CN211949007U - Prefabricated shear force wall and floor connected node - Google Patents
Prefabricated shear force wall and floor connected node Download PDFInfo
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- CN211949007U CN211949007U CN201922423675.8U CN201922423675U CN211949007U CN 211949007 U CN211949007 U CN 211949007U CN 201922423675 U CN201922423675 U CN 201922423675U CN 211949007 U CN211949007 U CN 211949007U
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- 239000007787 solid Substances 0.000 claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 20
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 3
- 241001330002 Bambuseae Species 0.000 abstract description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 3
- 239000011425 bamboo Substances 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a precast shear wall and floor connected node, it includes first solid wall (1) and the solid wall of second (2) of vertical connection, junction fixed connection floor (3) of first, two solid walls, the bottom of first solid wall sets up first vertical closed ring steel bar (12), the top of the solid wall of second sets up the vertical closed ring steel bar of second (22), first vertical closed ring steel bar with the section of thick bamboo (4) is watered after the vertical closed ring steel bar of second mutual lock formation, just tie up the level in the section of thick bamboo of watering after and attach and add muscle (41). The utility model discloses avoided muffjoint's counterpoint operation, it is lower also to require to the perpendicular reinforcing bar reservation degree of accuracy of the wall body of being under construction in earlier stage, therefore make production, construction more simple, convenient.
Description
Technical Field
The utility model relates to an assembly type structure, concretely relates to prefabricated shear force wall and floor connected node.
Background
The existing prefabricated shear wall used in the fabricated building, such as an outer wall, is generally a solid shear wall, and the vertical connection of the existing prefabricated shear wall is a sleeve connection or a slurry anchor connection.
In the manner of sleeve connection, the sleeve is required to be accurately positioned in factory production, and a positioning steel plate is required to be arranged when the sleeve leaves a factory, so that the production cost is increased, the weight of a component is heavier (because the component is a solid wall), and the transportation efficiency is low. The requirement to the tower crane is also higher during site operation hoist and mount, and turnover efficiency is slower, needs professional grout team operation during the installation, and is higher to occupational level requirement, and needs the overall process record, probably has reinforcing bar and telescopic deviation in the time of counterpointing, therefore has very high requirement to the degree of accuracy of the perpendicular reinforcing bar reservation of the wall body of being under construction in earlier stage, if the deviation is great still need adopt bar planting technique or abandon the component to influence time limit for a project and cost. In the later period of detection, it cannot be judged how the grouting compactness is, and the general grouting material needs to reach C80 or above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, it is not enough to overcome prior art, provides a more simple and convenient precast shear wall of production construction and floor connected node.
In order to solve the technical problem, the utility model provides a precast shear wall and floor connected node, including the first solid wall and the second solid wall of vertical connection, the junction fixed connection floor of first, two solid walls, wherein:
a first vertical closed annular reinforcing steel bar is arranged at the bottom of the first solid wall;
a second vertical closed annular reinforcing steel bar is arranged at the top of the second solid wall;
the first vertical closed annular reinforcing steel bars and the second vertical closed annular reinforcing steel bars are buckled with each other to form a post-cast section of cast-in-place concrete, and horizontal additional ribs are bound in the post-cast section.
The utility model discloses set up first vertical closed annular reinforcing bar in the bottom of first solid wall, set up the vertical closed annular reinforcing bar of second at the top of the solid wall of second, and set up the horizontal additional muscle inside it after first vertical closed annular reinforcing bar and the mutual lock of the vertical closed annular reinforcing bar of second to cast in situ concrete forms the back section of thick bamboo of watering and can realize the connection of first, two solid walls. The connection mode avoids the alignment operation of the sleeve connection, and has lower requirement on the reservation accuracy of the vertical steel bars of the wall body constructed in the earlier stage, thereby ensuring that the production and the construction are simpler and more convenient.
Further, a floor slab connecting port is arranged below the second vertical closed annular reinforcing steel bar of the second solid wall; the floor slab comprises a prefabricated layer and a cast-in-place layer which are overlapped up and down, and horizontal steel bars in the cast-in-place layer extend into the floor slab connecting port and are bound and fixed with horizontal steel bars of the second solid wall in a locked state to be cast in place into a whole.
In order to improve the strength of the connecting node, the first vertical closed annular reinforcing steel bar is formed by extending the vertical reinforcing steel bar of the first solid wall downwards; the second vertical closed ring-shaped reinforcing steel bar is formed by upwards extending the vertical reinforcing steel bars of the second solid wall.
Furthermore, the post-pouring section is positioned above the floor slab, and the height of the post-pouring section is 200-300mm, so that the line boxes are embedded in the range conveniently, the connection between the pipelines in the slab and the vertical pipelines is facilitated, and the operation is simple and convenient.
