CN210459551U - Connecting joint of double-steel-plate combined shear wall and floor slab - Google Patents
Connecting joint of double-steel-plate combined shear wall and floor slab Download PDFInfo
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- CN210459551U CN210459551U CN201921221502.1U CN201921221502U CN210459551U CN 210459551 U CN210459551 U CN 210459551U CN 201921221502 U CN201921221502 U CN 201921221502U CN 210459551 U CN210459551 U CN 210459551U
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Abstract
The utility model provides a connecting node of a double-steel-plate composite shear wall and a floor slab, which comprises a double-steel-plate concrete composite shear wall, a horizontal ear plate, a counter-pull steel bar, an anchor plate and a floor slab; the double-steel-plate concrete combined shear wall comprises outer-coated steel plates arranged around the double-steel-plate concrete combined shear wall; the horizontal ear plates comprise an upper horizontal ear plate and a lower horizontal ear plate; the upper horizontal lug plate and the lower horizontal lug plate are vertically welded with the outer steel plate; the floor slab comprises an upper layer of steel bars and a lower layer of steel pieces from top to bottom; the upper layer of steel bars are welded on one surface of the upper horizontal ear plate, which faces the lower horizontal ear plate, and the lower layer of steel pieces are welded on one surface of the lower horizontal ear plate, which faces the upper horizontal ear plate; the anchor plate is fixed on the inner side of the outer steel plate facing the double-steel-plate concrete combined shear wall. By applying the technical scheme, the connecting node not only has good stress performance, but also is simple in structure and convenient to construct.
Description
Technical Field
The utility model relates to a building structure field specifically indicates a connected node of double steel plates compound shear wall and floor.
Background
The double-steel-plate concrete combined shear wall is a novel efficient combined member developed in recent years, can give full play to the material properties of a steel plate and concrete, and has the advantages of high bearing capacity, good earthquake resistance and the like. The double-steel-plate concrete combined shear wall is applied to the super high-rise building, so that the thickness of the core tube shear wall can be effectively reduced, the using area of the building is increased, and good economic benefits are generated. However, because the connection between the double-steel-plate concrete combined shear wall and the floor slab is difficult, no reliable connection structure mode exists at present, and the application of the double-steel-plate concrete combined shear wall in the super high-rise building is restricted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connected node of two steel sheet compound shear wall and floor makes this connected node not only have better atress performance to simple structure, the construction of being convenient for.
In order to solve the technical problem, the utility model provides a connecting node of a double-steel-plate composite shear wall and a floor slab, which comprises a double-steel-plate concrete composite shear wall, a horizontal ear plate, a split bar, an anchor plate and a floor slab; the double-steel-plate concrete combined shear wall comprises outer-coated steel plates arranged around the double-steel-plate concrete combined shear wall; the horizontal ear plates comprise an upper horizontal ear plate and a lower horizontal ear plate; the upper horizontal ear plate and the lower horizontal ear plate are spaced from top to bottom by a certain distance and are vertically welded to the outer side of the outer steel plate, which is back to the double-steel-plate concrete combined shear wall; the floor slab comprises an upper layer of steel bars and a lower layer of steel pieces from top to bottom; the upper layer of steel bars are welded on one surface of the upper horizontal ear plate, which faces the lower horizontal ear plate, and the lower layer of steel pieces are welded on one surface of the lower horizontal ear plate, which faces the upper horizontal ear plate; the two ends of the opposite-pulling reinforcing steel bars are respectively welded with the upper horizontal ear plate and the lower horizontal ear plate, and the opposite-pulling reinforcing steel bars are arranged between the upper horizontal ear plate and the lower horizontal ear plate and are perpendicular to the upper horizontal ear plate and the lower horizontal ear plate; the anchor plate is fixed on the inner side of the outer steel plate facing the double-steel-plate concrete combined shear wall.
In a preferred embodiment, when the floor slab is a reinforced concrete floor slab, the lower steel members are lower steel bars; when the floor slab is a profiled steel sheet concrete composite floor slab, the lower layer steel piece is a profiled steel sheet.
