CN218667871U - Floor structure of assembled building - Google Patents
Floor structure of assembled building Download PDFInfo
- Publication number
- CN218667871U CN218667871U CN202223172667.9U CN202223172667U CN218667871U CN 218667871 U CN218667871 U CN 218667871U CN 202223172667 U CN202223172667 U CN 202223172667U CN 218667871 U CN218667871 U CN 218667871U
- Authority
- CN
- China
- Prior art keywords
- floor
- prestressed
- flat
- plates
- beams
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model provides a floor structure of assembled building. The floor structure comprises limiting steel bars fixedly arranged on stand columns, bottom end faces of prestressed flat beams are flush with bottom end faces of floor slabs, the prestressed flat beams are placed between two adjacent stand columns, the whole floor is divided into a plurality of filling areas by the prestressed flat beams, and the filling areas are filled by one or more floor slabs; the floor slab and the prestressed flat beam are connected into a whole in the left and right directions by the transverse steel cable; the longitudinal steel cable connects the floor slab and the prestressed flat beam in the front and back direction to form a whole. This application is through setting up floor and the flat roof beam of prestressing force to put floor and the flat roof beam of prestressing force on the stand, can carry out preliminary location to floor and the flat roof beam of prestressing force through spacing reinforcing bar, can guarantee its performance when reducing its height through the flat roof beam of prestressing force, because the bottom face looks parallel and level of floor and the flat roof beam of prestressing force, can guarantee the usage space of lower floor's floor.
Description
Technical Field
The utility model belongs to building structure field especially relates to a floor structure of assembled building.
Background
In a common assembly type building, a beam is a reinforced concrete superposed beam and is in a non-prestressed structure. The height of the beam is far greater than the thickness of the plate erected on the beam, and the upper surface of a floor is required to be flat, so the upper end surface of the plate is generally flush with the upper end surface of the beam, or the plate is directly placed on the beam to realize the laying of the floor.
The existing floor structure has the following defects due to the laying mode: the beam will project to the lower part of the floor, thereby reducing the use space of the floor below and leading the room space to be used insufficiently and reasonably.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a floor structure of assembled building for solve among the prior art roof beam to the protrusion of floor below, reduce the usage space of below floor, lead to the house space to obtain abundant, the reasonable technical problem who uses.
In order to realize above-mentioned purpose and other relevant mesh, the utility model provides a floor structure of assembled building, the floor structure includes:
the limiting reinforcing steel bars are fixedly arranged on the upper end surface of the upright post along the length direction of the upright post;
the floor comprises a plurality of floors and a plurality of prestressed flat beams, wherein the bottom end surfaces of the prestressed flat beams are flush with the bottom end surfaces of the floors, the prestressed flat beams are placed between two adjacent upright posts and divide the whole floor into a plurality of filling areas, each filling area is filled with the floors, and the limiting reinforcing steel bars upwards penetrate through the prestressed flat beams and the upper and lower end surfaces of the floors;
the transverse steel cables are parallel to each other, penetrate through the left side wall and the right side wall of the whole floor in the left-right direction and connect the floor slab and the prestressed flat beam into a whole in the left-right direction;
the longitudinal steel cables penetrate through the front side wall and the rear side wall of the whole floor in the front-rear direction and connect the floor slab and the prestressed flat beam into a whole in the front-rear direction.
As an alternative, the prestressed flat beam is divided into an edge beam positioned at the boundary of a floor and a central flat beam positioned in the central area of the floor;
the central flat beam is transversely or longitudinally arranged between two adjacent upright posts, and the central flat beams divide the whole floor into a plurality of filling areas.
As an alternative, the edge beam and the central flat beam respectively comprise two side plates, two end plates, prestressed steel cables and connecting plates;
the prestressed steel cable is characterized in that a rectangular cavity is formed by the two side plates and the two end plates in a surrounding mode, concrete is filled in the rectangular cavity, the length direction of each side plate is the length direction of the prestressed flat beam, the prestressed steel cables are located in the rectangular cavity, the prestressed steel cables are fixedly connected between the two end plates, the connecting plates are fixedly connected between the two side plates, and the connecting plates are located above the prestressed steel cables.
As an alternative, a wing plate is fixedly connected to one of the side plates of the edge beam, the bottom end face of the wing plate is flush with the bottom end face of the side plate, and the floor is placed on the wing plate.
As an alternative scheme, wing plates are fixedly connected to two side plates of the central flat beam, the bottom end faces of the wing plates are flush with the bottom end faces of the side plates, and the floor is placed on the wing plates.
