CN112144720B - A staggered interlocking prefabricated concrete floor system and its construction method - Google Patents
A staggered interlocking prefabricated concrete floor system and its construction method Download PDFInfo
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- CN112144720B CN112144720B CN202011084239.3A CN202011084239A CN112144720B CN 112144720 B CN112144720 B CN 112144720B CN 202011084239 A CN202011084239 A CN 202011084239A CN 112144720 B CN112144720 B CN 112144720B
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- 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
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- 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/023—Separate connecting devices for prefabricated floor-slabs
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Abstract
本发明公开了一种错缝相扣式预制装配混凝土楼板体系，包括多块带有相间凹凸网格状齿槽、正反错缝相扣安装使用的预制楼板，上下预制楼板间通过相间凹凸的网格状齿槽紧密咬合连接，且板间拼接板缝错开，相邻两块预制楼板间板缝通过FRP纤维布配合环氧树脂粘贴，楼板端部出筋与楼盖结构次梁通过现浇条带连成整体。本发明提供了一种全新的预制装配式楼板方案，设计新颖合理，采用“单向预制、正反相扣、错缝搭接、节点加强”的基本思想，并结合“大板预制、分割使用”的预制工艺，利用楼板自身特点完成装配施工，板端现浇条带、板缝处FRP纤维布加固，有效提高装配楼板结构的整体性能和装配式施工效率，节约了人力资源成本，经济效益显著，利于推广使用。
The invention discloses a prefabricated prefabricated concrete floor slab system with interlocking joints, comprising a plurality of prefabricated floor slabs with interlaced concave-convex grid-like tooth slots, positive and negative staggered joints for installation and use, and the upper and lower prefabricated floor slabs pass through the interlaced concave-convex grooves. The grid-like tooth grooves are closely connected, and the joints between the slabs are staggered. The slab joints between the two adjacent prefabricated slabs are pasted with FRP fiber cloth and epoxy resin. The strips are connected as a whole. The invention provides a brand-new prefabricated floor plan with novel and reasonable design, adopts the basic idea of "one-way prefabrication, positive and negative interlocking, staggered lap joint, and node strengthening", combined with "large slab prefabrication, split use ” prefabrication process, using the characteristics of the floor itself to complete the assembly construction, the slab end is reinforced with cast-in-place strips, and the slab joints are reinforced with FRP fiber cloth, which effectively improves the overall performance of the assembled floor structure and the assembly construction efficiency, saving human resource costs and economic benefits. Significant, conducive to promotion and use.
Description
Technical Field
The invention relates to the technical field of prefabricated floors with fabricated structures, in particular to a staggered joint buckled prefabricated concrete floor system and a construction method thereof.
Background
The prefabricated building is formed by manufacturing and processing a part of or all components used by the building in a factory, then transporting the components to a construction site, and installing and splicing the components on the site. Therefore, the fabricated building has the following four characteristics: firstly, the building speed is high; secondly, the influence of climate is small; thirdly, a large amount of labor force is saved; fourthly, the environment is protected. By virtue of the advantages of standardization, industrialization, assembly, integration, high efficiency, intelligent construction, energy conservation and environmental protection, the national and local governments successively set corresponding policies to promote the development of the standard assembly industry, and the development of the assembly building structure is the trend of the building industry in China.
In the building systems currently available, floor systems are one of the most important components of building construction systems. The floor slab is a main transverse bearing component, not only has the function of bearing vertical load, but also has the functions of connecting each vertical component to form a lateral force resisting system and transmitting horizontal wind load and earthquake action force. Most of the floor systems commonly used at present are cast-in-place reinforced concrete floor systems and some of the existing fabricated floor systems. Cast-in-place floor wholeness is good, but on-spot formwork work load is big, and wet operation is more, considers cast in situ concrete's maintenance problem, and the time limit for a project is prolonged greatly, and this demand that is not accorded with the vigorous development fabricated building that the country advocated. At present, the commonly used fabricated floor slab mostly adopts a form of a laminated floor slab in order to ensure the integrity of the floor slab, the laminated layer is cast in situ on a prefabricated bottom plate produced in part of factories in a standardized way, the floor slab only realizes partial assembly, larger casting amount still exists in a construction site, and the construction efficiency is not high. The prefabricated degree of full assembled floor is highest, and on-the-spot no wet operation, with major structure assembly efficiency phase-match, nevertheless because connect the poor and board seam fracture seepage scheduling problem of wholeness, the full assembled floor technique still needs a urgent need to be studied.
