CN111608316A - Light steel floor structure of prefabricated building - Google Patents
Light steel floor structure of prefabricated building Download PDFInfo
- Publication number
- CN111608316A CN111608316A CN202010413628.XA CN202010413628A CN111608316A CN 111608316 A CN111608316 A CN 111608316A CN 202010413628 A CN202010413628 A CN 202010413628A CN 111608316 A CN111608316 A CN 111608316A
- Authority
- CN
- China
- Prior art keywords
- light steel
- steel floor
- floor system
- assembly type
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 28
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Floor Finish (AREA)
Abstract
The invention relates to a light steel floor system structure of an assembly type building, which comprises a light steel floor system, I-shaped inserting blocks arranged at four corners of the bottom end of the light steel floor system and prefabricated mounting seats which are arranged on a building base body or a supporting column and correspond to the I-shaped inserting blocks in position, wherein the I-shaped inserting blocks are matched with the prefabricated mounting seats; the light steel floor system is characterized in that two adjacent side walls of the light steel floor system are provided with lugs, the other two side walls of the light steel floor system are provided with grooves matched with the lugs in shape, and the two adjacent light steel floor systems are connected through the matching of the lugs and the grooves. The invention adopts the light steel floor structure, has short construction period, high construction efficiency, assembled structural design, convenient installation, high installation precision, close fit between floors, small gap and firm structure.
Description
Technical Field
The invention relates to the technical field of floor systems, in particular to a light steel floor system structure of an assembly type building.
Background
The building is a general term of buildings and structures, and is an artificial environment created by people by using the grasped material technical means and applying certain scientific laws, geomantic omen concepts and aesthetic rules to meet the needs of social life. The traditional building is mainly of a wood structure building, and the modern building is mainly of reinforced concrete. The floor system is an important component of modern buildings.
The superstructure refers to: the general name of all components such as floor slab, secondary beam and main beam used for bearing various floor functions between floors of a house. The flat slab is a slab-column structure system which is not provided with a beam, directly supports a floor slab on a column and directly transmits floor load to a foundation through the column. Flat slabs are commonly used in multi-storey industrial and civil buildings, such as malls, refrigerators, warehouses, etc. The traditional floor is generally of an integral structure and is formed by pre-binding a steel bar structure and then integrally pouring concrete, so that the floor is large in thickness, high in construction cost and long in construction period, and the problems of backward technology, low efficiency, high energy consumption and the like exist in the traditional floor construction.
Chinese patent application No. 201920627754.8 discloses an assembled composite structure dense-rib floor, this assembled composite structure dense-rib floor includes: combining steel beams and prefabricating a floor slab; the periphery of the prefabricated floor slab is arranged on the combined steel beam; the combined steel beam is connected with the concrete column; prefabricated floor slab includes: a cover plate main body and a connecting rod; the middle section of the connecting rod is arranged in the cover plate main body, and two ends of the connecting rod extend out of the cover plate main body; the two ends of the connecting rod are connected with the combined steel beam. Its floor board is precast concrete board, and this kind of superstructure lid is from great, and the assembly gap is big, needs later stage construction to fill the gap to this assembled structure is comparatively complicated, and the installation degree of difficulty is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a light steel floor structure of an assembly type building, which adopts an assembly type structure and has the advantages of short construction period, high construction efficiency and convenient installation.
The technical scheme adopted by the invention is as follows: a light steel floor system structure of an assembly type building comprises a light steel floor system, I-shaped inserting blocks arranged at four corners of the bottom end of the light steel floor system and prefabricated mounting seats which are arranged on a building base body or a supporting column and correspond to the I-shaped inserting blocks in position, wherein the I-shaped inserting blocks are matched with the prefabricated mounting seats;
the light steel floor system is characterized in that two adjacent side walls of the light steel floor system are provided with lugs, the other two side walls of the light steel floor system are provided with grooves matched with the lugs in shape, and the two adjacent light steel floor systems are connected through the matching of the lugs and the grooves.
Furthermore, the prefabricated mounting seat comprises a seat body, an I-shaped jack arranged on the upper end face of the seat body and a rivet pin through hole arranged on the side wall of the seat body, wherein the I-shaped insert block is provided with a rivet pin hole corresponding to the rivet pin through hole, and after the I-shaped insert block is inserted into the I-shaped jack hole, the rivet pin penetrates through the rivet pin through hole and the rivet pin hole to be riveted.
