elevation: slope releasing is carried out on the periphery of the top plate according to a drainage diagram of the top plate of the basement, a slope releasing control line is popped out, and then a 50 x 50 ash cake is made according to the elevation 12 hours before concrete pouring so as to control the height of the lightweight aggregate concrete; the distance between the ash cakes is 1.5m, and the ash cakes are made of C5 fine-stone concrete with the same label;
b2: concrete stirring, pouring and vibrating: the CL5.0 premixed lightweight aggregate concrete is adopted, pouring is carried out from one end from inside to outside, the concrete is continuously poured, the interval time is not more than 2 hours, if the interval time is too long, the concrete is poured in blocks, the joints are treated according to construction joints, the concrete at the joints is tamped and flattened, joints are not shown, and the concrete vibrating time is based on that no air bubbles emerge and the concrete does not sink;
b3: leveling the concrete surface: after the light aggregate concrete is laid, the light aggregate concrete is scraped by a long scraping bar, the vibration is dense, the light aggregate concrete is filled at the surface collapse position, the light aggregate concrete is scraped once by the long scraping bar, a wood trowel is used for smoothing, when the surface layer begins to be condensed and has foot prints but does not sink, iron is used for smearing for the second time of smearing, the pit sand holes and the foot prints of the surface layer are flattened, and the operation is carefully carried out during construction.
The construction of the overhead layer autoclaved gray brick wall body comprises the following steps:
c1: cleaning and repairing a base layer: before the building of the overhead layer autoclaved sand-lime brick masonry wall, the surface of a base layer is cleaned and watered to be wet, and cement mortar is used for timely repairing and leveling hollow depressions;
c2: paying off: placing a masonry wall sideline according to an overhead layer structure layout diagram, wherein the length and width of the masonry wall are 2.8m multiplied by 2.8m so as to ensure the section size of the foam material filling and laying;
c3: erecting a leather counting rod: firstly, a wall corner is coiled, the height of the wall corner should not exceed five bricks each time, the wall corner is coiled and hung straight along with the coiling, the surface elevation of a foundation mat is checked by a pull wire according to the bottom elevation of the lowest layer of bricks of a leather number rod, when the horizontal mortar joint of the first layer of bricks is more than 20mm, fine stone concrete is firstly used for leveling, fine stones are strictly forbidden to be doped in masonry mortar to replace or be leveled by mortar, the bricks are not allowed to be cut for leveling, the wall is hung after the leveling and the verticality meet the requirements, the brick wall is constructed by pulling through wires, the wall is hung and leaned along with the laying, the wall is ensured to be vertical and level, the wall cannot be repaired by pounding the bricks, a plurality of people use the same through wire, a plurality of branch wires are arranged in the middle, the small wires are tensioned, each layer of bricks are hung through wires, the horizontal mortar joints are uniform, straight and smooth, and the external hanging wires are adopted during the construction, so that the two;
c4: building brick walls: when laying bricks, the bricks need to be laid flat, the inner hand is high, the wall surface needs to be stretched, the inner hand is low, the wall surface needs to be backed, the heel line and the lower heel ridge need to be arranged on the left and right sides of the brick, the mortar joint thickness is preferably 8mm-12mm, the brick is full, flat, straight and smooth, the mortar joint is filled, and the mortar joint is extruded to prevent the head from being exposed or blind.
The laying of the water filtering plate comprises the following steps: before laying the water filtering plate, sundries on the surface of the concrete of the overhead layer are cleaned, and cement mortar is adopted to repair the hollow parts in time, so that the surface has no obvious concave-convex parts. No drainage blind ditch is additionally arranged in the laying range; the drainage gradient of the base layer meets 2-5 thousandths, the water filter plates are orderly discharged, cup-shaped openings of the water filter plates are paved upwards, and the tooth holes are buckled with each other; the gap during laying is used as a lower drainage channel, and the geotextile filtering and moisturizing layer on the gap is also well overlapped during laying.
The earthwork backfilling comprises the following steps:
d1: cleaning the foundation pit bottom terrace: before filling soil, the holes on the foundation soil or the tree roots, garbage and other sundries on the surface of the foundation soil are completely treated and removed.
D2, testing soil quality: checking the type, the particle size, the existence of impurities and whether the backfilling paint meets the standard or not, and checking whether the water content of the soil material is within a control range or not; if the water content is higher, measures such as loosening, airing or uniformly adding dry soil can be adopted; if the water content of the filler is low, measures such as pre-watering and wetting can be adopted.
D3: layering and paving soil: the filling should be layered. The thickness of each layer of paving soil is determined according to the soil quality, the compactness requirement and the performance of machines and tools.
D4: layering, rolling and compacting: during rolling, the running speed of the vehicle should be controlled, and the following regulations should not be generally exceeded: flat grinding: 2km/h, sheep foot grinding: 3km/h, vibration milling: 2 km/h. The grinding wheel tracks are mutually overlapped to prevent pressure leakage or ramming leakage. When the length is larger, the filling is carried out in sections. The seam of each layer should be made into a slope shape, and the traces are overlapped. The overlap is about 0.5-1.0 m, and the distance between the upper and lower staggered seams is not less than 1 m.
