CN108316534B - Assembled ribbed floor slab with reserved anchor holes and bridge joint edge structure - Google Patents
Assembled ribbed floor slab with reserved anchor holes and bridge joint edge structure Download PDFInfo
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- CN108316534B CN108316534B CN201810223426.1A CN201810223426A CN108316534B CN 108316534 B CN108316534 B CN 108316534B CN 201810223426 A CN201810223426 A CN 201810223426A CN 108316534 B CN108316534 B CN 108316534B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 239000004567 concrete Substances 0.000 claims abstract description 59
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 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
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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
- E04B5/16—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
- E04B2005/324—Floor structures wholly cast in situ with or without form units or reinforcements with peripheral anchors or supports
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of manufacturing of assembled floors in constructional structure engineering, and particularly relates to an assembled ribbed floor with a reserved anchor hole and a joint edge structure of a tooth-shaped joint. The invention welds the section steel and the single-row reinforcement net to form a floor slab steel skeleton, makes anchor holes and a tooth-shaped joint structure at the edges of the slab, pours the floor slab concrete, and pouring slab rib concrete at the I-steel position, thereby forming the assembled ribbed floor slab with reserved anchor holes and the joint edge structure of the toothed bars. Compared with the traditional assembled floor slab, the joint and anchor hole structure of the floor slab increases the connection strength between the floor slab and the frame beam and between the floor slab and the floor slab, and enhances the integrity of the floor slab, thereby effectively transmitting horizontal force and increasing the shock resistance of the house.
Description
Technical field:
the invention belongs to the technical field of manufacturing of assembled floors in constructional structure engineering, and particularly relates to an assembled ribbed floor with reserved anchor holes and a joint edge structure of a tooth-shaped joint and a manufacturing method thereof.
The background technology is as follows:
the construction of new rural residences in China currently has the problems of huge construction task quantity, most of existing residences are self-built, low in earthquake resistance, even free of earthquake resistance and the like, and becomes a great difficulty in the construction of the new rural residences in China. The assembled building has the characteristics of green buildings such as industrial production, standardized manufacturing, easy ground reconstruction and the like, has the advantages of short construction period and labor saving, and has wide development prospect and application value in new rural buildings. Along with the promotion of the country and the government, the production and design of the assembled structural members will be greatly changed. The floor slab members have very important specific gravity, from the stress perspective, the floor slab in the building structure is a horizontal stress member, various loads on the floor slab are transferred to a vertical stress member, and a space stress system is formed by the floor slab and the vertical stress member, so that the stability of the structure is improved, and the floor slab has enough rigidity and strength; from the engineering cost perspective, concrete floors occupy a considerable proportion in terms of the amount of the whole building material and the cost.
However, from the stress perspective, the assembled floor slab applied to the modularized assembled structure often has discontinuous planar rigidity due to the existence of the spliced slab joints, and the overall effect of the floor slab is affected. The so-called integral casting floor slab has larger plane rigidity, can transfer horizontal force to each vertical side force resisting component and work together in cooperation with the vertical side force resisting components, and particularly when the vertical side force resisting components are unevenly distributed, are complex to arrange or have different horizontal deformation characteristics, the whole structure depends on the floor slab to enable each side force resisting component to work together. The existence of the splicing seams of the assembled floor slab just ensures that the effect of the floor slab cannot be fully and effectively exerted; from the engineering cost perspective, the existing fabricated floor slab module is small, the post-treatment connecting joints are more, time and labor are wasted, and the cost is increased.