As an alternative, the bottom end face of the floor slab is provided with a notch matched with the wing plate, and the bottom end face of the floor slab is flush with the bottom end face of the wing plate.
Alternatively, the height of the prestressed flat beam is lower than that of the floor slab, concrete is filled above the prestressed flat beam to form a concrete layer, and the upper end face of the concrete is flush with the upper end face of the floor slab.
As an alternative scheme, arc-shaped grooves penetrating through the left side wall and the right side wall of each floor slab are formed in the front side wall and the rear side wall of each floor slab, the adjacent arc-shaped grooves of the floor slabs are communicated to form through holes, and the through holes are communicated with the area above the upper end face of the prestressed flat beam.
As an alternative scheme, the transverse steel cable is arranged in a shape like a Chinese character ji, two lower bottom edges of the Chinese character ji penetrate through the left side wall and the right side wall of the floor slab, and the upper top edge of the Chinese character ji bypasses the upper end face of the longitudinal central flat beam;
one end of the transverse steel cable is fixedly connected with the boundary beam on the left side of the floor, and the other end of the transverse steel cable is fixedly connected with the boundary beam on the right side of the floor.
As an alternative, the longitudinal steel cables penetrate through the side beams on the front side, the front and rear side walls of the floor of the filling area, the transverse center flat beam and the side beams on the rear side;
one end of the longitudinal steel cable is fixedly connected with the boundary beam on the front side, and the other end of the longitudinal steel cable is fixedly connected with the boundary beam on the rear side.
As above, the utility model discloses a floor structure of assembled building has following beneficial effect at least:
1. according to the floor, the bottom wall of the prestressed flat beam and the bottom wall of the floor are placed on the stand column, so that the bottom end face of the prestressed flat beam is flush with the bottom end face of the floor, the use space of a floor below is guaranteed, and the house space is fully and reasonably utilized;
2. the transverse steel cable and the longitudinal steel cable are arranged, so that the whole floor can be connected into a whole, and the common working performance of the prestressed flat beam laid on the upright post and the floor slab is further enhanced;
3. this application is through setting up the through-hole to make the through-hole be linked together with the region of prestressing force flat beam up end top, when filling the concrete between the difference in height to between prestressing force flat beam and the floor, the concrete will flow into in the through-hole, be convenient for further fixed and spacing floor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upright post and flat beam of the present invention;
fig. 3 is a schematic structural diagram of the present invention at a in fig. 1;
fig. 4 is a schematic structural diagram of the present invention at B in fig. 1;
fig. 5 shows a structural cross-sectional view of a floor slab of the present invention;
FIG. 6 is a structural cross-sectional view of the boundary beam of the present invention;
FIG. 7 is a cross-sectional view of the center flat beam of the present invention;
figure 8 shows a cross-sectional view of a transverse structure of a floor structure of the present invention;
fig. 9 shows a longitudinal structural sectional view of the floor structure of the present invention.
In the figure: 101. a column; 102. limiting the reinforcing steel bars;
2. a floor slab; 201. a notch; 202. an arc-shaped groove; 203. a through hole;
301. a side plate; 302. an end plate; 303. prestressed steel cables; 304. a connecting plate; 305. a wing plate;
310. a boundary beam; 320. a central flat beam;
4. filling the area; 5. a transverse wire rope; 6. a longitudinal steel cord.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 9. It should be understood that the structures, the proportions, the sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the essential technical meaning, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope which can be covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1 to 3, 8 and 9, the present invention provides a floor structure of an assembly type building, which includes:
the limiting steel bars 102 are fixedly arranged on the upper end surface of the upright post 101 along the length direction of the upright post 101;
the floor comprises a plurality of floor slabs 2 and a plurality of prestressed flat beams, wherein the bottom end faces of the prestressed flat beams are flush with the bottom end faces of the floor slabs 2, the prestressed flat beams are placed between two adjacent upright columns 101, the whole floor is divided into a plurality of filling areas 4 by the prestressed flat beams, each filling area 4 is filled by the floor slab 2, and the limiting steel bars 102 upwards penetrate through the prestressed flat beams and the upper end faces and the lower end faces of the floor slabs 2;
the number of the floor slabs 2 in the filling area 4 is one, and the whole filling area 4 is directly filled by one floor slab 2;
the horizontal steel cables 5 are parallel to each other, the horizontal steel cables 5 penetrate through the left side wall and the right side wall of the whole floor in the left-right direction, and the floor slab 2 and the prestressed flat beam are connected into a whole in the left-right direction;
the longitudinal steel cables 6 are parallel to each other, the axes of the longitudinal steel cables 6 are perpendicular to the axes of the transverse steel cables 5, the longitudinal steel cables 6 penetrate through the front side wall and the rear side wall of the whole floor in the front-rear direction, and the floor 2 and the prestressed flat beam are connected into a whole in the front-rear direction.