In order to further ensure the connection strength of the floor slab and the second solid wall, the horizontal bottom rib in the prefabricated layer of the floor slab extends into the floor slab connection port of the second solid wall and is bound and fixed with the horizontal steel bar of the second solid wall.
Furthermore, a plurality of first cavities distributed in the vertical direction are arranged in the first solid wall, and a plurality of second cavities distributed in the vertical direction are arranged in the second solid wall, so that the weight of the prefabricated shear wall is reduced, the installation and the transportation are facilitated, and the option of hoisting equipment is increased.
Specifically, the prefabricated layer of floor is connected through the support reinforcement between the cast-in-place layer, just the thickness of floor is 130mm, and the thickness on prefabricated layer is 60 mm.
In order to improve the heat insulation effect of the building, a first heat insulation layer is arranged outside the first solid wall, and a second heat insulation layer is arranged outside the second solid wall.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention (the horizontal bottom rib of the solid shear wall and the floor slab with the cavity does not extend out).
FIG. 2 is a top view of first and second solid walls (A-A in the figure shows the cut-away position of FIG. 1).
Fig. 3 is a schematic view showing the process of fastening the first and second vertical closed ring-shaped reinforcing bars of the first and second solid walls to each other.
Fig. 4 is a schematic structural view of a second embodiment of the present invention (the horizontal bottom rib of the solid shear wall and the floor slab with the cavity extends out).
Fig. 5 is a schematic structural view of a third embodiment of the present invention (the horizontal bottom rib of the solid shear wall and the floor slab without the cavity is not extended).
FIG. 6 is a top view of the first and second solid walls according to the third embodiment (wherein A-A represents the cut-away position of FIG. 5).
Fig. 7 is a schematic structural view of a fourth embodiment of the present invention (the horizontal bottom rib of the solid shear wall and the floor slab without the cavity is extended).
In the figure: 1. a first solid wall; 11. a first cavity; 12. a first vertical closed loop reinforcement; 13. a first insulating layer;
2. a second solid wall; 21. a second cavity; 22. a second vertical closed loop reinforcement; 23. floor slab connectors; 24. a second insulating layer;
3. a floor slab; 31. prefabricating a layer; 32. a cast-in-place layer; 33. supporting the reinforcing steel bars; 311. a horizontal bottom rib; 321. horizontal steel bars of a cast-in-place layer;
4. post-pouring sections; 41. and horizontally adding ribs.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, the embodiment of the precast shear wall and floor slab connection node of the present invention includes a first solid wall 1, a second solid wall 2 and a floor slab 3.
A plurality of first cavities 11 distributed in the vertical direction are arranged in the first solid wall 1, and the vertical steel bars of the first solid wall 1 extend downwards to form a first vertical closed annular steel bar 12.
A plurality of second cavities 21 distributed in the vertical direction are arranged in the second solid wall 2, and the vertical steel bars of the second solid wall 2 extend upwards to form second vertical closed annular steel bars 22. The top of the second solid wall 2 forms a floor connector 23.
The floor slab 3 comprises a prefabricated layer 31 and a cast-in-place layer 32, and the prefabricated layer 31 is connected with the cast-in-place layer 32 through a support steel bar 33. The thickness of the floor slab 3 is 130mm, and the thickness of the precast layer 31 is 60 mm.
The first vertical closed annular reinforcing steel bar 12 of the first solid wall 1 and the second vertical closed annular reinforcing steel bar 22 of the second solid wall 2 are buckled with each other to form a post-cast section 4, and a horizontal additional rib 41 is bound in the post-cast section 4. The horizontal steel bar 321 of the cast-in-place layer of the floor 3 extends into the floor connecting port 23 of the second solid wall 2 and is bound with the horizontal steel bar of the second solid wall 2 into a whole in a locked state.
The post-pouring section 4 is positioned above the floor slab 3, and the height of the post-pouring section is 200-300mm, so that the line box can be embedded in the range conveniently, and the connection between the pipelines in the plate and the vertical pipelines can be realized. The post-pouring section 4 can be used for pouring common concrete and self-compacting concrete.
During construction, the second solid wall 2 is assembled and fixed, then the floor slab 3 is assembled, the cast-in-place layer horizontal steel bars 321 of the floor slab 3 and the horizontal steel bars of the floor slab connecting port 23 of the second solid wall 2 are bound into a whole in a locked state, then the cast-in-place layer 32 of the cast-in-place floor slab 3 is hoisted, the first solid wall 1 is made to be buckled with the first vertical closed annular steel bars 12 of the first solid wall 1 and the second vertical closed annular steel bars 22 of the second solid wall 2 to form a post-casting section 4, the horizontal additional steel bars 41 are bound in the post-casting section 4, and after other matching operations, the post-casting section 4 is generally cast with concrete or self-compacting concrete, and the first cavity 11 of the first solid wall 1 is cast in place.