When the filling exceeds the surface of the substrate, the quality of the compaction of the edge portion should be ensured. After filling, if the slope trimming is not required, the edge width of the filling is preferably filled by 0.5 m; if the slope is required to be flattened and compacted, the wide filling can be 0.2 m. Filling positions where the mechanical construction cannot be rolled are matched with manual bulldozing and filling, and a frog-type or diesel ramming machine is used for ramming and compacting in layers.
The construction method for burying the super-thick landscape table ceramsite and polystyrene board further comprises a basic framework, wherein the basic framework comprises a basement reinforced concrete top plate 1, waterproof paint 2, a waterproof coiled material 3, a plastic film 4, light aggregate ceramsite concrete 5, a foaming filling material 6, an overhead layer concrete structure plate 7, a water filtering plate 8, geotextile 9 and backfill soil 10.
The construction steps of the basement reinforced concrete top plate 1 are as follows: the method comprises the steps of cleaning up dust, floating sand and impurities on the surface of a base layer, keeping the base layer dry, avoiding accumulated water, shoveling or planing off local uneven and loose parts for refilling, repairing and leveling the low concave parts with polymer cement mortar, and brushing with the polymer cement mortar when the low concave parts are thin.
The waterproof coating 2 is a quick-setting asphalt waterproof coating sprayed to the thickness of 2mm, and is used for realizing seamless connection between the coating and the substrate and firmly attaching the coating to the top plate substrate, so that the characteristics of no water channeling and no peeling which are difficult to realize by the coiled material are achieved.
The foam filling material 6 is a hydrophobic light polyphenyl foam material and is used as a filler with light weight and high strength, the overhead layer concrete structural slab 7 is poured by C30 commercial concrete, the slab thickness is 120mm, and the backfill soil 10 is planting soil.
Drainage that the drainage board 8 was formed with adopting high density polyethylene or polypropylene to mould plastics through the heating pressurization, retaining function in novel drainage material of an organic whole, possessed the retaining simultaneously, the drainage, it is ventilative, it is thermal-insulated to keep warm, hinder a thorn and prevent that plant roots from destroying multiple functions such as concrete structure, combine geotechnological cloth and use together, can avoid fine particle matrix to block up catch basin and drainage channel, keep the unobstructed and circulation of air of drainage, form one complete, it is novel to hold, drainage system, and geotechnological cloth 9 is the double-deck gauze of spinning, prevent that backfill soil muddy water from passing geotechnological cloth, stifled drainage system silts, cause the drainage not smooth, the drainage reduces, certain tensile effect has, prevent that the earthwork from causing the destruction to the drainage board when backfilling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A construction method for burying a porcelain granule polystyrene board of an ultra-thick landscape table is characterized by comprising the following steps:
s1: according to the basic constructional diagram, floor mortar doped with ceramsite is poured on the waterproof layer surface layer of the top plate of the basement;
s2: simultaneously, drain holes are pre-buried, and an overhead layer autoclaved ash brick wall is built at square intervals;
s3: continuously laying polystyrene boards in layers in the partition wall;
s4: then, pouring a concrete protective layer;
s5: and finally, laying a water filtering plate and backfilling earthwork.
2. The construction method of claim 1, wherein in S1, the terrace mortar poured on the waterproof layer cotton layer is CL5.0 ready-mixed lightweight aggregate ceramsite concrete, and the preparation process of the CL5.0 ready-mixed lightweight aggregate ceramsite concrete comprises the following steps:
a1: firstly, measuring cement and ceramsite according to the weight ratio of 1: 2, wherein the measurement allowable deviation of aggregate is less than +/-3%, and the measurement allowable deviation of cement and water is less than +/-2%;
a2: performing water tight treatment on the ceramsite in advance, and adjusting the water consumption of the mixing ratio according to the water content of the ceramsite sampled and measured before stirring;
a3: the feeding sequence of the self-falling stirrer is as follows: adding 1/2 water, adding ceramsite and ready-mixed lightweight aggregate concrete, stirring for about 1min, adding the rest water, and continuously stirring for not less than 2 min.
3. The construction method for burying the ceramsite and the polystyrene board of the super-thick landscape table according to claim 2, wherein the pouring of the lightweight aggregate ceramsite concrete comprises the following steps:
b1: making ash cakes and controlling elevation: slope releasing is carried out on the periphery of the top plate according to a drainage diagram of the top plate of the basement, a slope releasing control line is popped out, and then a 50 x 50 ash cake is made according to the elevation 12 hours before concrete pouring so as to control the height of the lightweight aggregate concrete; the distance between the ash cakes is 1.5m, and the ash cakes are made of C5 fine-stone concrete with the same label;
b2: concrete stirring, pouring and vibrating: the CL5.0 premixed lightweight aggregate concrete is adopted, pouring is carried out from one end from inside to outside, the concrete is continuously poured, the interval time is not more than 2 hours, if the interval time is too long, the concrete is poured in blocks, the joints are treated according to construction joints, the concrete at the joints is tamped and flattened, joints are not shown, and the concrete vibrating time is based on that no air bubbles emerge and the concrete does not sink;
b3: leveling the concrete surface: after the light aggregate concrete is laid, the light aggregate concrete is scraped by a long scraping bar, the vibration is dense, the light aggregate concrete is filled at the surface collapse position, the light aggregate concrete is scraped once by the long scraping bar, a wood trowel is used for smoothing, when the surface layer begins to be condensed and has foot prints but does not sink, iron is used for smearing for the second time of smearing, the pit sand holes and the foot prints of the surface layer are flattened, and the operation is carefully carried out during construction.