Furthermore, a fixing plate is arranged at the lower end of the seat body, an oblong hole is formed in the fixing plate, and the seat body is fixed on the base body or the support column through the fixing plate.
Furthermore, the light steel floor is of a hollow structure, and a partition plate which is vertically arranged is arranged in the light steel floor.
Further, the horizontal section of the partition board is in an arch shape, a rectangular shape or a corrugated shape.
Further, a cavity is formed between the two adjacent partition plates and the side wall of the light steel floor, and a filler is arranged in the cavity.
Further, the filler is spherical plastic particles.
Furthermore, the spherical plastic particles are formed by gluing a plurality of tetrahedrons.
Further, the filler is provided with a layer.
Further, the lug is T-shaped, dovetail-shaped or rectangular.
The invention has the positive effects that:
the invention adopts the light steel floor structure, the construction period is short, the construction efficiency is high, the assembly type structural design is adopted, the installation is convenient, the installation precision is high, the floor systems are tightly matched, the gap is small, and the structure is firm;
meanwhile, plastic is filled in the light steel floor system, so that the weight of the floor system body is reduced, construction and transportation are facilitated, the lightweight design requirement is met, and the three-layer filling structural design is adopted, so that the heat insulation effect of the inter-floor intervals is increased, the sound waves can be effectively absorbed and weakened, and the good sound insulation and noise reduction effects are achieved.
The invention not only solves the problems of backward traditional construction technology, low efficiency and large energy consumption, but also is beneficial to further improving the construction quality of the building, accelerating the construction speed, reducing the construction cost, comprehensively improving the construction process, improving the construction safety coefficient, and simultaneously being beneficial to the development of the building industry towards the scientific and healthy direction! The automatic, modernized and standardized construction road process of building construction is accelerated, and the functions and the quality of buildings such as houses and the like are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a prefabricated mounting base according to the present invention;
FIG. 3 is a schematic structural view of an I-shaped insert block according to the present invention;
FIG. 4 is a schematic view of the structure of a light steel floor according to the present invention;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view taken at B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of spherical plastic particles according to the present invention;
FIG. 8 is a schematic diagram of the tetrahedral structure of the present invention.
In the drawings, there is shown in the drawings,
1-light steel floor;
2-a groove;
3-a bump;
4-I-shaped inserting blocks;
5-riveting pin holes;
6-prefabricating a mounting seat, 601-a fixing plate, 602-a seat body, 603-an I-shaped jack, 604-a rivet pin through hole and 605-a long round hole;
7-riveting pins;
8-a separator;
9-spherical plastic particles.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in attached figures 1-8, the invention comprises a plurality of light steel floor systems 1 which are spliced with each other, I-shaped inserting blocks 4 which are arranged on four corners of the bottom end of each light steel floor system 1, and prefabricated installing seats 6 which are arranged on a building base body or a supporting column and correspond to the I-shaped inserting blocks 4 in position, wherein the I-shaped inserting blocks 4 are matched with the prefabricated installing seats 6 during installation.
The light steel floor system 1 is rectangular, the convex blocks 3 are arranged on one side wall of the light steel floor system 1 and one side wall adjacent to the light steel floor system 1, the grooves 2 matched with the convex blocks 3 in shape are arranged on the other two side walls of the light steel floor system 1, and the two adjacent light steel floor systems 1 are connected through the matching between the convex blocks 3 and the grooves 2, so that the light steel floor systems 1 can be spliced together, the construction time is saved, and the construction efficiency is improved. The projection 3 may be T-shaped, rectangular, dovetail-shaped or other shape, and the recess 2 is in a shape corresponding to the projection 3.
The light steel floor system 1 is of a hollow structure, a plurality of partition plates 8 which are vertically arranged are arranged inside the light steel floor system 1, the horizontal sections of the partition plates 8 can be arched or rectangular or corrugated, cavities are formed between every two adjacent partition plates and between the partition plates 8 and the side walls of the light steel floor system 1, three layers of fillers are arranged in the cavities, the fillers are spherical plastic particles 9, and the spherical plastic particles 9 are formed by gluing a plurality of tetrahedrons. Therefore, plastic can be filled in the light steel floor system, the weight of the floor system body is reduced, construction and transportation are facilitated, the light design requirement is met, meanwhile, the filled plastic is in a three-layer structural design, the heat insulation effect of the inter-floor intervals is increased, meanwhile, the sound waves can be effectively absorbed and weakened, and the good sound insulation and noise reduction effects are achieved.