In a preferred embodiment, the anchor plate is a T-shaped anchor plate, and comprises a horizontal anchor plate and a vertical anchor plate; one end of the horizontal anchor plate is welded on the inner side of the outer steel plate facing the double-steel-plate concrete combined shear wall, the other end of the horizontal anchor plate is used for fixing the vertical anchor plate, and the horizontal anchor plate and the vertical anchor plate are integrally formed.
In a preferred embodiment, the anchor plate is provided with two anchor plates, specifically a first anchor plate and a second anchor plate; the horizontal anchor plate of the first anchor plate and the upper horizontal ear plate are on the same horizontal plane; and the horizontal anchor plate of the second anchor plate and the lower horizontal ear plate are on the same horizontal plane.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a connected node of two steel sheet compound shear wall and floor makes this connected node not only have better atress performance to simple structure, the construction of being convenient for. The T-shaped anchor plate is welded on the inner side of an outer steel plate of the double-steel-plate concrete combined shear wall, and the horizontal ear plates connected by the counter-pulling steel bars are welded on the outer side of the double-steel-plate concrete combined shear wall to serve as connecting nodes with the reinforced concrete floor slab. This connection structure can guarantee the load transmission between floor and the shear force wall: the steel plate, the anchor plate and the double-steel-plate concrete combined shear wall are sequentially transmitted along the floor slab, the counter-pull steel bars, the horizontal ear plates and the outer steel plate of the double-steel-plate concrete combined shear wall, and the steel plate and the anchor plate have good stress performance. Meanwhile, the connecting structure is simple, construction is convenient, and connection of the double-steel-plate concrete combined shear wall and the floor slab can be conveniently achieved. The utility model discloses the suitability of connection in super high-rise building of two steel sheet concrete combination shear walls and floor has been improved, wide application prospect has in super high-rise building.
Drawings
Fig. 1 is a schematic front structural view of a factory prefabrication stage of a connection node of a double-steel-plate concrete combined shear wall and a floor slab in preferred embodiment 1 of the present invention;
fig. 2 is a schematic reverse structure diagram of a factory prefabrication stage of a connection node of a double-steel-plate concrete combined shear wall and a floor slab in the preferred embodiment 1 of the present invention;
fig. 3 is a cross-sectional view of a connection node of a double steel plate concrete combined shear wall and a reinforced concrete floor slab in the preferred embodiment 1 of the present invention;
fig. 4 is a perspective view of a connection node structure of a double steel plate concrete combined shear wall and a reinforced concrete floor slab in the preferred embodiment 1 of the present invention;
fig. 5 is a cross-sectional view of a connection node between a double-steel-plate concrete composite shear wall and a profiled steel plate-concrete composite floor slab according to preferred embodiment 2 of the present invention;
fig. 6 is a perspective view of a connection node structure of a double-steel-plate concrete combined shear wall and a profiled steel plate-concrete combined floor slab in the preferred embodiment 2 of the present invention.
In the figure: 1-double steel plate concrete combined shear wall; 2-horizontal ear plate; 3-oppositely pulling the steel bars; 4-anchor plate; 5-reinforced concrete floor slab; 6-profiled steel sheet-concrete composite floor slab; 11-an outer steel plate of the double-steel-plate concrete combined shear wall; 21-upper horizontal ear plate; 22-lower horizontal ear plate; 51-upper layer steel bars; 52-lower layer steel bars; 53-profiled steel sheet.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
Example 1
A connecting node of a double-steel-plate combined shear wall and a floor slab refers to figures 1 to 4 and comprises a double-steel-plate concrete combined shear wall 1, a horizontal ear plate 2, a counter-pull steel bar 3, an anchor plate 4 and a reinforced concrete floor slab 5; the double-steel-plate concrete combined shear wall 1 comprises an outer-coated steel plate 11 arranged around the double-steel-plate concrete combined shear wall; the horizontal ear plate 2 comprises an upper horizontal ear plate 21 and a lower horizontal ear plate 22; the upper horizontal ear plate 21 and the lower horizontal ear plate 22 are vertically welded to the outer side of the outer steel plate 11, which is opposite to the double-steel-plate concrete combined shear wall 1, at intervals from top to bottom; the reinforced concrete floor 5 comprises upper-layer steel bars 51 and lower-layer steel bars 52 from top to bottom; the upper layer of steel bars 51 are welded on one surface of the upper horizontal ear plate 21 facing the lower horizontal ear plate 22, and the lower layer of steel bars 52 are welded on one surface of the lower horizontal ear plate 22 facing the upper horizontal ear plate 21, so that reliable anchoring of the steel bars is ensured; the counter-pulling steel bars 3 are used as shear connectors for connecting steel and concrete, two ends of the counter-pulling steel bars 3 are respectively welded with the upper horizontal ear plate 21 and the lower horizontal ear plate 22, and the counter-pulling steel bars 3 are arranged between the upper horizontal ear plate 21 and the lower horizontal ear plate 22 and are perpendicular to the upper horizontal ear plate 21 and the lower horizontal ear plate 22; the anchor plate 4 is fixed on the inner side of the outer steel plate 11 facing the double-steel-plate concrete combined shear wall 1.
Specifically, the anchor plate 4 is specifically a T-shaped anchor plate, and comprises a horizontal anchor plate and a vertical anchor plate; one end of the horizontal anchor plate is welded on the inner side of the outer steel plate 11 facing the double-steel-plate concrete combined shear wall 1, the other end of the horizontal anchor plate is used for fixing the vertical anchor plate, and the horizontal anchor plate and the vertical anchor plate are integrally formed. The number of the anchor plates 4 is two, specifically a first anchor plate and a second anchor plate; the horizontal anchor plate of the first anchor plate and the upper horizontal ear plate 21 are on the same horizontal plane; the horizontal anchor plate of the second anchor plate is in the same horizontal plane as the lower horizontal ear plate 22.
A construction method for a connecting joint of a double-steel-plate combined shear wall and a floor slab comprises the following steps:
(1) and (3) prefabrication stage of a factory: firstly, welding an upper horizontal ear plate 21 and a lower horizontal ear plate 22 at proper positions on the outer side of an outer steel plate 11 of the double-steel-plate concrete combined shear wall 1; the proper position refers to that in the field construction stage, one surface of the lower horizontal lug plate 22 facing the upper horizontal lug plate 21 is flush with the outer surface of the lower layer steel bar 52 of the reinforced concrete floor slab 5, and one surface of the upper horizontal lug plate 21 facing the lower horizontal lug plate 22 can be flush with the outer surface of the upper layer steel bar 51 of the reinforced concrete floor slab 5; then, welding one end of a horizontal anchor plate to the inner side of an outer steel plate 11 of the double-steel-plate concrete combined shear wall 1, wherein the position of the horizontal anchor plate is consistent with that of the horizontal ear plate 2; finally, the opposite-pulling steel bars 3 are welded between the upper horizontal ear plate 21 and the lower horizontal ear plate 22, so that the upper horizontal ear plate 21, the lower horizontal ear plate 22 and the opposite-pulling steel bars 3 are connected into a whole to finish the prefabrication stage of a factory;
(2) and (3) field construction stage: in the stage, after the construction of the double-steel-plate concrete combined shear wall 1 is completed, the construction of a reinforced concrete floor slab 5 is started; firstly, arranging floor reinforcing steel bars, welding lower-layer reinforcing steel bars 52 of a reinforced concrete floor 5 to one surface of a lower horizontal lug plate 22 facing to an upper horizontal lug plate 21, and welding upper-layer reinforcing steel bars 51 to one surface of an upper horizontal lug plate 21 facing to the lower horizontal lug plate 22; and then, pouring floor concrete, and finishing the field construction stage when the concrete strength meets the requirement.
Example 2
Referring to fig. 5 to 6, the present embodiment is different from embodiment 1 in that the concrete floor slab 5 is a profiled steel sheet-concrete composite floor slab 6, the lower layer of steel bars 52 is profiled steel sheets 53, and the profiled steel sheets 53 are welded to the side of the lower horizontal ear plate 22 facing the upper horizontal ear plate 21, which can be used as a permanent formwork for casting concrete, or can partially or completely replace the stressed steel bars in the floor slab.