The pre-positioning method comprises the steps of firstly placing a pre-stressed flat beam between two upright posts 101, enabling limiting steel bars 102 to penetrate through the pre-stressed flat beam to achieve pre-positioning of the pre-stressed flat beam, then placing a floor slab 2 in a filling area 4, enabling the limiting steel bars 102 to penetrate through four corners of the floor slab 2 to achieve pre-positioning of the floor slab 2, then enabling transverse steel cables 5 to penetrate from left to right, enabling longitudinal steel cables 6 to penetrate from front to back, and achieving floor laying.
In this embodiment, referring to fig. 2, the prestressed flat beam is divided into an edge beam 310 located at the boundary of a floor and a central flat beam 320 located in the central area of the floor;
the central flat beam 320 is transversely or longitudinally arranged between two adjacent vertical columns 101, and the central flat beams 320 divide the whole floor into a plurality of filling areas 4.
In this embodiment, referring to fig. 3 and fig. 7, each of the edge beam 310 and the central flat beam 320 includes two side plates 301, two end plates 302, a prestressed steel cable 303, and a connecting plate 304;
the two side plates 301 and the two end plates 302 enclose a rectangular cavity, concrete is filled in the rectangular cavity, the length direction of the side plates 301 is the length direction of the prestressed flat beam, the prestressed steel cable 303 is located in the rectangular cavity, the prestressed steel cable 303 is fixedly connected between the two end plates 302, the connecting plates 304 are fixedly connected between the two side plates 301, and the connecting plates 304 are located above the prestressed steel cable 303.
Through the prestressed steel cable 303 and the connecting plate 304, the lower end face and the upper end face of the prestressed flat beam can be controlled by tension and pressure, the prestressed flat beam is prevented from being inverted and arched in the production and use processes, and the use performance of the prestressed flat beam is guaranteed.
In this embodiment, referring to fig. 6, a wing plate 305 is fixedly connected to one side plate 301 of the side beam 310, the bottom end surface of the wing plate 305 is flush with the bottom end surface of the side plate 301, and the floor slab 2 is placed on the wing plate 305;
the wing plates 305 may be integrally formed with the side walls or may be welded together by welding.
By providing the wing plate 305 on the side plate 301 of the edge beam 310, it is ensured that the floor 2 is placed on the wing plate 305 when placed on the edge beam 310, thereby improving the support of the floor 2.
In this embodiment, referring to fig. 7, wing plates 305 are fixedly connected to both side plates 301 of the central flat beam 320, bottom end surfaces of the wing plates 305 are flush with bottom end surfaces of the side plates 301, and the floor slab 2 is placed on the wing plates 305;
here, the wing plate 305 is integrally provided with the side wall, or may be welded together by welding.
Through all setting up pterygoid lamina 305 at two curb plates 301 of center flat beam 320, can guarantee that floor 2 can put on stand 101 and pterygoid lamina 305, improve floor 2's support nature.
In this embodiment, referring to fig. 5, 8 and 9, the bottom end surface of the floor slab 2 is provided with a notch 201 matched with the wing plate 305, and the bottom end surface of the floor slab 2 is flush with the bottom end surface of the wing plate 305.
Here, the number of floor slabs 2 in the filling area 4 may be plural due to the wing plates 305, and filling of the filling area 4 is realized by placing plural floor slabs 2 between the wing plates 305.
Through the matching of the notch 201 of the floor 2 and the wing plates 305, when the floor 2 is placed between the wing plates 305, the bottom end surface of the floor 2 can be leveled with the bottom end surface of the wing plates 305, and the flatness of the lower surface of the floor can be realized.
In this embodiment, please refer to fig. 9, the height of the prestressed flat beam is lower than that of the floor slab 2, concrete is filled above the prestressed flat beam to form a concrete layer, and the upper end surface of the concrete is flush with the upper end surface of the floor slab 2.
By setting the height of the prestressed flat beam to be lower, the concrete poured on the prestressed flat beam can be connected with the floor slab 2 adjacent to the prestressed flat beam into a whole, so that the integrity of the prestressed flat beam is improved.
In this embodiment, referring to fig. 4, 5 and 9, the front and rear side walls of each floor slab 2 are provided with arc grooves 202 penetrating through the left and right side walls thereof, the arc grooves 202 of adjacent floor slabs 2 are communicated to form through holes 203, and the through holes 203 are communicated with an area above the upper end surface of the prestressed flat beam.
If only one floor slab 2 is arranged in the filling area 4, when concrete is poured on the prestressed flat beam, the concrete also enters the arc-shaped groove 202, so that the connection performance of the prestressed flat beam and the floor slab 2 is enhanced;
if there are a plurality of floor slabs 2 in the filling area 4, when concrete is poured on the prestressed flat beam, the concrete will also enter the through hole 203, enhancing the connection performance of the prestressed flat beam and the floor slabs 2.
In this embodiment, referring to fig. 8, the transverse steel cable 5 is arranged in a shape like a Chinese character ji, two lower bottom edges of the shape like the Chinese character ji penetrate through the left and right side walls of the floor slab 2, and an upper top edge of the shape like the Chinese character ji bypasses the upper end surface of the longitudinal central flat beam 320;
one end of the transverse steel cable 5 is fixedly connected with the boundary beam 310 on the left side of the floor, and the other end of the transverse steel cable 5 is fixedly connected with the boundary beam 310 on the right side of the floor.
The floor 2, the longitudinal central flat beam 320, the left side edge beam 310 and the right side edge beam 310 can be integrally connected in the left-right direction through the transverse steel cables 5.
In this embodiment, referring to fig. 9, the longitudinal steel cables 6 penetrate the side beams 310 at the front side, the front and rear side walls of the floor of the filling area 4, the transverse center flat beam 320 and the side beams 310 at the rear side;
one end of the longitudinal steel cable 6 is fixedly connected with the side beam 310 at the front side, and the other end of the longitudinal steel cable 6 is fixedly connected with the side beam 310 at the rear side.
The floor 2, the transverse central flat beam 320, the front side edge beam 310 and the rear side edge beam 310 can be integrally connected in the front-rear direction through the longitudinal steel cables 6.
To sum up, the utility model discloses, put boundary beam 310 between two stands 101 in the outside, central flat beam 320 is put at central zone, form individual filling area 4, place a plurality of floor 2 on the pterygoid lamina 305 in the filling area 4 again, pass boundary beam 310 with horizontal cable wire 5, the through-hole 203 of the left and right directions that reserves on central flat beam 320 and the floor 2, and with both ends rigid coupling respectively on the boundary beam 310 of the left and right sides, pass boundary beam 310 with vertical cable wire 6, the through-hole 203 of the fore-and-aft direction that reserves on central flat beam 320 and the floor 2, and with both ends rigid coupling respectively on the boundary beam 310 of both sides in the front and back.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A floor structure of an assembled building, the floor structure comprising:
the limiting reinforcing steel bars are fixedly arranged on the upper end surface of the upright post along the length direction of the upright post;
the floor comprises a plurality of floors and a plurality of prestressed flat beams, wherein the bottom end surfaces of the prestressed flat beams are flush with the bottom end surfaces of the floors, the prestressed flat beams are placed between two adjacent upright posts and divide the whole floor into a plurality of filling areas, each filling area is filled with the floors, and the limiting reinforcing steel bars upwards penetrate through the prestressed flat beams and the upper and lower end surfaces of the floors;
the transverse steel cables are parallel to each other, penetrate through the left side wall and the right side wall of the whole floor in the left-right direction and connect the floor slab and the prestressed flat beam into a whole in the left-right direction;
the longitudinal steel cables penetrate through the front side wall and the rear side wall of the whole floor in the front-rear direction and connect the floor slab and the prestressed flat beam into a whole in the front-rear direction.
2. The floor structure of an assembled building according to claim 1, wherein the prestressed flat beam is divided into an edge beam located at the boundary of the floor and a central flat beam located in the central area of the floor;
the central flat beam is transversely or longitudinally arranged between two adjacent upright posts, and the central flat beams divide the whole floor into a plurality of filling areas.
3. The floor structure of an assembled building according to claim 2, wherein the edge beams and the center flat beam each comprise two side plates, two end plates, a prestressed cable, and a connecting plate;
the prestressed steel cable is characterized in that a rectangular cavity is formed by the two side plates and the two end plates in a surrounding mode, concrete is filled in the rectangular cavity, the length direction of each side plate is the length direction of the prestressed flat beam, the prestressed steel cables are located in the rectangular cavity, the prestressed steel cables are fixedly connected between the two end plates, the connecting plates are fixedly connected between the two side plates, and the connecting plates are located above the prestressed steel cables.
4. A storey structure of an assembled building according to claim 3 wherein a wing panel is secured to one of the side plates of the edge beam and the bottom end face of the wing panel is flush with the bottom end face of the side plate, the floor slab being located on the wing panel.