In order to enhance the heat insulation effect of the building, a first heat insulation layer 13 is arranged outside the first solid wall 1, and a second heat insulation layer 24 is arranged outside the second solid wall 2.
As shown in fig. 4, the second embodiment of the present invention is substantially the same as the first embodiment, and the difference is only that: in order to enhance the joint strength, the horizontal bottom rib 311 of the prefabricated layer 31 of the floor slab 3 also extends into the floor slab connector 23 of the second solid wall 2 and is bound and fixed with the horizontal steel bar of the second solid wall 2.
As shown in fig. 5 and 6, the third embodiment of the present invention is substantially the same as the first embodiment, except that: vertical cavities are not arranged in the first solid wall 1 and the second solid wall 2.
As shown in fig. 7, the fourth embodiment of the present invention is substantially the same as the first embodiment, except that: vertical cavities are not formed in the first solid wall 1 and the second solid wall 2, and the horizontal bottom rib 311 of the prefabricated layer 31 of the floor slab 3 also extends into the floor slab connecting port 23 of the second solid wall 2 and is bound and fixed with the horizontal reinforcing steel bars of the second solid wall 2.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (9)
1. The utility model provides a precast shear wall and floor connected node, includes first solid wall (1) and second solid wall (2) of vertical connection, junction fixed connection floor (3) of first, two solid walls, its characterized in that:
a first vertical closed annular reinforcing steel bar (12) is arranged at the bottom of the first solid wall;
a second vertical closed annular reinforcing steel bar (22) is arranged at the top of the second solid wall;
the first vertical closed annular reinforcing steel bars and the second vertical closed annular reinforcing steel bars are buckled with each other to form a post-pouring section (4), and horizontal additional ribs (41) are bound in the post-pouring section.
2. A precast shear wall and floor slab connection node according to claim 1, wherein a floor slab connection port (23) is provided below the second vertical closed ring-shaped reinforcing steel bar of the second solid wall; the floor slab comprises a prefabricated layer (31) and a cast-in-place layer (32) which are overlapped up and down, and horizontal steel bars (321) of the cast-in-place layer extend into the floor slab connecting port and are bound and fixed with horizontal steel bars of the second solid wall in a locked state to be cast in place into a whole.
3. A precast shear wall and floor connecting node according to claim 1, wherein the first vertical closed loop reinforcing bars are formed by extending downward from the vertical reinforcing bars of the first solid wall; the second vertical closed ring-shaped reinforcing steel bar is formed by upwards extending the vertical reinforcing steel bars of the second solid wall.
4. The precast shear wall and floor connection node of claim 1, wherein the post-cast section is located above the floor, and the post-cast section has a height of 200-300 mm.
5. A precast shear wall and floor connecting node according to claim 2, wherein the horizontal bottom rib (311) in the precast layer of the floor slab extends into the floor slab connecting port of the second solid wall and is bound and fixed with the horizontal steel bar of the second solid wall.
6. A precast shear wall and floor connecting node according to claim 1, wherein a plurality of vertically distributed first cavities (11) are provided in the first solid wall.
7. A precast shear wall and floor connecting node according to claim 1, wherein a plurality of second vertically distributed cavities (21) are provided in the second solid wall.
8. A precast shear wall and floor connection node according to claim 2, wherein the precast and cast-in-place layers of the floor are connected by support bars (33).
9. A precast shear wall and floor connection node according to claim 1, wherein a first insulating layer (13) is provided on the outside of the first solid wall, and a second insulating layer (24) is provided on the outside of the second solid wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922423675.8U CN211949007U (en) | 2019-12-30 | 2019-12-30 | Prefabricated shear force wall and floor connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922423675.8U CN211949007U (en) | 2019-12-30 | 2019-12-30 | Prefabricated shear force wall and floor connected node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211949007U true CN211949007U (en) | 2020-11-17 |
Family
ID=73188118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922423675.8U Active CN211949007U (en) | 2019-12-30 | 2019-12-30 | Prefabricated shear force wall and floor connected node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211949007U (en) |
-
2019
- 2019-12-30 CN CN201922423675.8U patent/CN211949007U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240416 Address after: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Patentee after: Xingtai Construction Group Co.,Ltd. Country or region after: China Address before: 010000 No.102, 1st floor, North Stone office building, Huqing Road, Chengguan Town, Helingeer County, Hohhot City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Zhongduo Yuanda Construction Industry Co.,Ltd. Country or region before: China |