CN113123515B - Sheet folding combined type girderless floor core mould and mounting method thereof - Google Patents
Sheet folding combined type girderless floor core mould and mounting method thereof Download PDFInfo
- Publication number
- CN113123515B CN113123515B CN201911175429.3A CN201911175429A CN113123515B CN 113123515 B CN113123515 B CN 113123515B CN 201911175429 A CN201911175429 A CN 201911175429A CN 113123515 B CN113123515 B CN 113123515B
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- box
- sheet folding
- rib
- top cap
- lateral wall
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- 238000000034 method Methods 0.000 title claims description 15
- 239000004568 cement Substances 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 6
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001723 curing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000009432 framing Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 244000025254 Cannabis sativa Species 0.000 description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 4
- 235000009120 camo Nutrition 0.000 description 4
- 235000005607 chanvre indien Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011487 hemp Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 108010068370 Glutens Proteins 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 235000021312 gluten Nutrition 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
Abstract
The invention discloses a sheet folding combined type girderless floor core mould, which comprises the following steps: the top cap and the bottom box that fold and form are tailor by the cement composite soft board that can mould watering self hardening, the bottom box includes: the bottom plate, there is end box lateral wall bottom plate all around, the top cap includes the roof, there is the top cap lateral wall roof all around, when top cap and end box cover, the top cap lateral wall overlaps with end box lateral wall, end box bottom has a plurality of stabilizer blades, and it is inconvenient to solve the mandrel transportation in the prior art to and the relatively poor technical problem of intensity.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a sheet-shaped folding combined type girderless floor core die and an installation method thereof.
Background
The cast-in-place concrete beam-free hollow floor system is a novel building structure, and compared with a traditional beam slab structure, the cast-in-place concrete beam-free hollow floor system realizes the beam-free structure with large opening, large span and large load. The beamless floor construction adopts the technical means of embedding the core mold in the floor slab, so that the partial concrete which is not influenced by the stress in the floor slab is pumped out, the change of changing the solid floor slab into the hollow floor slab is realized, and the technical effects of reducing the self weight of the building and improving the integral stress performance of the floor slab are achieved. In addition, the hollow floor system technology has the advantages of low comprehensive cost, convenient construction, improvement of clearance, improvement of use functions, sound insulation, energy conservation and the like, and has obvious economic and social benefits. The application and development technology of the current hollow floor system is different day by day, and the hollow floor system has positive innovation and development in the aspects of new structures, new materials and new methods. Core mold materials such as a gypsum mold box, a GBF light thin-wall composite glass fiber pipe, a cement mold box, a polystyrene composite filling mold box and the like are used for the construction technology of the hollow floor. However, the technology of the beamless floor core mould with small occupied space for transportation and stacking, flexible and changeable plasticity and high post-forming strength cannot be well developed at present.
Disclosure of Invention
The invention aims to provide a sheet-shaped folding combined type girderless floor core die and an installation method thereof, which solve the technical problems of inconvenient transportation and storage of the core die and poor strength in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
a sheet folding modular flat roof core comprising: the top cap and the bottom box that fold and form are tailor by the cement composite soft board that can mould watering self hardening, the bottom box includes: the bottom plate, the bottom plate has end box lateral wall all around, the top cap includes the roof, the roof has the top cap lateral wall all around, when top cap and end box cover, the top cap lateral wall overlaps with end box lateral wall, end box bottom has a plurality of stabilizer blades.
The invention relates to a sheet folding combined type girderless floor mandrel, wherein the surface of a bottom plate is provided with a plurality of downward concave pillar mounting grooves, a pillar is assembled in each pillar mounting groove, and the top of the pillar is in contact with a top plate.
The invention relates to a sheet-shaped folding combined type girderless floor core die, wherein the supporting legs and the supporting columns are made of cement composite soft board cutting leftover materials.
The invention relates to a sheet folding combined type girderless floor core die, wherein a pillar mounting groove is formed by mechanical extrusion.
The invention relates to a sheet folding combined type girderless floor core die, wherein the joint of a top cover and a bottom box is sealed by a foam plugging agent.
The invention relates to a sheet-shaped folding combined type girderless floor core die, wherein the overlapping part of the side wall of a top cover and the side wall of a bottom box is reinforced by connecting screws.
The invention discloses a sheet-shaped folding combined type girderless floor core mould, which comprises a central steel wire mesh, wherein fine steel wire meshes and polypropylene grid layers are alternately arranged on the upper side and the lower side of the cement composite soft board at intervals, calcium aluminate cement hemp battles are filled between the central steel wire mesh and the fine steel wire mesh and between the fine steel wire mesh and the polypropylene grid layers, and a polyvinyl chloride bottom lining layer is arranged on the outer side of the polypropylene grid layer of the outermost layer.
The thickness of the cement composite soft board is 15-20mm, the thickness of the central steel wire mesh is 5mm, and the thickness of the calcium aluminate cement hemp batting is 5-8mm.