4. The construction method for burying the ceramic particle polyphenyl board of the super-thick landscape table according to claim 1, wherein the building of the overhead layer autoclaved gray brick wall body comprises the following steps:
c1: cleaning and repairing a base layer: before the building of the overhead layer autoclaved sand-lime brick masonry wall, the surface of a base layer is cleaned and watered to be wet, and cement mortar is used for timely repairing and leveling hollow depressions;
c2: paying off: placing a masonry wall sideline according to an overhead layer structure layout diagram, wherein the length and width of the masonry wall are 2.8m multiplied by 2.8m so as to ensure the section size of the foam material filling and laying;
c3: erecting a leather counting rod: firstly, a wall corner is coiled, the height of the wall corner should not exceed five bricks each time, the wall corner is coiled and hung straight along with the coiling, the surface elevation of a foundation mat is checked by a pull wire according to the bottom elevation of the lowest layer of bricks of a leather number rod, when the horizontal mortar joint of the first layer of bricks is more than 20mm, fine stone concrete is firstly used for leveling, fine stones are strictly forbidden to be doped in masonry mortar to replace or be leveled by mortar, the bricks are not allowed to be cut for leveling, the wall is hung after the leveling and the verticality meet the requirements, the brick wall is constructed by pulling through wires, the wall is hung and leaned along with the laying, the wall is ensured to be vertical and level, the wall cannot be repaired by pounding the bricks, a plurality of people use the same through wire, a plurality of branch wires are arranged in the middle, the small wires are tensioned, each layer of bricks are hung through wires, the horizontal mortar joints are uniform, straight and smooth, and the external hanging wires are adopted during the construction, so that the two;
c4: building brick walls: when laying bricks, the bricks need to be laid flat, the inner hand is high, the wall surface needs to be stretched, the inner hand is low, the wall surface needs to be backed, the heel line and the lower heel ridge need to be arranged on the left and right sides of the brick, the mortar joint thickness is preferably 8mm-12mm, the brick is full, flat, straight and smooth, the mortar joint is filled, and the mortar joint is extruded to prevent the head from being exposed or blind.
5. The construction method for burying the ceramsite and polystyrene board for the super-thick landscape table according to any one of claims 1 to 4, further comprising a basic framework, wherein the basic framework comprises a basement reinforced concrete top board (1), a waterproof coating (2), a waterproof coiled material (3), a plastic film (4), lightweight aggregate ceramsite concrete (5), a foaming filling material (6), an overhead layer concrete structural board (7), a drainage board (8), geotextile (9) and backfill soil (10).
6. The construction method for burying the porcelain granule polystyrene board of the super-thick landscape table according to claim 5, wherein the construction step of the reinforced concrete top board (1) of the basement is as follows: the method comprises the steps of cleaning up dust, floating sand and impurities on the surface of a base layer, keeping the base layer dry, avoiding accumulated water, shoveling or planing off local uneven and loose parts for refilling, repairing and leveling the low concave parts with polymer cement mortar, and brushing with the polymer cement mortar when the low concave parts are thin.
7. The construction method for burying the porcelain granule polyphenyl board of the super-thick landscape table according to claim 5, wherein the waterproof coating (2) is a quick-setting asphalt waterproof coating with a thickness of 2 mm.
8. The construction method for burying the ceramsite and polystyrene board for the super-thick scenic table according to claim 5, wherein the waterproof roll (3) is a polyvinyl chloride waterproof roll with a thickness of 1.2mm and is resistant to root penetration, and the plastic film (4) is a polyethylene film laid as an isolation layer.
9. The construction method for burying the ceramic particle polyphenyl board with the super thick scenic table according to the claim 5, characterized in that the foaming filling material (6) is hydrophobic light polystyrene foaming material as the filler with light weight and high strength, the overhead layer concrete structural board (7) is poured by C30 commercial concrete, the board thickness is 120mm, and the backfill soil (10) is planting soil.
10. The construction method for burying the porcelain granule polyphenyl board of the super-thick landscape table according to claim 5, wherein the water filtering board (8) is a novel water draining material which integrates water draining and storing functions and is formed by heating, pressurizing and injection molding high-density polyethylene or polypropylene, and the geotextile (9) is a double-layer woven gauze.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113404063A (en) * | 2021-07-07 | 2021-09-17 | 中铁一局集团厦门建设工程有限公司 | Basement roof backfilling structure and construction process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404063A (en) * | 2021-07-07 | 2021-09-17 | 中铁一局集团厦门建设工程有限公司 | Basement roof backfilling structure and construction process |
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