Disclosure of Invention
The invention aims to provide a staggered joint buckling type prefabricated concrete floor system and a construction method thereof, and aims to solve the technical problems that a cast-in-place floor or a composite floor is large in wet operation amount, the construction efficiency is not matched with the assembly construction of a main frame, the connection integrity of a fully-assembled floor is poor, and plate joints crack and leak.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a staggered joint buckling type prefabricated assembled concrete floor system comprises a plurality of prefabricated floors, wherein one surface of each prefabricated floor is a clear water surface, the other surface of each prefabricated floor is provided with convex teeth and grooves which are matched with each other in size, the convex teeth and the grooves are arranged at intervals in a grid shape along a plate surface, the heights of the convex teeth and the grooves are 1/2 of the total thickness of a single prefabricated floor, longitudinal stress distribution reinforcing steel bars and transverse distribution reinforcing steel bars which are bound and fixed with each other are arranged in the plate surfaces of which the bottoms are in an integral shape, and the longitudinal stress distribution reinforcing steel bars exceed the end surfaces of the prefabricated floors by a certain length to form a swinging joint;
prefabricated floor is equipped with positive and negative relative two-layer in mounted position, the inseparable interlock of dogtooth and recess of two-layer upper and lower prefabricated floor links to each other, piece vertical the upwards stagger each other of the splice between two adjacent prefabricated floors in two-layer upper and lower each layer, and the lapped area of interlock between two upper and lower prefabricated floors is half of face area separately, avoid appearing the structure seam that link up, piece department between the prefabricated floor of lower floor has FRP fibre cloth through epoxy paste, prefabricated floor tip overlap joint is on the secondary beam of superstructure structure, the prefabricated floor that lies in secondary beam both sides gets rid of the crisscross overlap joint of each other of the vertical atress distribution reinforcing bar of racking section and links as an organic wholely through cast-in-place concrete strip.
Preferably, the end parts of the longitudinal stress distribution reinforcing steel bars are upset, and the length of lap joint sections of the thrown racking sections of the prefabricated floor slabs on two sides of the secondary beam, which are mutually staggered, is not less than 15 times of the diameter of the reinforcing steel bars.
Preferably, the width of the cast-in-place concrete strip is not less than 200mm, the lap joint length of the precast floor slab and the secondary beam is not less than 50mm, and the contact surface of the precast floor slab and the cast-in-place concrete strip is a roughened surface.
Preferably, horizontal projections of the convex teeth and the concave grooves are square, and the side length of the square projection is between 1/10-1/15 of the span of the prefabricated floor slab.
Preferably, the surface of the prefabricated floor slab where the FRP fiber cloth is adhered is a roughened surface.
In addition, the invention also provides a construction method of the staggered joint buckling type precast assembled concrete floor system, which comprises the following steps,
the method comprises the following steps: performing one-way factory prefabrication of a large plate, determining the size of each component of a prefabricated floor slab according to parameter analysis, manufacturing a pouring mold, coating a release agent on the mold in advance, and binding longitudinal stress distribution reinforcing steel bars and transverse distribution reinforcing steel bars on a mold support, wherein the longitudinal stress distribution reinforcing steel bars are reserved with outlet ribs with certain lengths;
step two: standard maintenance is carried out on the floor slab, concrete is poured in a mould, proper maintenance measures are taken, and demoulding is carried out after forming to form a latticed prefabricated large slab with one flat surface and one surface provided with alternate convex teeth and grooves;
step three: the prefabricated large plate is divided for use: according to the specific design condition of the structural beam, combining the on-site transportation and hoisting capacity, selecting proper floor slab width and modulus, and cutting the large prefabricated slab into small prefabricated floor slabs;
step four: the prefabricated floor slab is assembled on site by positive and negative buckling, after being transported to the site, the prefabricated floor slab is installed by adopting a positive and negative buckling and staggered joint lapping mode, the convex teeth and the grooves are mutually matched, the interlayer slippage can be effectively resisted, and the undercut lapping of the prefabricated floor slab is sequentially laid between secondary beams;
step five: reliable connection is strengthened to the slab joint, prefabricated floor lays the back that finishes, prefabricated floor tip gets rid of the vertical atress distribution reinforcing bar of racking section and takes up and cast in situ concrete strip each other crisscrossly, it is whole to link prefabricated floor into at secondary beam top, the reinforcing structure wholeness, splice department between the prefabricated floor of lower floor adopts epoxy resin adhesive FRP fibre cloth, FRP fibre cloth can suitably replace the atress of partial board lower part reinforcing bar, improve the bearing capacity of board, guarantee the holistic reliable connection of structure, avoid later stage fracture problem.
Preferably, the die in the first step comprises a bottom die plate and side die plates, wherein the bottom die plate is made of alternate concave-convex latticed profiled steel plates, the side die plates are fixedly arranged on the periphery of the bottom die plate, a rib placing groove used for penetrating out longitudinal stress distribution reinforcing steel bars is correspondingly formed in one group of oppositely arranged side die plates, and the bottom end of the rib placing groove is located on the envelope surface at the top of the concave-convex surface of the bottom die plate.
Preferably, step four prefabricated floor slab in the transportation positive and negative each other detain and place, the prefabricated floor slab edge of mutual lock aligns, has avoided dogtooth and recess to expose outside when having improved the whole thickness of floor slab, prevents that the floor slab from breaking or the corner of dogtooth and recess appears damaged in the transportation.
Compared with the prior art, the invention has the beneficial effects that:
1. the prefabricated assembled floor slab adopts the design idea of 'integral prefabrication, cutting use and block assembly', the degree of factory prefabrication is high, the process is simple, the adaptability is strong, and the cost is low;
2. the prefabricated assembled floor slab can realize the assembly connection of a floor slab system, is matched with the assembly construction efficiency of beam columns, is simple and convenient to construct and high in efficiency, the floor slabs are in positive and negative buckling and engaged connection, the floor slabs are welded with secondary beam embedded parts, the floor slab system is in dry connection, the assembly can be carried out simultaneously along with the assembly of structural beam columns, the construction period is saved, and the labor resource cost is reduced;
3. according to the prefabricated floor slab, the upper floor slab and the lower floor slab are spliced in a staggered manner, so that the problem that through seams are easy to occur in the traditional prefabricated floor slab is solved, the integrity among the floor slabs is enhanced by the staggered splicing, the shearing resistance problem at the plate seams is relieved, and the difficulty of waterproof treatment of the floor slab is effectively reduced;
4. according to the prefabricated assembled floor slab, after the assembly is finished, the top and the bottom are flat and smooth clear water surfaces, the problem that the bottom surface of a profiled steel sheet composite floor slab or a composite flat beam floor slab is uneven is solved, the ceiling treatment is not needed in the later decoration, and the subsequent decoration cost of an owner is reduced;
5. according to the prefabricated assembled floor slab, the concrete strips are cast in situ at the positions of the ribs at the slab ends of the secondary beams, the joint area connection is enhanced, the principle requirements of strong joint and weak members in the seismic design of a structural system are met, and the structural overall performance of the assembled floor slab system is enhanced;
6. according to the prefabricated floor slab, the longitudinal abutted seam positions are reinforced by the FRP fiber cloth matched with the epoxy resin adhesive, and the connection between the slab seams is reliable, so that the problem that the slab seams are easy to crack in the using process of the prefabricated floor slab can be solved, the long-term use reliability of a floor slab system is improved, partial stress bars can be properly replaced, and the overall reinforcement ratio is reduced;
in conclusion, the invention has the advantages of novel and reasonable design, simple processing and manufacturing of the floor slab, strong adaptability, assembled connection and good overall performance, can effectively improve the structural assembly efficiency, has obvious economic benefit and is convenient to popularize and use.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
fig. 1 is a schematic structural view of a fully assembled precast floor slab structure according to the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic structural view of a prefabricated slab in a construction method of a fully-assembled prefabricated floor slab structure according to the present invention;
FIG. 4 is a schematic diagram of a splicing method of a large prefabricated plate after cutting in a construction method of a full-assembled prefabricated floor slab structure according to the present invention;
fig. 5 is a schematic structural view of a mold in a construction method of a fully-assembled precast floor slab structure according to the present invention;
fig. 6 is an enlarged schematic view of part B of fig. 5.
Reference numerals: 1-precast floor slab, 2-convex tooth, 3-groove, 4-longitudinal stress distribution steel bar, 5-secondary beam, 6-bottom template, 7-side template and 8-bar groove.
Detailed Description
Hereinafter, an embodiment of a stagger-fastened precast assembled concrete floor system and a construction method thereof according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "longitudinal", "lateral", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to scale relative to each other in order to clearly illustrate the architecture of the various elements of an embodiment of the invention. Like reference numerals are used to denote like parts.
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-6:
as shown in fig. 1-6, the preferred staggered joint buckling type precast assembled concrete floor system of the present invention comprises a plurality of precast floors 1, one side of each precast floor 1 is a clear water surface, the other side of each precast floor is provided with convex teeth 2 and grooves 3 which are matched with each other in size, the convex teeth 2 and the grooves 3 are arranged at intervals in a grid shape along the floor surface, the horizontal projections of the two are both square, the height of the two is 1/2 of the total thickness of a single precast floor 1, the side length of the square projection is between 1/10-1/15 of the span of the precast floor 1, longitudinal stress distribution steel bars 4 and transverse distribution steel bars which are bound and fixed with each other are arranged in the floor surface with the bottom being in an integral shape, and the longitudinal stress distribution steel bars 4 exceed the end surface of the precast floor 1 by a certain length to form a swinging joint section;
prefabricated floor 1 is equipped with two-layer positive and negative relative in the mounted position, protruding tooth 2 and the inseparable interlock of recess 3 of two-layer prefabricated floor 1 from top to bottom link to each other, interlock portion thickness is 1/3 of two-layer prefabricated floor 1 gross thickness from top to bottom, the piece between two adjacent prefabricated floor 1 in two-layer upper and lower layers staggers each other in the vertical direction, and the overlap joint area of interlock between two prefabricated floor 1 from top to bottom is half of face area separately, avoid appearing the structure seam that link up, the piece department between prefabricated floor 1 of lower floor has FRP fibre cloth through epoxy paste, and paste the prefabricated floor 1 chisel hair processing of FRP fibre cloth position, prefabricated floor 1 tip overlap joint is on secondary beam 5 of superstructure structure, and prefabricated floor 1 and secondary beam 5's overlap joint length is not less than 50mm, the vertical stress distribution reinforcing bar 4's that gets rid of raft section tip mound is thick, the vertical stress distribution reinforcing bar 4 that gets rid of prefabricated floor 1 that is located secondary beam 5 both sides is crisscross-lapped each other and the overlap joint length is not less than steel length The diameter of the rib is 15 times, the contact surface of the precast floor slab 1 and the cast-in-place concrete strip is chiseled and is connected into a whole through the cast-in-place concrete strip, and the width of the cast-in-place concrete strip is not less than 200 mm;
in the embodiment, the secondary beam 5 is made of 45A type I steel, the length is 6000mm, the size of the die is 9000mm in the longitudinal direction and 6000mm in the transverse direction, the length and the width of the concave-convex grids of the bottom template 6 are 750mm, and the height is 50 mm; the prefabricated large plate is flat and smooth in one surface, concave and convex teeth in the shape of a profiled steel sheet are arranged on the other surface, the thickness is 100mm, the width of each small prefabricated floor slab 1 is 3000mm during cutting, the width of the floor slab at the edge is 1500mm, the total thickness of the prefabricated floor slabs 1 after cutting and splicing is 150mm, the prefabricated floor slabs 1 are lapped on the upper flange of I-steel, after the prefabricated floor slabs 1 are spliced in place, ribs of the prefabricated floor slabs 1 on the two sides of the I-steel are mutually staggered and lapped, grooves are formed in the upper flange of the secondary beam 5, and then the gaps of the grooves above the I-steel are poured and filled with concrete to form a whole.
The specific construction method of the invention comprises the following steps,
the method comprises the following steps: the large plate is prefabricated in a one-way factory, the sizes of all components of the prefabricated floor slab 1 are determined according to parameter analysis, a pouring mold is manufactured, as shown in fig. 5-6, the mold comprises a bottom template 6 and side templates 7, the bottom template 6 is made of alternative concave-convex latticed profiled steel plates, the side templates 7 are fixedly arranged on the periphery of the bottom template, a rib placing groove 8 for penetrating out a longitudinal stress distribution reinforcing steel bar 4 is correspondingly formed in one group of the side templates 7 which are oppositely arranged, the bottom end of the rib placing groove 8 is located on the top enveloping surface of the concave surface and the convex surface of the bottom template 6, when the template is prefabricated, a mold release agent is coated on the mold in advance, the longitudinal stress distribution reinforcing steel bar 4 and a transverse distribution reinforcing steel bar are bound on a mold support, the longitudinal stress distribution reinforcing steel bar 4 penetrates out of the rib placing groove 8, and a certain length of a rib is reserved;
step two: standard maintenance is performed on the floor slab, concrete is poured in a mould, proper maintenance measures are taken, and demoulding is performed after forming to form a latticed prefabricated large plate with one flat surface and one surface provided with alternate convex teeth 2 and grooves 3, as shown in figure 3;
step three: the prefabricated large plate is divided for use: according to the specific design condition of the structural beam, combining the on-site transportation and hoisting capacity, selecting proper floor slab width and modulus, and cutting the large prefabricated slab into small prefabricated floor slabs 1 as shown in figure 4;
step four: the prefabricated floor slab 1 is placed in a positive and negative buckling mode in the transportation process, the edges of the prefabricated floor slabs 1 which are buckled with each other are aligned, the integral thickness of the floor slab is improved, meanwhile, the protruding teeth 2 and the grooves 3 are prevented from being exposed outside, the floor slab is prevented from being broken or the corners of the protruding teeth 2 and the grooves 3 are prevented from being damaged in the transportation process, after the prefabricated floor slab 1 is transported to the site, the protruding teeth 2 and the grooves 3 are mutually matched in a positive and negative buckling and staggered lap joint mode, and the engaged lap joint is sequentially laid between the secondary beams 5;
step five: reliable connection is strengthened to the board seam, as shown in fig. 2, the back finishes is laid to prefabricated floor 1, and 1 tip of prefabricated floor gets rid of the vertical atress distribution reinforcing bar of racking section 4 and interlocks each other and takes up and cast in situ concrete strip, and at 5 tops of secondary beam and link into whole, the piece department between the prefabricated floor 1 of lower floor adopts the epoxy glue to paste FRP fibre cloth.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108691382A (en) * | 2018-07-05 | 2018-10-23 | 中国建筑标准设计研究院有限公司 | Pin-connected panel precast floor slab and its construction method |
| CN113057102B (en) * | 2021-03-25 | 2022-04-29 | 山东大学 | Flexible waterproof method for prefabricated manure trough slab seam |
| CN113250359B (en) * | 2021-07-07 | 2021-10-08 | 中冶建筑研究总院有限公司 | Full precast concrete floor slab connection structure and design calculation method |
| CN115262831A (en) * | 2022-08-09 | 2022-11-01 | 筑邦绿建科技(重庆)有限公司 | Integral type splicing seam construction method for fabricated floor and floor |
| CN118087596B (en) * | 2024-04-24 | 2025-03-04 | 湖北省电力规划设计研究院有限公司 | An assembled shrinkage foundation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB960706A (en) * | 1960-07-22 | 1964-06-17 | Poron Insulation Ltd | Composite flooring |
| DE2611893A1 (en) * | 1976-03-20 | 1977-09-29 | Elda Ag | Structural panel for roofs, walls and floors - with corrugated bitumen felt panel, flat cover panel and intermediate foam layer |
| WO2014080089A1 (en) * | 2012-11-26 | 2014-05-30 | Termo Panels Oy | A construction element and a method for manufacturing said element |
| CN104032869A (en) * | 2013-03-05 | 2014-09-10 | 华汇工程设计集团股份有限公司 | Prefabricated composite floor slabs and prefabricated construction method thereof |
| CN104060738A (en) * | 2014-06-30 | 2014-09-24 | 沈阳建筑大学 | Reserved cast-in-situ strip assembly integral concrete floor slab |
| CN105693162A (en) * | 2016-01-21 | 2016-06-22 | 正太集团有限公司 | Half-dry concrete and method for prefabricating hollow floor slab cut according to length |
| CN210177767U (en) * | 2019-01-08 | 2020-03-24 | 宿迁华美新材料有限公司 | Steel concrete composite floor slab |
-
2020
- 2020-10-12 CN CN202011084239.3A patent/CN112144720B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB960706A (en) * | 1960-07-22 | 1964-06-17 | Poron Insulation Ltd | Composite flooring |
| DE2611893A1 (en) * | 1976-03-20 | 1977-09-29 | Elda Ag | Structural panel for roofs, walls and floors - with corrugated bitumen felt panel, flat cover panel and intermediate foam layer |
| WO2014080089A1 (en) * | 2012-11-26 | 2014-05-30 | Termo Panels Oy | A construction element and a method for manufacturing said element |
| CN104032869A (en) * | 2013-03-05 | 2014-09-10 | 华汇工程设计集团股份有限公司 | Prefabricated composite floor slabs and prefabricated construction method thereof |
| CN104060738A (en) * | 2014-06-30 | 2014-09-24 | 沈阳建筑大学 | Reserved cast-in-situ strip assembly integral concrete floor slab |
| CN105693162A (en) * | 2016-01-21 | 2016-06-22 | 正太集团有限公司 | Half-dry concrete and method for prefabricating hollow floor slab cut according to length |
| CN210177767U (en) * | 2019-01-08 | 2020-03-24 | 宿迁华美新材料有限公司 | Steel concrete composite floor slab |
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