The invention comprises the following steps:
the invention provides an assembled ribbed floor slab with a reserved anchor hole and a joint edge structure of a toothed joint and a construction method thereof, and provides an assembled floor slab with reliable connection measures between slabs and frame beams and between slabs for a village low multi-layer frame structure house, so as to solve the problem that horizontal force cannot be sufficiently transmitted between vertical lateral force resistant members due to weak connection and poor integrity of the existing assembled floor slab. Meanwhile, the components are assembled and constructed on site, the anti-seismic effect is good, and the method is suitable for wide popularization.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the assembled ribbed floor slab with the reserved anchor holes and the joint edge structures of the tooth segments comprises profile steel (1), round steel pipes (2), a single-row reinforcement net (3), connecting bolts (4), the tooth segments (5), the reserved anchor holes (6), slab ribs (7), floor slab concrete (8), construction joints (9), frame beams (10) and frame columns (11); the steel section (1) is vertically welded to form a floor slab rib grid, a round steel pipe (2) is welded at the tail end of the steel section (1), a single-row reinforcement net (3) with the required size of a floor slab is arranged at the bottom of the steel section (1), and the single-row reinforcement net is welded and fixed at a contact position with the bottom of the steel section (1), so that a floor slab steel skeleton is formed; pouring floor slab concrete (8), wherein during pouring, a single-row reinforcement net (3) is poured in the middle of the floor slab concrete (8), slab rib (7) concrete is poured at the position of the section steel (1), slab edges are poured into the shape of a horseshoe joint (5), anchor holes (6) are reserved at the positions of the horseshoe joint convex joints, the positions of the anchor holes correspond to the positions of connecting bolts (4) on a frame beam (10), and an assembled ribbed floor slab with reserved anchor holes and horseshoe joint edge structures is formed after concrete curing; when in assembly, the reserved anchor holes (6) sleeve the connecting bolts (4) on the frame beams (10) into the holes, grouting material is poured into the holes, and the connecting bolts (4) are anchored on the floor slab, so that the connection between the floor slab and the frame beams (10) is realized; and the construction joints (9) between the adjacent floor slab edges are filled with grouting materials, concrete or mortar, and the adjacent floor slabs are poured together to realize the connection of the adjacent floor slabs.
The assembled ribbed floor slab with the reserved anchor holes and the joint edges of the tooth-shaped joints is characterized in that:
the section steel (1) comprises I-steel, H-steel, channel steel or angle steel; according to the floor size, vertically welded section steel, and at least one section steel (1) is respectively arranged in each vertical direction; when the floor slab concrete (8) is poured, the bottom and the lower section steel sections of the section steel (1) are poured in the floor slab concrete (8), and the rest section steel sections of the upper part are poured in the slab rib (7) concrete.
The diameter of the round steel pipe (2) is the same as that of the reserved anchor hole (6), and the height is the sum of the thickness of the floor slab concrete (8) and the height of the slab rib (7). During assembly, the floor slab is sleeved on the connecting studs (4) on the frame beams (10), pouring grouting materials are filled, and the floor slab and the frame beams (10) are reliably connected together.
The diameter of the steel bars used by the single-row reinforcement mesh (3) is not smaller than 4mm, the reinforcement spacing is not smaller than 50mm, the steel bars are vertically arranged to form orthogonal steel bar meshes, and the orthogonal steel bar meshes are paved in a floor slab in a single piece mode; the plate edge steel bars are bent into the shape of the toothed joints of the floor slab corresponding to the positions of the toothed joints (5).
The connecting studs (4) are fixed on the frame beam (10), and when the frame beam (10) is a reinforced concrete beam, the connecting studs are embedded on the frame beam (10); when the frame beam (10) is a steel pipe concrete beam or a profile steel beam, pre-welding the frame beam (10); the exposed height of the connecting studs (4) on the frame beam (10) is smaller than the casting thickness of the floor slab concrete (8).
The convex joints (5) are arranged along the plate edges, the shapes of the convex joints and the concave joints are the same, and the convex joints correspond to the concave joints of the adjacent plate edges; when the floor slab is installed on the frame beam (10), the horizontal distance between the bottom edge of the protruding joint of the floor slab and the joint edge of the frame beam (10) (namely the minimum joint length of the floor slab on the frame beam) is not less than 30mm.
The reserved anchor holes (6) are round holes, the aperture is not smaller than 40mm, and the reserved anchor holes are arranged in all the convex joints of the tooth joints (5) along the slab edges of the floor slab. And filling the reserved anchor holes (6), anchoring the connecting studs (4) on the floor slab, and realizing reliable connection of the floor slab and the frame beam (10) so as to effectively transfer stress between the floor slab and the frame.
The plate rib (7) is formed after the section steel (1) is poured with concrete, and the height and the width of the plate rib (7) are not smaller than 40mm.
The thickness of the floor slab concrete (8) is 40 mm-80 mm, and the strength grade of the concrete is C30-C60; the concrete is common concrete, recycled concrete with different amounts of recycled coarse aggregate or high-performance concrete. The recycled concrete is prepared from the concrete aggregate obtained after the waste concrete blocks of the old building are crushed, cleaned and graded, and the recycling and reduction treatment principle of the waste concrete is realized by adopting the recycled concrete, so that the recycled concrete has the effects of protecting the environment and saving the resources, has remarkable social benefit and promotes the national sustainable development. According to engineering requirements, high-performance concrete with performances of crack resistance, corrosion resistance and the like can be prepared.
The construction joint (9) is a gap between adjacent floor slab joints, and the width of the gap is not less than 30mm; the grouting material, concrete or mortar used for filling the construction joint (9) has the strength not lower than that of the floor slab concrete (8). The filling material has high strength, and can strengthen the joint area connection of the adjacent floor slabs and the frame beams (10).
Compared with the prior art, the assembled ribbed floor slab with the reserved anchor holes and the joint overlap edge structure has the following advantages:
(1) The stud connection has higher shear strength, the floor slab is provided with anchor holes at the corresponding positions of the studs and filled with grouting materials after the floor slab is assembled, the floor slab and the frame beam are reliably anchored together to form a whole, and the horizontal force is transmitted between the floor slab and the vertical stress member.
(2) The floor has girder overlap edge and the design form of the tooth-shaped joint, so that the adjacent floor has enough overlap length at the frame girder position, and meanwhile, the construction joint between the tooth-shaped joints increases the contact area of the floor and filling materials such as grouting materials, so that the adjacent floor is more reliably connected with the filling materials to form a whole, and the integrity of the adjacent floor is further increased.
(3) The arrangement of the plate ribs can obviously improve the bending rigidity and the out-of-plane rigidity of the floor slab. Meanwhile, a part of steel in the slab rib is positioned in the floor slab, so that the connection between the slab rib and the floor slab is enhanced, and the slab rib is beneficial to playing the role of the stiffening rib of the floor slab.
(4) The floor slab is produced in factories, the production quality of the components is guaranteed, the thickness of the floor slab is relatively thin, the manufacturing cost is low, the quality is light, and the lifting and the installation are convenient on site. Meanwhile, the invention is designed for large modular floor slabs, only the construction joints and the reserved anchor hole filling materials are post-poured, the construction is simple and convenient, and the construction time is greatly shortened. The method is favorable for rapidly promoting a large-scale new rural construction pace and realizing the aim of residential industrialization and building industrialization.
(5) The floor adopts single-row reinforcement, so that the steel consumption of the components is obviously reduced, and the manufacturing cost is reduced. Meanwhile, the floor slab has smaller thickness and light dead weight, and is favorable for transportation and assembly on the construction site. According to the invention, the floor slab concrete can be green and environment-friendly recycled concrete according to actual engineering requirements and environment-friendly requirements, and meets the national sustainable development requirements.
Description of the drawings:
FIG. 1 is a partial detail view of an assembled ribbed floor slab assembly configuration of a preformed anchor hole and a tooth seam overlap edge configuration;
FIG. 2 is a schematic view of an assembled ribbed floor steel skeleton with pre-formed anchor holes and a tooth seam overlap edge configuration;
FIG. 3 is a schematic view of an assembled ribbed floor slab of a preformed anchor hole and tooth seam lap construction;
FIG. 4 is a schematic view of the positioning of the connecting pegs;
fig. 5 is an assembly effect diagram of an assembled ribbed floor slab of a preformed anchor hole and a tooth seam overlap edge configuration.
In the figure: 1-section steel; 2-a round steel pipe; 3-a single-row reinforcement net; 4-connecting studs; 5-horsetail; 6-reserving anchor holes; 7-plate ribs; 8-floor slab concrete; 9, construction joints; 10-frame beams; 11-frame columns.
The specific embodiment is as follows:
the invention discloses an assembled ribbed floor slab with reserved anchor holes and a joint edge structure of a tooth-shaped joint, and the manufacturing method is explained by combining figures 1-5 and comprises the following steps:
the first step: the section steel is vertically welded to form a floor rib grid, and the tail end of the section steel is welded with a round steel pipe;
and a second step of: manufacturing a single-row reinforcement net with the required size of the floor slab, bending plate edge reinforcement bars into a shape of a toothed segment, placing the single-row reinforcement net at the bottom of the section steel, and welding and fixing the single-row reinforcement net with the section steel to form a floor slab steel skeleton;
and a third step of: the formwork is supported to form a toothed rack, floor slab concrete is poured at the plate surface position, plate rib concrete is poured at the section steel position, and anchor holes corresponding to the connection bolt positions of the frame beams are reserved at the toothed rack convex rack position; when in pouring, the single-row reinforcement net is poured in the middle of the floor slab concrete, the section steel bottom and the section steel section of the lower part are poured in the floor slab concrete, and the sections of the rest section steel sections of the upper part are poured in the slab rib concrete; after the concrete is cured, forming an assembled ribbed floor slab with a reserved anchor hole and a tooth joint edge structure;
fourth step: assembling at a construction site, pre-burying or pre-welding connecting studs on the frame beams, placing the floor slab on the frame beams, and respectively placing the connecting studs in corresponding anchor holes of the floor slab;
fifth step: and filling the connecting anchor holes and the construction joints of the adjacent floor slab and the toothed joints between the adjacent floor slabs to realize the connection between the floor slabs and the frame beams and between the adjacent floor slabs, and connecting the adjacent floor slabs and the frame beams into a whole.
The above is a typical embodiment of the present invention, but the implementation of the present invention is not limited thereto. The dimensions and materials of each structure listed in the present invention may be selected according to actual needs, and are not listed here.
Claims (8)
1. Assembled ribbed floor of reservation anchor eye and tooth joint limit structure, its characterized in that: the steel structure comprises profile steel (1), round steel pipes (2), a single-row reinforcement net (3), connecting bolts (4), a tooth-shaped joint (5), reserved anchor holes (6), plate ribs (7), floor slab concrete (8), construction joints (9), frame beams (10) and frame columns (11); the steel section (1) is vertically welded to form a floor slab rib grid, a round steel pipe (2) is welded at the tail end of the steel section (1), a single-row reinforcement net (3) with the required size of a floor slab is arranged at the bottom of the steel section (1), and the single-row reinforcement net is welded and fixed at a contact position with the bottom of the steel section (1), so that a floor slab steel skeleton is formed; pouring floor slab concrete (8), wherein during pouring, a single-row reinforcement net (3) is poured in the middle of the floor slab concrete (8), slab rib (7) concrete is poured at the position of the section steel (1), slab edges are poured into the shape of a horseshoe joint (5), anchor holes (6) are reserved at the positions of the horseshoe joint convex joints, the positions of the anchor holes correspond to the positions of connecting bolts (4) on a frame beam (10), and an assembled ribbed floor slab with reserved anchor holes and horseshoe joint edge structures is formed after concrete curing; when in assembly, the reserved anchor holes (6) sleeve the connecting bolts (4) on the frame beams (10) into the holes, grouting material is poured into the holes, and the connecting bolts (4) are anchored on the floor slab, so that the connection between the floor slab and the frame beams (10) is realized; filling construction joints (9) between adjacent floor slab edges with grouting materials, concrete or mortar, and pouring adjacent floor slabs together to realize the connection of the adjacent floor slabs;
the section steel (1) comprises I-steel, H-steel, channel steel or angle steel; according to the floor size, vertically welded section steel, and at least one section steel (1) is respectively arranged in each vertical direction; when the floor slab concrete (8) is poured, the bottom and the lower section steel sections of the section steel (1) are poured in the floor slab concrete (8), and the rest section steel sections of the upper part are poured in the slab rib (7) concrete; the diameter of the steel bars used by the single-row reinforcement mesh (3) is not smaller than 4mm, the reinforcement spacing is not smaller than 50mm, the steel bars are vertically arranged to form orthogonal steel bar meshes, and the orthogonal steel bar meshes are paved in a floor slab in a single piece mode; the plate edge steel bars are bent into the shape of the toothed joints of the floor slab corresponding to the positions of the toothed joints (5).
2. The assembled ribbed floor of the preformed anchor hole and tooth joint overlap construction of claim 1, wherein: the diameter of the round steel pipe (2) is the same as that of the reserved anchor hole (6), and the height is the sum of the thickness of the floor slab concrete (8) and the height of the slab rib (7).
3. The assembled ribbed floor of the preformed anchor hole and tooth joint overlap construction of claim 1, wherein: the connecting studs (4) are fixed on the frame beam (10), and when the frame beam (10) is a reinforced concrete beam, the connecting studs are embedded on the frame beam (10); when the frame beam (10) is a steel pipe concrete beam or a profile steel beam, pre-welding the frame beam (10); the exposed height of the connecting studs (4) on the frame beam (10) is smaller than the casting thickness of the floor slab concrete (8).
4. The assembled ribbed floor of the preformed anchor hole and tooth joint overlap construction of claim 1, wherein: the convex joints (5) are arranged along the plate edges, the shapes of the convex joints and the concave joints are the same, and the convex joints correspond to the concave joints of the adjacent plate edges; when the floor slab is installed on the frame beam (10), the horizontal distance between the bottom edge of the protruding joint of the floor slab and the joint edge of the frame beam (10), namely the minimum joint length of the floor slab on the frame beam, is not less than 30mm.
5. The assembled ribbed floor of the preformed anchor hole and tooth joint overlap construction of claim 1, wherein: the reserved anchor holes (6) are round holes, the aperture is not smaller than 40mm, and the reserved anchor holes are arranged in all the convex joints of the tooth joints (5) along the slab edges of the floor slab.
6. The assembled ribbed floor of the preformed anchor hole and tooth joint overlap construction of claim 1, wherein: the plate ribs (7) are formed after the section steel (1) is poured with concrete, and the height and the width of the plate ribs (7) are not smaller than 40mm; the thickness of the floor slab concrete (8) is 40 mm-80 mm, and the strength grade of the concrete is C30-C60.
7. The assembled ribbed floor of the preformed anchor hole and tooth joint overlap construction of claim 1, wherein: the construction joint (9) is a gap between adjacent floor slab joints, and the width of the gap is not less than 30mm; the grouting material, concrete or mortar used for filling the construction joint (9) has the strength not lower than that of the floor slab concrete (8).