The utility model provides a connected node of two steel sheet compound shear wall and floor makes this connected node not only have better atress performance to simple structure, the construction of being convenient for. The composite shear wall is characterized in that a T-shaped anchor plate is welded on the inner side of an outer steel plate 11 of the double-steel-plate concrete composite shear wall 1, and a horizontal ear plate 2 connected by a counter-pulling steel bar 3 is welded on the outer side of the double-steel-plate concrete composite shear wall and serves as a connecting node with a floor slab. This connection structure can guarantee the load transmission between floor and the shear force wall: the steel plate is sequentially transmitted along a floor slab, the counter-pulling steel bars 3, the horizontal ear plates 2, the outer wrapping steel plates 11 of the double-steel-plate concrete combined shear wall, the anchor plates 4 and the double-steel-plate concrete combined shear wall 1, and the steel plate concrete combined shear wall has good stress performance. Meanwhile, the connecting structure is simple, construction is convenient, and connection of the double-steel-plate concrete combined shear wall 1 and the floor slab can be conveniently achieved. The utility model discloses the suitability of connection in super high-rise building of two steel sheet concrete combination shear wall 1 and floor has been improved, has wide application prospect in super high-rise building. The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (4)
1. A connecting node of a double-steel-plate composite shear wall and a floor slab is characterized by comprising a double-steel-plate concrete composite shear wall, a horizontal ear plate, a counter-pull steel bar, an anchor plate and the floor slab; the double-steel-plate concrete combined shear wall comprises outer-coated steel plates arranged around the double-steel-plate concrete combined shear wall; the horizontal ear plates comprise an upper horizontal ear plate and a lower horizontal ear plate; the upper horizontal ear plate and the lower horizontal ear plate are spaced from top to bottom by a certain distance and are vertically welded to the outer side of the outer steel plate, which is back to the double-steel-plate concrete combined shear wall; the floor slab comprises an upper layer of steel bars and a lower layer of steel pieces from top to bottom; the upper layer of steel bars are welded on one surface of the upper horizontal ear plate, which faces the lower horizontal ear plate, and the lower layer of steel pieces are welded on one surface of the lower horizontal ear plate, which faces the upper horizontal ear plate; the two ends of the opposite-pulling reinforcing steel bars are respectively welded with the upper horizontal ear plate and the lower horizontal ear plate, and the opposite-pulling reinforcing steel bars are arranged between the upper horizontal ear plate and the lower horizontal ear plate and are perpendicular to the upper horizontal ear plate and the lower horizontal ear plate; the anchor plate is fixed on the inner side of the outer steel plate facing the double-steel-plate concrete combined shear wall.
2. A connecting node of a double steel plate combined shear wall and a floor slab as claimed in claim 1, wherein when the floor slab is a reinforced concrete floor slab, the lower steel members are lower steel bars; when the floor slab is a profiled steel sheet concrete composite floor slab, the lower layer steel piece is a profiled steel sheet.
3. A connecting node of a double-steel-plate combined shear wall and a floor slab as claimed in claim 1, wherein the anchor plates are T-shaped anchor plates including horizontal anchor plates and vertical anchor plates; one end of the horizontal anchor plate is welded on the inner side of the outer steel plate facing the double-steel-plate concrete combined shear wall, the other end of the horizontal anchor plate is used for fixing the vertical anchor plate, and the horizontal anchor plate and the vertical anchor plate are integrally formed.
4. A connecting node of a double-steel-plate composite shear wall and a floor slab as claimed in claim 1, wherein there are two anchor plates, specifically a first anchor plate and a second anchor plate; the horizontal anchor plate of the first anchor plate and the upper horizontal ear plate are on the same horizontal plane; and the horizontal anchor plate of the second anchor plate and the lower horizontal ear plate are on the same horizontal plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221502.1U CN210459551U (en) | 2019-07-30 | 2019-07-30 | Connecting joint of double-steel-plate combined shear wall and floor slab |
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| CN201921221502.1U CN210459551U (en) | 2019-07-30 | 2019-07-30 | Connecting joint of double-steel-plate combined shear wall and floor slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273481A (en) * | 2019-07-30 | 2019-09-24 | 华侨大学 | A kind of connecting node and its construction method of double steel plate compound shear wall and floor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273481A (en) * | 2019-07-30 | 2019-09-24 | 华侨大学 | A kind of connecting node and its construction method of double steel plate compound shear wall and floor |
| CN110273481B (en) * | 2019-07-30 | 2023-12-29 | 华侨大学 | Connecting node of double-steel-plate combined shear wall and floor slab and construction method thereof |
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