As shown in fig. 1-3, the prefabricated mounting seat 6 includes a fixing plate 601, a seat body 602 disposed on the fixing plate 601, an i-shaped insertion hole 603 formed on an upper end surface of the seat body 602, and a rivet pin through hole 604 disposed on a sidewall of the seat body 602, a rivet pin hole 5 corresponding to the rivet pin through hole 604 is disposed on the i-shaped insertion block 4, during actual mounting, the i-shaped insertion block 4 is inserted into the i-shaped insertion hole 603, and then the rivet pin 7 passes through the rivet pin through hole 604 and enters the rivet pin hole 5 to be directly riveted, thereby realizing connection between the light steel floor and the support pillar or the base body
The fixing plate 601 is provided with an oblong hole 605, and the base body 602 is fixed on the base body or the support column through the fixing plate 601. During actual construction, the prefabricated mounting seat can be matched with a screw prefabricated on the base body or the support column through the long round hole 601, is fixedly connected through threads, and can also be directly welded on the support column or the base body through the fixing plate 601, so that the subsequent light steel floor system can be conveniently mounted.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the prefabricated mounting seat 6 is firstly mounted on a support column or a base body, then the light steel floor system 1 is lifted, the I-shaped insertion block 4 is matched with the prefabricated mounting seat 6, the I-shaped insertion block 4 is inserted into the I-shaped insertion hole 603, the rivet pin 7 penetrates through the rivet pin through hole 604 in the prefabricated mounting seat 6 to be matched with the rivet pin hole 5, the I-shaped insertion block 4 and the prefabricated mounting seat 6 are fixed, then the light steel floor system 1 is mounted on the support column or the base body, then the light steel floor system is sequentially mounted, meanwhile, the convex block 3 is matched with the groove 2, and the light steel floor system is sequentially assembled.
By means of the technical scheme, the problems of backward construction technology, low efficiency and high energy consumption of the traditional floor system are solved by applying the assembled floor system structure, the construction quality is further improved, the construction speed is accelerated, the construction cost is reduced, the construction process is comprehensively improved, and the construction safety coefficient is improved.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A light steel floor system structure of an assembly type building is characterized by comprising a light steel floor system (1), I-shaped inserting blocks (4) arranged at four corners of the bottom end of the light steel floor system (1) and prefabricated mounting seats (6) which are arranged on a building base body or a supporting column and correspond to the I-shaped inserting blocks (4) in position, wherein the I-shaped inserting blocks (4) are matched with the prefabricated mounting seats (6);
the light steel floor system is characterized in that two adjacent side walls of the light steel floor system (1) are provided with lugs (3), the other two side walls of the light steel floor system (1) are provided with grooves (2) matched with the lugs (3) in shape, and the two adjacent light steel floor systems (1) are connected through the matching between the lugs (3) and the grooves (2).
2. The light steel floor structure of an assembly type structure according to claim 1, wherein the prefabricated installation base (6) comprises a base body (602), an I-shaped insertion hole (603) formed in the upper end surface of the base body (602) and a rivet pin through hole (604) formed in the side wall of the base body (602), a rivet pin hole (5) corresponding to the rivet pin through hole (604) is formed in the I-shaped insertion block (4), and after the I-shaped insertion block (4) is inserted into the I-shaped insertion hole (603), the rivet pin (7) penetrates through the rivet pin through hole (604) and the rivet pin hole (5) to be riveted.
3. The light steel floor structure of an assembly type structure according to claim 2, wherein a fixing plate (601) is provided at the lower end of the seat body (602), an oblong hole (605) is provided on the fixing plate (601), and the seat body (602) is fixed on the base or the supporting column through the fixing plate (601).
4. The light steel floor structure of an assembly type structure according to claim 1, characterized in that the light steel floor (1) is a hollow structure, and a partition plate (8) is vertically installed in the light steel floor (1).
5. The light steel floor structure of an assembly type structure according to claim 4, wherein the horizontal section of the partition plate (8) is in an arch shape, a rectangular shape or a corrugated shape.
6. The light steel floor structure of an assembly type structure as claimed in claim 4, wherein a cavity is formed between two adjacent partition plates (8) and the partition plate (8) and the side wall of the light steel floor (1), and a filler is disposed in the cavity.
7. The light steel floor structure of prefabricated building according to claim 6, characterized in that said filler is spherical plastic particles (9).
8. The light steel floor structure of an assembly type structure according to claim 7, wherein said spherical plastic particles (9) are formed by bonding a plurality of tetrahedrons.
9. The light steel floor structure of a fabricated building according to any one of claims 6-8, wherein the filler is provided with 3 layers.
10. The light steel floor structure of an assembly type structure according to claim 1, wherein the projection (3) is T-shaped, dovetail-shaped or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413628.XA CN111608316A (en) | 2020-05-15 | 2020-05-15 | Light steel floor structure of prefabricated building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413628.XA CN111608316A (en) | 2020-05-15 | 2020-05-15 | Light steel floor structure of prefabricated building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111608316A true CN111608316A (en) | 2020-09-01 |
Family
ID=72203411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010413628.XA Pending CN111608316A (en) | 2020-05-15 | 2020-05-15 | Light steel floor structure of prefabricated building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111608316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323219A (en) * | 2021-04-15 | 2021-08-31 | 广东现代建筑设计与顾问有限公司 | Method and device for fixing floor structure |
| CN114059697A (en) * | 2021-10-10 | 2022-02-18 | 嘉博联合设计股份有限公司 | Floor system structure of prefabricated concrete structure and construction method |
-
2020
- 2020-05-15 CN CN202010413628.XA patent/CN111608316A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323219A (en) * | 2021-04-15 | 2021-08-31 | 广东现代建筑设计与顾问有限公司 | Method and device for fixing floor structure |
| CN114059697A (en) * | 2021-10-10 | 2022-02-18 | 嘉博联合设计股份有限公司 | Floor system structure of prefabricated concrete structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201661021U (en) | Prefabricated reinforced concrete stair | |
| CN110130527B (en) | Modular assembly type composite wall, assembly type building structure system and construction method | |
| CN111608316A (en) | Light steel floor structure of prefabricated building | |
| US7891150B2 (en) | Composite truss | |
| CN117569448B (en) | Beam-column joint applicable to formwork-free system of multi-high-rise factory building and construction method | |
| CN109610654B (en) | Prefabricated assembly type double-steel-plate concrete shear wall connecting assembly and using method thereof | |
| CN204475580U (en) | Wall panel assembly and full prefabricated building | |
| CN201826392U (en) | Reinforced concrete construction adopting precast reinforced building blocks, as well as vibration isolation and absorption system thereof | |
| CN214531068U (en) | Assembled steel structure house | |
| CN111502142B (en) | Modular stair structure of prefabricated building | |
| CN210767437U (en) | Assembled light floor | |
| CN212317266U (en) | Light steel floor structure of prefabricated building | |
| WO2020125378A1 (en) | One-way precast hollow slab having gradually varying cross section for laminated slab of agglomeration building | |
| CN112982824A (en) | Notch steel beam with flange embedded into floor slab, floor slab structure and construction method | |
| CN201771075U (en) | Reinforced concrete hollow floorslab | |
| CN108193800B (en) | Assembled composite shear wall and connection structure thereof with steel beam and floor slab | |
| CN217759561U (en) | High-ductility concrete light composite wallboard | |
| CN110939218A (en) | Assembled profiled steel sheet composite shear wall and construction method thereof | |
| CN113789926A (en) | Assembled full-prefabricated staircase and assembled staircase building | |
| CN211850931U (en) | Split assembling block building staircase | |
| CN110741125B (en) | Flat building element for producing a horizontal building structure | |
| CN219794182U (en) | Assembled dense rib plate building structure and building | |
| CN218466825U (en) | Light high-bearing concrete laminated slab | |
| CN214117176U (en) | Prefabricated superimposed sheet of assembled PC | |
| CN211774960U (en) | Large-span superposed PCU (Power control Unit) cylindrical core concrete hollow slab |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |