CN108979133A - A kind of close rib building roof mold and application method - Google Patents
A kind of close rib building roof mold and application method Download PDFInfo
- Publication number
- CN108979133A CN108979133A CN201811160732.1A CN201811160732A CN108979133A CN 108979133 A CN108979133 A CN 108979133A CN 201811160732 A CN201811160732 A CN 201811160732A CN 108979133 A CN108979133 A CN 108979133A
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- mold
- shaper
- fixing bolt
- mould
- building roof
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000007493 shaping process Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 38
- 238000013461 design Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
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- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of close rib building roof mold and application methods, including shaper and fixed frame, shaper includes bottom plate and is arranged in the side wall that bottom edge stretches out to the same side and surrounds with bottom plate box-shaped, the angle of side wall and back plate connections is obtuse angle, the edge of side wall extends to form rectangular profile outward in plane parallel to the base plate, is equipped with through-hole in the middle part of bottom plate；Fixed frame includes fixing bolt, fixed link and limiting card, and fixing bolt size is matched with through-hole, and the end of thread passes through the through-hole and protrudes into inside box-shaped, passes through washer sealing between fixing bolt head and through-hole；One end of fixed link is adjustably arranged in limiting card height, and the other end of fixed link is connected and fixed by setting internal screw thread with the fixing bolt end of thread.The present invention can effectively prevent shaping mould to cause concrete to pour in mould inside because being displaced, and can more easily remove shaper, and dense-rib floor shaping quality is high, and mold and rib damage are small, can shorten the construction period.
Description
Technical field
The invention belongs to construction engineering technical fields, and in particular to a kind of close rib building roof mold and application method.
Background technique
In the prior art, it is paid more and more attention by the close rib building roof system that thin superstructure and two-way girt strip form, the superstructure
Architecture layers thickness is smaller, readily satisfies the high Clearance Requirement of floor, biggish use space is formed, especially suitable for vehicle
It stands, terminal, library, the building such as exhibition center.Concreting is saved a large amount of timber, is constructed using recyclable mold construction
Simplicity, concrete formation effect are preferable, it is entirely avoided anti-floating orientation problem and board bottom concrete existing for hollow floor be not close
Real common quality defect, and convenience is provided for plaster leveling is surface-veneer engineered.Using the cast-in-place concrete close rib building roof that can have enough to meet the need mold
Construction technology has much dynamogenetic value, however, can also encounter many problems in construction.The concreting process of the system
In, the powerful side impacting force of the unbearable concrete of part mould, mold built on the sand, displacement the phenomenon that occasionally have generation.Coagulation
Soil even can pour in mould inside, cause waste of material, aggravate the burden of shuttering supporting, bring security-hidden trouble, larger journey
Degree ground influences construction speed, weakens the advantages of waffle beam floor system is brought, limits technology and further develop.
Summary of the invention
For the deficiency in the presence of the prior art, the present invention provides one kind, and shaping mould can be effectively prevent because occurring
Displacement causes concrete to pour in mould inside, can more easily remove shaper, dense-rib floor shaping quality height, stock mould
Tool and rib damage close rib building roof mold and application method small, that shorten the construction period.
A kind of close rib building roof mold, including shaper and fixed frame, the shaper include that bottom plate and setting exist
Bottom edge stretches out to the same side and surrounds with the bottom plate side wall of box-shaped, and the angle of the side wall and back plate connections is blunt
The edge at angle, the side wall extends to form the extension with rectangular profile outward in the plane parallel with the bottom plate,
Through-hole is equipped in the middle part of the bottom plate；The fixed frame includes fixing bolt, fixed link and limiting card, the fixing bolt size with
The through-hole matching, the end of thread passes through the through-hole and protrudes into inside the box-shaped, between the fixing bolt head and through-hole
Pass through washer sealing；One end of the fixed link is adjustably arranged in the limiting card height, and the other end of the fixed link is logical
Setting internal screw thread is crossed to be connected and fixed with the fixing bolt end of thread.
Further, the limiting card includes connecting rod and the stabilizer blade that described connecting rod one end is arranged in, the connecting rod
The other end connect with the fixed link by screw thread.
A kind of close rib building roof mold application method further includes being used for including any close rib building roof mold described above
The mould rack of primary and secondary skeletal frame and the close rib building roof mold is supported, the mould rack includes the jacking silk that top is arranged in
Bar；Specifically comprise the following steps:
Installation steps: after putting up mould rack, shaper is placed according to die location line, by mould rack
The height of the adjusting nut adjustment shaper of jacking screw rod is horizontal to control shaper holding；In horizontal positioned shaper
Later, the fixed frame is mounted on shaping mould by fixing bolt, adjusts the height of the limiting card and by limiting card
It is fixed on the corresponding position of mould rack, completes installation；
Demounting procedure: when removing to mold, first loosening the adjusting nut of the jacking screw rod, by primary and secondary skeletal frame according to
It is secondary to remove, then removed piece plate with small crowbar, gently agitating die edge later makes its loosening, finally catches the fixed frame
Shaper is pulled away to molded concrete structure, completes disassembly.
Compared with the prior art, the invention has the following beneficial effects:
Support the bottom plate of shaping mould upwards by the way that height-adjustable fixed structure is arranged on shaping mould, on the one hand
Shaping mould can be effectively prevent, because external force is displaced, effectively concrete to be avoided to pour in mould inside in construction, at
Close rib building roof size after type is accurate, and Forming Quality is high；On the other hand, when removing shaping mould, the setting can be passed through
Fixed link on mold applies pulling force to shaping mould, can more easily remove shaper, be effectively reduced shaping mould and
The damage of rib, accelerates construction progress, and shortens the construction period.
Detailed description of the invention
Fig. 1 is inventive die structural schematic diagram；
Fig. 2 is the schematic diagram of inventive die mounting structure；
Wherein, 1 shaper, 11 bottom plates, 12 side walls, 13 extensions, 14 through-holes, 2 fixed frames, 21 fixing bolts, 22 is solid
Fixed pole, 23 limiting cards, 24 washers, 25 connecting rods, 26 stabilizer blades, 3 mould racks, 31 jacking screw rods, 32 adjusting nuts, 4 main joists,
5 secondary joists, 6 piece plates.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness for realizing invention are easy to understand, below with reference to
It is specifically illustrating, the present invention is further explained.
As shown in Figure 1, a kind of close rib building roof mold, including shaper 1 and fixed frame 2, the shaper 1 include bottom
Plate 11 and the side wall 12 that 11 edge of bottom plate stretches out to the same side and surrounds with the bottom plate 11 box-shaped is set, the side wall 12
Angle with 11 junction of bottom plate is obtuse angle, and the edge of the side wall 12 prolongs outward in the plane parallel with the bottom plate 11
It stretches to form the extension 13 with rectangular profile, through-hole 14 is equipped in the middle part of the bottom plate 11；The fixed frame 2 includes fixing bolt
21, fixed link 22 and limiting card 23,21 size of fixing bolt are matched with the through-hole 14, and the end of thread passes through the through-hole
14 protrude into inside the box-shaped, are sealed between 21 head of fixing bolt and through-hole 14 by washer 24；The limiting card 23
Height is adjustably arranged in one end of the fixed link 22, the other end of the fixed link 22 by setting internal screw thread with it is described solid
Determine 21 end of thread of bolt to be connected and fixed.The limiting card 23 with mould rack 3 for being connected and fixed, to prevent shaping mould
Offset.
Shaper in the present invention, the shape of bottom plate can there are many, such as rectangle, circle or other polygons
Deng the shape of side wall is corresponding with bottom plate.One end that side wall is connect with bottom plate compared with the other end be it is small, side wall and back plate connections
Angle is that obtuse angle can guarantee smoothly take out mold when removing mold to reuse.Bottom plate and side wall can be integrated
Molding, junction can seamlessly transit for fillet or arc.The profile at the edge of the side wall is that rectangle is (preferably square
Shape), it can be convenient shaping mould and spread out one by one around to form close rib.The length and width of the shaping mould is not with
It is advisable greater than 1.5m, long 1.5m × wide 1.5m × high 0.3m specifically may be selected, plastics may be selected in material.Washer on the through-hole
Enter for sealing the gap between fixing bolt and through-hole, when preventing concreting and aggravates template branch inside mold box-shaped
The burden of support, brings security-hidden trouble.When uniform force and later period when being supported in view of fixed link remove mold
More convenient, the position of the through-hole is advisable with being arranged in the middle part of the bottom plate, and the aperture of through-hole should be with the fixing bolt specification
Match.The height of the limiting card is adjustable, can by the way that height-adjustable connection type is arranged between limiting card and fixed link,
For example the threaded connection of height is adjusted by rotation, it can also be by the way that height-adjustable company be arranged between limiting card and mould rack
Mode is connect, such as by the way that rotatable stabilizer blade is arranged in connecting rod one end and by being a certain included angle support admittedly with mould rack
It is fixed.
The present invention supports the bottom plate of shaping mould by the way that height-adjustable fixed structure is arranged on shaping mould upwards,
On the one hand shaping mould can be effectively prevent, because external force is displaced, effectively concrete to be avoided to pour in mold in construction
Portion, close rib building roof size after molding is accurate, and Forming Quality is high；It on the other hand, can be by described when removing shaping mould
Fixed link on shaping mould applies pulling force to shaping mould, can more easily remove shaping mould, setting mould is effectively reduced
The damage of tool and rib, accelerates construction progress, and shortens the construction period.
Further, the limiting card 23 includes connecting rod 25 and the stabilizer blade 26 that described 25 one end of connecting rod is arranged in, institute
The other end for stating connecting rod 25 is connect by screw thread with the fixed link 22.The limiting card adjusts height by screw thread, with
It can be more stably mounted on the mould rack.The stabilizer blade can be extended radially outwardly by multiple along the connecting rod
Part forms, can also be disc-shaped.The stabilizer blade can be integrally formed with connecting rod, be also possible to dismountable structure.
Further, the limiting card 23 includes connecting rod 25 and multiple to be evenly distributed on described 25 one end of connecting rod circumferential
On stabilizer blade 26, described 26 one end of stabilizer blade and the connecting rod 25 are hinged, and the other end is hinged with fixinig plate, among the fixinig plate
Equipped with for the mounting hole fixed by bolt and mould rack 3.The fixinig plate can pass through the mounting hole by bolt
It is fixed on mould rack.The limiting card can adjust height by rotation stabilizer blade, at the top of stabilizer blade and mould rack
After angle determines, rotation fixinig plate is fitted in mould rack upper surface to horizontal position, is later fixed stabilizer blade by bolt
On the mould rack.
As shown in Fig. 2, a kind of close rib building roof mold application method, including any close rib building roof mold above-mentioned, also wrap
The mould rack 3 for being used to support main joist 4 and secondary joist 5 and the close rib building roof mold is included, the mould rack 3 includes setting
Set the jacking screw rod 31 at top；Specifically comprise the following steps:
Installation steps: after putting up mould rack 3, shaper 1 is placed according to die location line, passes through mould rack
It is horizontal to control 1 holding of shaper to adjust the height of shaper 1 for the adjusting nut 32 of jacking screw rod 31 on 3；
After horizontal positioned shaper 1, the fixed frame 2 is mounted on shaping mould by fixing bolt 21,
It adjusts the height of the limiting card 23 and is fixed on limiting card 23 on the corresponding position of mould rack 3, complete installation；
Demounting procedure: when removing to mold, the adjusting nut 32 of the jacking screw rod 31 is first loosened, by main joist
4 and secondary joist 5 successively remove, then piece plate 6 is removed with small crowbar, gently agitating die edge later makes its loosening, finally
It catches the fixed frame 2 that shaper 1 is pulled away to molded concrete structure, completes disassembly.
This application method includes the installation and removal method of close rib building roof mold, it is mentioned that build mould rack, mould
The tool position line, primary and secondary skeletal frame, piece plate etc. belong to the prior art, can be hereinafter illustrated by specific embodiment,
It will not go into details in this method.During installation, corresponding mounting structure can be first arranged in this method on mould rack, to facilitate and limit
Position card connection；This method is in disassembly, if, without the good point of application after die edge loosening, torn open without fixed frame
It unloads relatively elaborate, is also easy to cause mold or damages of concrete structures, after having fixed frame, disassembly becomes more to be easy, and saves
It makes an appointment and energy can significantly shorten the construction period when shaping mould that need to be dismantled is more.
Embodiment:
The construction method that close rib building roof is built by this close rib building roof mold, can be used existing method stream in the prior art
Journey, it may include preparation of construction, the designing and producing and process of shaper determine mold plane arrangement and design support system, mould
Tool surveying setting-out, set up mould rack system, mold installation, beam reinforced steel bar binding, be laid with preheating embedding line, erection construction sidewalk,
Set up concrete delivery pipe, concreting and maintenance, mold are removed, in order to absolutely prove the present invention in close rib building roof
Application in construction is now enumerated a kind of specific method flow and is described as follows:
One, preparation of construction
1) technological document prepares
(1) it should get out corresponding design drawing before constructing, and special construction plan is worked out according to design drawing, special project is applied
The measures such as targeted safety, quality, duration should be formulated in work scheme.
(2) before construction operation to all operating personnels carry out safely, confide a technological secret.Emergency preplan should be worked out simultaneously, and
It is drilled according to emergency preplan.
2) preparation of material equipment
(1) it determines and prepares to prepare reinforcing bar, steel pipe, mold, flitch, bamboo slab rubber, ink fountain etc.；
(2) it determines and prepares concrete tank, loading machine, immersion vibrator, numerical-control bending machine, bar cropper, steel
Muscle straightener, generating set etc..
3) Farm Planning
(1) construction site road does hardening or is laid with steel plate processing, to meet construction road foundation bearing force request.
(2) maintenance water, power supply for construction etc. are answered ready before construction, and are equipped with necessary emergency electric supply unit.
4) personnel arrangement prepares
(1) personnel's setting of sound project under construction organization is established, to be able to achieve work required by project under construction
Task is that principle carries out personnel assignment, makes every effort to one hilllock of a people.
(2) construction personnel should have corresponding vocational technology ability and credentials, pre-job to carry out necessary occupation
Safety, technical capability and operative skill training can be on duty after training is qualified, and special work post should have corresponding qualification to demonstrate,prove
Book.
Two, shaper designing and producing and processes
1) it is directed to Structural Design scheme, chooses the long 1.5m of size × wide 1.5m × high 0.3m plastic shape-forming mold.
Mold is made by factory's batch machining, and mechanization degree is high, and accurate size, the mold after shaping must do bearing capacity survey
Examination, as shown in Figure 1, each mold can bear 800~1000kg or more weight.
2) pore that diameter 30mm (corresponding M30 bolt) size is uniformly drilled out at the center of Die Box bottom, such as Fig. 1 institute
Show.
3) a kind of fixed bracket is designed, auxiliary mould installs fixed operation, and provides convenience for demoulding.Fixed bracket one end
For long straight solid steel pole, tapping process is carried out to the part, forms the thread groove of corresponding M30 Bolt sizes.The bracket other end
Then be designed as the mode of limiting card, can be adjusted by screw thread it is flexible, as shown in Figure 1.
Three, mold plane arrangement and design support system are determined
(1) horizontal layout of mold is determined according to drawing, in length and breadth the specification, quantity of primary and secondary skeletal frame and arrangement size；Simultaneously
The combination for determining mold will replace inadequate modulus or the place that cannot install mold using plank sheathing.
(2) design drawing for drawing a full set of mould template and support system is flat including mold plane arrangement total figure, segmentation
Face figure, the assembling figure of bracket, node drawing, part manuscript.Check intensity, rigidity and the stability of mold and bracket.
(3) if mold side length differs, main joist (steel pipe) is set by short side direction, secondary joist is set by longitudinal direction；Root
According to the gap size between mold root edge, set shaped steel formwork matched with mold or other materials is can also be used in piece flitch, longitudinal
Flitch filler strip and piece bamboo slab rubber disconnect and being arranged along the elongated setting in secondary joist direction, lateral flitch filler strip and piece bamboo slab rubber.Mould
It is as shown in Figure 2 to have node.
Four, mold surveying setting-out
1) sideline that release mold under rib before flitch on main joist is installed, i.e., accurately releases the position line of close rib,
So that flitch (i.e. close rib) axial location is accurate under rib.
2) rib axis and die location line are played on beam bottom board, should discharge mold from centre to both ends in a column grid,
It never discharges from one end to the other end, in order to avoid generating accumulated error, the phenomenon that two end ribs do not wait occurs.
Five, mould rack system is set up
Set up the falsework of Vierendeel girder and multi-ribbed plate.First installation frame boom support is answered, then multi-ribbed plate bracket is installed.Branch
Upright bar, stull and the diagonal brace spacing of frame system must satisfy the requirement of construction loads and Design of Construction Organization, ensure construction safety.
Logical line is drawn when main joist is installed, spacing is accurate, smooth vertical and horizontal.
Six, mold is installed
1) before mold installation, worker should be arranged to clean up plate face, it is ensured that the close contact of mold and template face, and root
Start to place mold according to the die location line put well.
2) after placing mold, level first is observed with eye, then detected with level, if error is larger, finely tunes jacking screw rod, make
Horizontal error between mold is less than 2mm.(support frame absolute altitude should be determined that during surveying setting-out, should be herein
It checks, after having error, fine-tuning screw is adjusted.)
3) arch camber is carried out by design requirement, if when without design requirement, springing height is the 1/1000~3/ of full span length's degree
1000。
4) after determining die location, by the pore reserved on mold, the M30 bolt with gasket is penetrated into mold, and
It is docked with the fixation bracket through tapping process.The support bracket fastened other end is connect by limiting card with the flitch of bottom bracket system
It is fixed, to guarantee that mold splicing is accurate and subsequent construction is not in displacement in the process.
5) it checks confirmation previous step process, carries out die gap splicing, first pacify longitudinal ladle headblock item and longitudinal piece bamboo
Offset plate, then lateral ladle headblock item and lateral piece bamboo slab rubber are installed.
6) mold installation gap uses rubber belt sealing, and blocks gas vent, with mortar leakage prevention.It is brushed after mold installation water-soluble
Property release agent.
7) mould template is checked item by item by template subdivisional work performance rating standard, and emphasis checks mold stiffness by itself
The tightness of safeguard measure and connecting node.
Seven, beam reinforced steel bar is bound
1) arranged direction of bottom muscle is made in order according to design requirement when reinforcing bar is bound, determines the positional relationship of beam main tendon.
2) when binding girt strip reinforcing bar, to guarantee girt strip sectional dimension, in advance with 10 reinforcing bar of Φ according to net scale in girt strip section
It is very little to weld groined type support split heads, it is longitudinal every 2m setting along girt strip；Vierendeel girder, floor reinforcing bar binding routinely operate into
Row.
3) bind after, bracing wire inspection simultaneously adjust girt strip position, keep it is straight, pays attention to guarantee area's panel periphery with
Floor plan is the size of solid section around column.
4) it is noted that the same layer of girt strip reinforcing bar and plate face reinforcing bar is in the same direction in process of binding, reduction reinforcing bar overlapping is to reduce height
Degree guarantees the protective layer thickness of plate face reinforcing bar.
Eight, it is laid with preheating embedding line
1) spool of water power, magazine etc. are all mounted in girt strip as far as possible, and with girt strip reinforcing bar binding and fixing.
2) cutting machine can be used in the top surface upper opening of mold when magazine is installed, and in time cleans out cutting fragment, sternly
Taboo directly chisels on top surface.
3) floor sleeves such as extinguishing pipe, rain pipe and distribution pipe well be embedded in beam, column side the solid adjustment area of floor in.
4) after girt strip, plate face reinforcement installation, water power spool should be connected in girt strip in time and is connected with pre-buried good magazine
It connects.
Nine, erection construction sidewalk, erection concrete delivery pipe
1) mold body has certain intensity, but frequently tramples and also be easy to cause damage, sets up in construction using scaffold board
Aerial builder's road facilitates construction personnel's operation, passes through, and protects mold and floor bar finished product.
2) concrete delivery pump pipe does not answer direct frame on floor bar, can set up short tube shelf or chock side etc. for pump line
Frame is high, and the riding positions such as boom answer schedule ahead good, and boom application scaffold board and support frame support must not directly bear against mould
On tool.
3) construction equipment etc. must not be placed on mold, and construction personnel must not trample mold.
Ten, concreting and maintenance
1) after the completion of the processes such as reinforcing bar is bound, mold is installed, tissue related personnel carries out three inspections and inspects for acceptance with hidden, heavy
Point reinforces that anti-lateral displacement is arranged, the inspection of mortar leakage prevention setting, after acceptance(check), into concreting process.
2) pump line of delivering concrete should be set up from Vierendeel girder as far as possible, such as really need to be set up pump line from die top, be answered
Concrete pump pipe underlay in vertically and horizontally girt strip intersection puts elastic buffering pad (such as waste and old car cover tire) and extenuates pump line to mould
The impact force of tool.
3) forbid directly pressing construction equipment on mold in concreting process.Coagulation is transported according to tower crane
Soil, suspension bucket discharge outlet should be laid with template and extenuate concrete impact force, and concrete cannot direct Impact mould.Using pumped concrete
When native, the whereabouts height difference of pump line discharge port should be reduced as far as possible, and setting point should also be laid with template and extenuate impulse force.
4) when casting concrete, column cap and Vierendeel girder are first poured, then pour girt strip and floorslab concrete, girt strip and floor
Concreting needs to carry out in the same direction simultaneously.
5) to guarantee that it is closely knit that superstructure concrete pours, slump preferably takes 15~18cm, and coarse aggregate size must not
Greater than 31.5 ㎜.
6) it pours the small-sized insertion vibrator (diameter 3.5cm) of appropriate to the occasion use to vibrate, vibrator must not directly be pressed mold
It vibrates on surface.If cooperation is vibrated using plate vibrator, small-power vibrator should be used.
7) concrete is poured, and worker should be arranged to be compacted surface layer one time after initial set, timely water seasoning after final set.
Note: summer uses water seasoning, and winter can be covered with plastic cloth and straw screen or mat (thickness is determined by thermodynamic metering)
Insulated curing.
11, mold is removed
After concrete strength reaches design requirement and is not less than 10Mpa, mold can be removed.Method for dismounting is:
1) adjusting nut (jacking fall to 10~15cm) for loosening support jacking, first falls primary and secondary skeletal frame, then by secondary dragon
Bone removes.
2) the ladle headblock item and bamboo slab rubber of mold piece are removed with the small crowfoot of 1 diameter 14mm, long 500mm.
3) it is agitated with small crowfoot in die edge, after mold loosens, prizes the internal-rib of mold footing, light sled downwards falls mold.
Never firmly sled or pounded firmly with iron hammer, can not use big crowbar be agitated using girt strip concrete as fulcrum, with protect mold with
Close rib concrete.Mold is pulled away to formed concrete structure finally by fixed bracket.
4) mold can be used in turn, and demoulding can not overexert, and not throw out random sled without care, be handled with care, prevent from damaging.
The foregoing is merely the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, all technical solutions for belonging to the principle of the invention all belong to the scope of protection of the present invention.For those skilled in the art and
Speech, several improvement carried out without departing from the principles of the present invention, these improvement also should be regarded as protection model of the invention
It encloses.
Claims (3)
1. a kind of close rib building roof mold, it is characterised in that: including shaper and fixed frame, the shaper include bottom plate with
And the side wall that bottom edge stretches out to the same side and surrounds with the bottom plate box-shaped is set, the side wall and back plate connections
Angle is obtuse angle, and the edge of the side wall is extended to form outward in the plane parallel with the bottom plate with rectangular profile
Extension, the bottom plate middle part are equipped with through-hole；The fixed frame includes fixing bolt, fixed link and limiting card, the fixed spiral shell
Bolt size is matched with the through-hole, the end of thread pass through the through-hole protrude into inside the box-shaped, the fixing bolt head with
Pass through washer sealing between through-hole；One end of the fixed link is adjustably arranged in the limiting card height, the fixed link
The other end is connected and fixed by setting internal screw thread with the fixing bolt end of thread.
2. a kind of close rib building roof mold according to claim 1, it is characterised in that: the limiting card includes connecting rod and sets
The stabilizer blade in described connecting rod one end is set, the other end of the connecting rod is connect by screw thread with the fixed link.
3. a kind of close rib building roof mold application method, it is characterised in that: including any close rib building roof claimed in claims 1-2
Mold, further includes the mould rack for being used to support primary and secondary skeletal frame and the close rib building roof mold, and the mould rack includes setting
Set the jacking screw rod at top；Specifically comprise the following steps:
Installation steps: after putting up mould rack, shaper is placed according to die location line, passes through jacking on mould rack
The height of the adjusting nut adjustment shaper of screw rod is horizontal to control shaper holding；Horizontal positioned shaper it
Afterwards, the fixed frame is mounted on shaping mould by fixing bolt, adjusts the height of the limiting card and fixes limit
It is scheduled on the corresponding position of mould rack, completes installation；
Demounting procedure: when removing to mold, the adjusting nut of the jacking screw rod is first loosened, primary and secondary skeletal frame is successively torn open
Under, then with small crowbar removed piece plate, gently agitating die edge later makes its loosening, finally catches the fixed frame that will determine
Pattern tool is pulled away from molded concrete structure, completes disassembly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160732.1A CN108979133B (en) | 2018-09-30 | 2018-09-30 | Dense rib floor mold and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160732.1A CN108979133B (en) | 2018-09-30 | 2018-09-30 | Dense rib floor mold and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108979133A true CN108979133A (en) | 2018-12-11 |
| CN108979133B CN108979133B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811160732.1A Active CN108979133B (en) | 2018-09-30 | 2018-09-30 | Dense rib floor mold and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107193A (en) * | 2021-03-31 | 2021-07-13 | 江西美丽坚建材科技有限公司 | Prefabricated assembled ribbed floor beam bottom die |
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| Publication number | Publication date |
|---|---|
| CN108979133B (en) | 2024-03-22 |
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