8. The assembled ribbed floor slab of a preformed anchor hole and a joint overlap construction of any one of claims 1-7, characterized by the following method of manufacture:
the first step: vertically welding the section steel, and then welding a round steel pipe at the tail end of the section steel;
and a second step of: manufacturing a single-row reinforcement net with the required size of the floor slab, and bending plate edge reinforcement bars into a horse-tooth joint shape; placing a single-row reinforcement net at the bottom of the section steel, and welding and fixing the single-row reinforcement net with the section steel;
and a third step of: the formwork is supported to pour concrete, the formwork at the edges of the formwork is supported to form a toothed rack, floor slab concrete is poured at the plate surface position, plate rib concrete is poured at the section steel position, anchor holes are reserved at the convex rack position of the toothed rack, and the concrete is cured after pouring, so that an assembled ribbed floor slab with reserved anchor holes and a toothed rack joint edge structure is formed;
fourth step: assembling at a construction site, pre-burying or pre-welding connecting studs on the frame beams, placing the floor slab on the frame beams, and respectively placing the connecting studs in corresponding anchor holes of the floor slab;
fifth step: and filling the construction joint between the connecting anchor hole and the adjacent slab tooth joints to finish the connection between the slab and the frame beam and between the adjacent slabs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223426.1A CN108316534B (en) | 2018-03-19 | 2018-03-19 | Assembled ribbed floor slab with reserved anchor holes and bridge joint edge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223426.1A CN108316534B (en) | 2018-03-19 | 2018-03-19 | Assembled ribbed floor slab with reserved anchor holes and bridge joint edge structure |
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| Publication Number | Publication Date |
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| CN108316534A CN108316534A (en) | 2018-07-24 |
| CN108316534B true CN108316534B (en) | 2024-03-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386329Y (en) * | 2009-02-27 | 2010-01-20 | 张剑 | Structural system of novel fabricated shear wall and occluding floorslab |
| CN103290966A (en) * | 2013-06-20 | 2013-09-11 | 赵永利 | Floor slab component |
| CN103469949A (en) * | 2013-10-07 | 2013-12-25 | 王睿敏 | Prefabricated composite floor slab and floor slab layer as well as construction method |
| CN106703272A (en) * | 2017-02-03 | 2017-05-24 | 湖南诚友绿色建材科技有限公司 | Unidirectional dense-rib sandwich-type board of prestressed light-aggregate-concrete for making overlapped dense-rib floor slabs |
| CN107130718A (en) * | 2017-05-26 | 2017-09-05 | 江苏中城工业化住宅制造有限公司 | A kind of assembled steel skeleton light floor slab |
| CN107700727A (en) * | 2017-08-24 | 2018-02-16 | 华声（天津）国际企业有限公司 | A kind of ribbed concrete steel wire net rack composite plate |
| CN207998964U (en) * | 2018-03-19 | 2018-10-23 | 北京工业大学 | The assembled floorslab with bars of reserved anchor hole and horse tooth trough overlap edge construction |
-
2018
- 2018-03-19 CN CN201810223426.1A patent/CN108316534B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386329Y (en) * | 2009-02-27 | 2010-01-20 | 张剑 | Structural system of novel fabricated shear wall and occluding floorslab |
| CN103290966A (en) * | 2013-06-20 | 2013-09-11 | 赵永利 | Floor slab component |
| CN103469949A (en) * | 2013-10-07 | 2013-12-25 | 王睿敏 | Prefabricated composite floor slab and floor slab layer as well as construction method |
| CN106703272A (en) * | 2017-02-03 | 2017-05-24 | 湖南诚友绿色建材科技有限公司 | Unidirectional dense-rib sandwich-type board of prestressed light-aggregate-concrete for making overlapped dense-rib floor slabs |
| CN107130718A (en) * | 2017-05-26 | 2017-09-05 | 江苏中城工业化住宅制造有限公司 | A kind of assembled steel skeleton light floor slab |
| CN107700727A (en) * | 2017-08-24 | 2018-02-16 | 华声（天津）国际企业有限公司 | A kind of ribbed concrete steel wire net rack composite plate |
| CN207998964U (en) * | 2018-03-19 | 2018-10-23 | 北京工业大学 | The assembled floorslab with bars of reserved anchor hole and horse tooth trough overlap edge construction |
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| Publication number | Publication date |
|---|---|
| CN108316534A (en) | 2018-07-24 |
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