The invention relates to a method for installing a sheet-shaped folding combined type girderless floor core mould, which comprises the steps of positioning and paying off the positions of a multi-ribbed beam, a bottom rib and the core mould according to a design construction drawing after a full framing of a girderless floor and a floor bottom template are accepted, binding construction of the bottom rib X, Y direction reinforcing steel bars and the multi-ribbed rib, installing and fixing support legs according to the positions of the core mould after the binding construction of the bottom rib and the multi-ribbed rib is completed, binding the support legs on the bottom rib, connecting a bottom box and a support post after water spraying and hardening, installing the support legs, carrying out water spraying and soaking and curing molding on the bottom box and the support post, then carrying out manufacturing and installation of a top cover, carrying out water spraying and soaking and curing molding on the top cover after the installation, then adopting a foam plugging agent to carry out sealing treatment at the joint of the top cover and the bottom box, and continuing the subsequent construction of a surface layer negative rib, the distribution rib and the binding of the gluten and concrete operation after the installation of the core mould is completed.
The invention relates to a method for installing a sheet-shaped folding combined type girderless floor core mould, which is characterized in that after the core mould is sealed by a foam plugging agent, a capping steel bar above the core mould is fixed on a steel bar support below a floor bottom template by an iron wire.
According to the installation method of the sheet folding combined type girderless floor core mould, the supporting legs and the bottom box are fixed through the bolts.
The invention has the beneficial effects that: the invention designs a sheet folding combined type beamless floor core mould and an installation method thereof, which adopts a water sprinkling self-hardening cement composite board as a raw material of a hollow mould box, is convenient for transportation and in-field stacking, uses leftover materials of cutting the cement composite board to form support legs, support columns and the like, fully utilizes the raw material of the cement composite board, achieves the maximization of material utilization, ensures the performance requirement of the mould box, saves the cost, adopts a plastic water sprinkling self-hardening cement composite board, has lower cost compared with the traditional PE plastic mould box and a metal thin-wall hollow pipe, adopts screws for connection between a bottom box and the support legs, enhances the stability of the mould box, improves the anti-floating capability, and further improves the anti-floating capability of the combined mould box by pressing and fixing the mould box, namely the core mould through steel wires or iron wires passing through the mould plates.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of a cement composite flexible board according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, a sheet-like folding modular flat roof core comprising: the top cap 3 and the end box 2 that fold that form are tailor by the cement composite soft board 1 that can mould watering self hardening, end box 2 includes: the bottom plate 21, bottom plate 21 has end box lateral wall 23 all around, top cap 3 includes roof 31, roof 31 has top cap lateral wall 32 all around, when top cap 3 and end box 2 lid, top cap lateral wall 32 overlaps with end box lateral wall 23, end box 2 bottom has a plurality of stabilizer blades 4.
In the preferred embodiment of the present invention, the surface of the bottom plate 21 has a plurality of downward recessed pillar mounting grooves 22, the pillar mounting grooves 22 are fitted with pillars 24, and the tops of the pillars 24 are in contact with the top plate 31.
In the preferred embodiment of the present invention, the support legs 4 and the support posts 24 are made of the trimming leftover materials of the cement composite soft board 1.
In a preferred embodiment of the present invention, the post mounting recess 22 is formed by mechanical extrusion.
In a preferred embodiment of the present invention, the seam between the top cover 3 and the bottom case 2 is sealed by a foam plugging agent.
In the preferred embodiment of the present invention, the overlapping portion of the top cover side wall 32 and the bottom case side wall 23 is reinforced by a connecting screw 33.
In the preferred embodiment of the invention, the cement composite soft board 1 comprises a central steel wire mesh 11, wherein fine steel wire meshes 13 and polypropylene grid layers 14 are alternately arranged on the upper side and the lower side at intervals, calcium aluminate cement hemp battings 12 are filled between the central steel wire mesh 11 and the fine steel wire mesh 13 and between the fine steel wire mesh 13 and the polypropylene grid layers 14, and a polyvinyl chloride bottom lining layer 15 is arranged on the outer side of the outermost polypropylene grid layer 14.
In a preferred embodiment of the present invention, the thickness of the cement composite flexible board 1 is 15-20mm, the thickness of the central steel wire mesh 11 is 5mm, and the thickness of the calcium aluminate cement hemp batting 12 is 5-8mm, and the cement composite flexible board is formed by extrusion.
A method for installing the core mould of sheet folding combined type flat slab includes such steps as installing the core mould on the full frame of flat slab, checking the bottom mould of floor, locating and paying off the positions of multi-ribbed beam, bottom rib and core mould, binding the bottom rib X, Y, fixing the supporting legs 4, binding the supporting legs 4 to the bottom rib, connecting the bottom box 2 and supporting columns 24, installing them on the supporting legs 4, sprinkling water to soak the bottom box 2 and supporting columns 24, curing, installing top cover 3, spraying water to soak the top cover 3, curing, sealing the joint between top cover 3 and bottom box 2 with foam sealing agent, and installing core mould.
In the preferred embodiment of the invention, after the core mould is sealed by the foam plugging agent, the capping steel bar above the core mould is fixed on the steel bar support below the floor bottom template by an iron wire.
In a preferred embodiment of the invention, the support legs 4 are fixed with the bottom box 2 by screws.
The cement composite soft board 1 is formed by extrusion through raw materials of each layer, the thickness is 15-20mm, the cement composite soft board has the characteristic of sprinkling water and self-hardening, so that the cement composite soft board can be transported and stored in a board form in the transportation process, when a core mould, namely a mould box is required to be manufactured, on-site manufacturing is performed by cutting, and the support column 24 and the support leg 4 are manufactured through leftover materials, so that the waste is avoided, in the installation method, the support leg 4 is used for the maximum, and then the cement composite soft board is connected with the bottom box 2 through screws, so that the installation convenience is improved, and steel bars on the core mould and steel pipes on the bottom surface of the mould plate are stranded through iron wires, so that the integral anti-floating performance is further improved.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (9)
1. A sheet-like folding modular flat roof core comprising: the plastic sprinkling self-hardening cement composite soft board (1) is cut and folded to form a top cover (3) and a bottom box (2), and the bottom box (2) comprises: bottom plate (21), bottom plate (21) have end box lateral wall (23) all around, top cap (3) are including roof (31), roof (31) have top cap lateral wall (32) all around, when top cap (3) and end box (2) lid, top cap lateral wall (32) overlap with end box lateral wall (23), end box (2) bottom has a plurality of stabilizer blades (4), cement composite soft board (1) include central wire net (11), upper and lower both sides interval in turn is provided with thin wire net (13) and polypropylene grid layer (14), all be filled with calcium aluminate cement gunny wadding (12) between central wire net (11) and thin wire net (13) and thin wire net (14) between thin wire net (13), outermost polypropylene grid layer (14) outside is provided with polyvinyl chloride backing layer (15).
2. A sheet folding modular flat roof core according to claim 1, characterized in that the surface of the bottom plate (21) has a number of downwardly recessed pillar mounting grooves (22), in which pillars (24) are fitted in the pillar mounting grooves (22), the tops of the pillars (24) being in contact with the top plate (31).
3. A sheet folding modular flat roof core according to claim 2, characterized in that the legs (4) and the struts (24) are made of cut off trim from a cement composite flexible board (1).
4. A sheet folding modular flat roof core according to claim 2, characterized in that the pillar mounting groove (22) is formed by mechanical extrusion.
5. A sheet folding modular flat roof core according to claim 2, characterized in that the seam of the top cover (3) and bottom box (2) is sealed by a foam plugging agent.
6. A sheet folding modular flat roof core according to claim 1, characterized in that the overlapping of the top cover side wall (32) and the bottom box side wall (23) is reinforced by means of a connecting screw (33).
7. A mounting method of a sheet folding combined type flat slab core mold is characterized in that after a flat slab full framing and a floor slab bottom template are inspected and accepted, positioning and paying off are carried out on the positions of a dense rib beam, a bottom rib and the core mold according to a design construction drawing, binding construction of the bottom rib X, Y and the dense rib is carried out, after binding construction of the bottom rib and the dense rib is completed, mounting and fixing of supporting legs (4) are carried out according to the positions of the core mold, supporting legs (4) are bound on the bottom rib, the bottom box (2) and a supporting column (24) after water spraying and hardening are connected and are mounted on the supporting legs (4), water spraying and soaking and curing forming are carried out on the bottom box (2) and the supporting column (24), then manufacturing and mounting of a top cover (3) are carried out, after the mounting is completed, sealing treatment is carried out on the joint of the top cover (3) and the bottom box (2) by adopting a foam plugging agent, and the binding operation of a face layer negative rib, a distributing rib and a face bar and a concrete body is continued after the mounting is completed.
8. The method for installing a core mold of a sheet folding composite flat slab according to claim 7, wherein after the core mold is sealed with a foam plugging agent, a capping bar above the core mold is fixed to a bar support below a bottom formwork of the flat slab by an iron wire.
9. A method of installing a sheet folding modular flat roof core according to claim 7, characterized in that the legs (4) are fastened to the bottom box (2) by means of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175429.3A CN113123515B (en) | 2020-01-13 | 2020-01-13 | Sheet folding combined type girderless floor core mould and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175429.3A CN113123515B (en) | 2020-01-13 | 2020-01-13 | Sheet folding combined type girderless floor core mould and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113123515A CN113123515A (en) | 2021-07-16 |
| CN113123515B true CN113123515B (en) | 2023-11-24 |
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|---|---|---|---|
| CN201911175429.3A Active CN113123515B (en) | 2020-01-13 | 2020-01-13 | Sheet folding combined type girderless floor core mould and mounting method thereof |
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| CN (1) | CN113123515B (en) |
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| Publication number | Publication date |
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| CN113123515A (en) | 2021-07-16 |
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