5. The floor structure of an assembled building according to claim 3, wherein wing plates are fixedly connected to both side plates of the center flat beam, bottom end surfaces of the wing plates are flush with bottom end surfaces of the side plates, and the floor slab is placed on the wing plates.
6. The floor structure of the fabricated building according to claim 4 or 5, wherein the bottom end surface of the floor slab is provided with a notch matched with the wing plate, and the bottom end surface of the floor slab is flush with the bottom end surface of the wing plate.
7. The floor structure of an assembled building according to claim 1, wherein the prestressed flat beams have a height lower than that of the floor slab, and concrete is filled above the prestressed flat beams to form a concrete layer, and the upper end surfaces of the concrete layer are flush with the upper end surfaces of the floor slab.
8. The storey structure of claim 7 wherein the floor slabs are provided with arcuate grooves through the left and right side walls, the arcuate grooves of adjacent slabs communicating as through holes, the through holes communicating with the area above the upper end of the flat prestressed beams.
9. The floor structure of an assembled building according to claim 3, wherein the transverse steel cable is arranged in a shape like a Chinese character 'ji', two lower bottom edges of the shape like the Chinese character 'ji' penetrate through the left and right side walls of the floor slab, and an upper top edge of the shape like the Chinese character 'ji' bypasses the upper end surface of the longitudinal central flat beam;
one end of the transverse steel cable is fixedly connected with the boundary beam on the left side of the floor, and the other end of the transverse steel cable is fixedly connected with the boundary beam on the right side of the floor.
10. A storey structure of an assembled building according to claim 3 wherein the longitudinal cables extend through the front side edge beams, the front and rear side walls of the storey of the infill area, the transverse central flat beam and the rear side edge beams;
one end of the longitudinal steel cable is fixedly connected with the boundary beam on the front side, and the other end of the longitudinal steel cable is fixedly connected with the boundary beam on the rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172667.9U CN218667871U (en) | 2022-11-28 | 2022-11-28 | Floor structure of assembled building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172667.9U CN218667871U (en) | 2022-11-28 | 2022-11-28 | Floor structure of assembled building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218667871U true CN218667871U (en) | 2023-03-21 |
Family
ID=85540549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223172667.9U Active CN218667871U (en) | 2022-11-28 | 2022-11-28 | Floor structure of assembled building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218667871U (en) |
-
2022
- 2022-11-28 CN CN202223172667.9U patent/CN218667871U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104652671A (en) | Prefabricated assembly-type concrete outer-hanging wallboard fixing device and installation method | |
| CN106381923A (en) | Multilayer architectural structure adopting prefabricated panel and construction method thereof | |
| KR101191502B1 (en) | Structure system using bar truss integrated asymmetry h-beam and end beam | |
| CN210032272U (en) | Beamless hollow floor construction structure based on slow bonding prestressed tendon | |
| CN204645343U (en) | Prefabricated assembled concrete out-hung panel fastening devices | |
| CN218667871U (en) | Floor structure of assembled building | |
| CN216076471U (en) | Reinforced filling wall structure | |
| CN214833491U (en) | Prefabricated component of assembled building | |
| CN205776719U (en) | A kind of basement floor constructions | |
| CN213267474U (en) | Combined beam structure | |
| CN212271392U (en) | Light thermal insulation wall | |
| CN209780081U (en) | Light assembling stairway with steel concrete combined flat bottom plate and filler | |
| CN210712904U (en) | Tower crane foundation structure | |
| CN113445652A (en) | Plate end slotted hole SP hollow composite slab-steel beam connecting structure and construction method thereof | |
| CN214992988U (en) | Prefabricated reinforced concrete box girder structure of oblique crossing double bridge | |
| CN210263357U (en) | Floor cement component | |
| CN110616851A (en) | Floor system device with beam and provided with flat support column cap and construction method of floor system device | |
| JP2624479B2 (en) | How to build a ramen structure | |
| CN218622573U (en) | Connecting structure of upper and lower vertical columns of assembly type building | |
| CN219158117U (en) | Pipeline blocking-free laminated slab without leveling layer | |
| CN216865651U (en) | Prestressed composite floor slab with upper reverse ribs | |
| CN217811581U (en) | Multilayer large-space cantilever type reinforced concrete frame structure of building | |
| CN113266098B (en) | Novel large-span rib beam laminated slab and construction method | |
| CN219840264U (en) | Prefabricated shear wall and energy-consumption ductile prefabricated shear wall structure system | |
| CN211873332U (en) | Bidirectional large-span building structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |