CN215802445U - Outsourcing fire prevention structure suitable for steel sheet shear force wall - Google Patents
Outsourcing fire prevention structure suitable for steel sheet shear force wall Download PDFInfo
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- CN215802445U CN215802445U CN202122267013.3U CN202122267013U CN215802445U CN 215802445 U CN215802445 U CN 215802445U CN 202122267013 U CN202122267013 U CN 202122267013U CN 215802445 U CN215802445 U CN 215802445U
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- plate shear
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Abstract
The utility model discloses an outsourcing fireproof structure suitable for a steel plate shear wall. The steel pipe concrete column is coated with a steel structure special interface agent to be further bonded with a fireproof coating, and the outer sides of the steel plate shear wall assembly and the steel pipe concrete column are a plastering layer and a finishing layer; the both sides face of steel sheet shear force wall is equipped with a plurality of stiffening ribs, and the special interfacial agent of steel construction of surface coating of steel sheet shear force wall, and then bonds the one deck fire protection layer, and galvanized steel bar net piece has been buried underground to the inside fire protection layer, has still buried stiffening rib steel bar in the fire protection layer between galvanized steel bar net piece and the steel sheet shear force wall and has hung the hook, and every galvanized steel bar net piece welds on the stiffening rib of self one side. The built-in steel bar hook and the steel bar net piece have good anti-cracking effect and reliable overall performance; the fireproof effect is reliable, the decoration is good, the manufacturing cost of the fireproof protection layer and the decoration layer is reduced, the masonry process is simple, the structure is simple, the labor is saved, the site operation is convenient and rapid, and the quality is controllable.
Description
Technical Field
The utility model relates to an outsourcing fireproof structure, belongs to the field of constructional engineering, and particularly relates to an outsourcing fireproof structure which can be widely applied to various steel structure houses and is suitable for steel plate shear walls.
Background
Compared with a concrete shear wall, the steel plate shear wall has the following advantages: the dead weight of the structure is reduced, and the cost of the foundation is reduced; the steel plate is thinner, so that a larger building space can be provided; the high initial rigidity can effectively control the lateral displacement; the ductility and hysteresis performance are better, and the method is suitable for anti-seismic design; the steel plate shear wall can relieve the ductility requirement on the beam column joint area. The steel plate shear wall structure has the defects that the fire resistance is poor, the fire resistance limit of an unprotected steel structure member is only 10-20 min, and the steel structure member is easily damaged. Therefore, necessary fire protection measures are required to make the steel member meet the specified fire endurance requirements. At present, the fireproof protection measures of the steel plate shear wall are mostly thin aerated concrete building blocks filled and built, the construction process is complex, the labor cost is high, and the further popularization of steel structure houses is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model discloses an outer-wrapping fireproof structure suitable for a steel plate shear wall, which has the advantages of decoration performance on the premise of ensuring the fireproof performance of a steel member, good integrity and simple construction, can greatly reduce the overall cost of the steel plate shear wall fireproof structure in a steel structure house, and saves labor.
The technical scheme adopted by the utility model is as follows:
the steel tube shear wall comprises a steel plate shear wall assembly, a steel tube concrete column, a fireproof coating, a steel structure special interface agent, a plastering layer and a finishing layer, wherein one side surface of the steel tube concrete column is used as a vertical side surface, the steel plate shear wall assembly and the vertical side surface of the steel tube concrete column are fixedly welded, the steel structure special interface agent is coated on the outer side of the steel tube concrete column, the steel tube concrete column is bonded with the fireproof coating through the steel structure special interface agent, and the plastering layer and the finishing layer are arranged on the outer side, which is not welded, of the steel plate shear wall assembly and the steel tube concrete column;
the steel plate shear wall assembly comprises a steel plate shear wall, a plurality of stiffening ribs, two layers of fireproof protection layers, two zinc-plated steel bar net pieces and a plurality of stiffening rib steel bar hooks, wherein the plurality of vertically arranged stiffening ribs are arranged on two side surfaces of the steel plate shear wall in a staggered mode at intervals, a steel structure special interface agent is coated on the surface of the steel plate shear wall, the fireproof protection layers are bonded on two sides of the steel plate shear wall through the steel structure special interface agent, a zinc-plated steel bar net piece is embedded in each layer of fireproof protection layer, a stiffening rib steel bar hook is also embedded in the fireproof protection layer between each zinc-plated steel bar net piece and the steel plate shear wall, and each zinc-plated steel bar net piece is welded on the stiffening rib on one side of the zinc-plated steel bar net piece; the fireproof coating is used for fireproof protection of the concrete-filled steel tubular column; the special interface agent for the steel structure is used for surface treatment of the steel plate shear wall assembly, increases the surface roughness, and strengthens the adhesive property between the steel plate shear wall assembly and the fireproof coating and the fireproof protective layer, so that each layer is reliably connected; the galvanized steel bar net sheet and the reinforcing rib steel bar hook are used for reinforcing the fireproof protective layer and protecting the anti-cracking, so that the structural integrity is ensured; the fireproof protection layer is one or two of concrete, cement mortar, gypsum-based fireproof slurry and polystyrene EPS concrete, wherein the gypsum-based fireproof slurry cannot be used for outdoor side walls, the surface flatness is high after the fireproof protection layer is formed, subsequent plastering and finishing coat construction is facilitated, and the fireproof and decorative integrated effect is realized.
Each side of the two side surfaces of the steel plate shear wall is uniformly provided with a plurality of stiffening ribs at intervals along the horizontal direction, and the stiffening ribs on the two side surfaces of the steel plate shear wall are alternately arranged along the horizontal direction, namely each stiffening rib on one side surface of the steel plate shear wall is positioned between two stiffening ribs on the other side along the horizontal direction.
Every stiffening rib place correspond a stiffening rib reinforcing bar couple on the relative one side wall of steel sheet shear wall one side wall, the quantity of stiffening rib reinforcing bar couple is the same with the quantity of stiffening rib.
The steel tube concrete column is characterized in that the vertical side face of the steel tube concrete column is perpendicular to the steel plate shear wall, the galvanized steel bar net sheets are parallel to the steel plate shear wall, and two vertical sides of the same side of the two galvanized steel bar net sheets are welded on the vertical side face.
Two ends of the stiffening rib steel bar hook are respectively fixed between the steel plate shear wall and the galvanized steel bar mesh sheet, one end of the stiffening rib steel bar hook is welded on the side surface of the steel plate shear wall, and the other end of the stiffening rib steel bar hook is hung on the galvanized steel bar mesh sheet on one side of the stiffening rib steel bar hook.
The two side surfaces of the steel pipe concrete column, which are parallel to the steel plate shear wall, are coated with fireproof coatings and then are respectively flush with the two outer side surfaces of the two fireproof protection layers, and the plastering and finishing layers are positioned on the fireproof coatings of the steel pipe concrete column and the outer side surfaces of the two fireproof protection layers.
The steel plate shear wall is coated with anticorrosive paint on the surface.
The utility model has the beneficial effects that:
1. the fireproof layer and the decorative layer are combined into a whole, so that good decoration is achieved while the fireproof effect is ensured to be reliable, the manufacturing cost of the fireproof layer and the decorative layer of the steel plate shear wall is greatly reduced, a complex masonry process is not needed, labor is saved, the structure is simple, the site construction is convenient and rapid, and the quality is controllable;
2. the built-in steel bar hook and the steel bar net piece have good anti-cracking effect and reliable overall performance.
Drawings
FIG. 1 is a schematic representation of a fire-blocking construction of the present invention fully encapsulated by a gypsum-based fire-blocking paste;
FIG. 2 is a fully concrete-encased fire protection construction of the present invention;
FIG. 3 is a fire protection construction of the present invention fully encased by EPS concrete;
fig. 4 shows a fire protection construction of the utility model fully encased by gypsum-based fire protection grout and concrete.
In the figure: 1. the steel pipe concrete column, 2, the special interface agent of steel construction, 3, fire retardant coating, 4, steel sheet shear force wall, 5, stiffening rib, 6, fire protection layer, 7, galvanized steel bar net piece, 8, stiffening rib steel bar couple, 9, smear and finish coat.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, 2, 3 and 4, includes a steel plate shear wall assembly, the steel pipe concrete column comprises a steel pipe concrete column 1, fireproof coatings 3, a steel structure special interface agent 2 and a plastering and finishing layer 9, wherein one side face of the steel pipe concrete column 1 is used as a vertical side face, a steel plate shear wall assembly is fixedly welded with the vertical side face of the steel pipe concrete column 1, the steel structure special interface agent 2 is coated on the outer side of the steel pipe concrete column 1, the steel pipe concrete column 1 is bonded with the fireproof coatings 3 through the steel structure special interface agent 2, the outer side, which is not welded, of the steel plate shear wall assembly and the steel pipe concrete column 1 is the plastering and finishing layer 9, the two side faces, which are parallel to a steel plate shear wall 4, of the steel pipe concrete column 1 are respectively flushed with the two outer side faces of two fireproof protection layers 6 after being coated with the fireproof coatings 3, and the plastering and finishing layer 9 are positioned on the fireproof coatings 3 of the steel pipe concrete column 1 and the outer side faces of the two fireproof protection layers 6;
the steel plate shear wall assembly comprises a steel plate shear wall 4, a plurality of stiffening ribs 5, two fireproof protective layers 6, two galvanized steel bar net sheets 7 and a plurality of stiffening rib steel bar hooks 8, wherein the steel plate shear wall 4 is the steel plate shear wall 4 coated with anticorrosive paint on the surface, a plurality of stiffening ribs 5 which are vertically arranged are arranged on two side surfaces of the steel plate shear wall 4 in a staggered mode at intervals, the stiffening ribs 5 are uniformly distributed on each side surface of the two side surfaces of the steel plate shear wall 4 along the horizontal direction at intervals, the stiffening ribs 5 on the two side surfaces of the steel plate shear wall 4 are alternately arranged along the horizontal direction, namely, each stiffening rib 5 on one side surface of the steel plate shear wall 4 is positioned between the two stiffening ribs 5 on the other side along the horizontal direction, a steel structure special interface agent 2 is coated on the surface of the steel plate shear wall 4, and one fireproof protective layer 6 is bonded on two sides of the steel plate shear wall 4 through the steel structure special interface agent 2, a galvanized steel bar net piece 7 is embedded in each layer of fireproof protection layer 6, the vertical side surface of the steel pipe concrete column 1 is perpendicular to the steel plate shear wall 4, the galvanized steel bar net piece 7 is parallel to the steel plate shear wall 4, two vertical sides of the same side of the two galvanized steel bar net pieces 7 are welded on the vertical side surface, a stiffening rib steel bar hook 8 is also embedded in the fireproof protection layer 6 between the galvanized steel bar net piece 7 and the steel plate shear wall 4, two ends of the stiffening rib steel bar hook 8 are respectively fixed between the steel plate shear wall 4 and the galvanized steel bar net piece 7, one end of the stiffening rib steel bar hook 8 is welded on the side surface of the steel plate shear wall 4, the other end of the stiffening rib steel bar hook 8 is hung on the galvanized steel bar net piece 7 on one side, a stiffening rib steel bar hook 8 is corresponding to the wall surface on the opposite side of the wall surface on one side of the steel plate shear wall 4 where each stiffening rib 5 is located, the number of the stiffening rib hooks 8 is the same as the number of the stiffening ribs 5, each galvanized steel bar net sheet 7 is welded on the stiffening rib 5 on one side of the galvanized steel bar net sheet;
the fireproof coating 3 is used for fireproof protection of the concrete-filled steel tubular column 1; the special interface agent 2 for the steel structure is used for surface treatment of the steel plate shear wall assembly, increases the surface roughness, and enhances the adhesive property between the steel plate shear wall assembly and the fireproof coating 3 and the fireproof protective layer 6, so that each layer is reliably connected; the galvanized steel bar net sheet 7 and the reinforcing rib steel bar hook 8 are used for reinforcing and anti-cracking protection of the fireproof protective layer 6, so that the structural integrity is ensured; the fireproof protection layer 6 is one or two of concrete, cement mortar, gypsum-based fireproof slurry and polystyrene EPS concrete, wherein the gypsum-based fireproof slurry cannot be used for outdoor side walls, the surface flatness of the fireproof protection layer 6 after molding is high, subsequent plastering and finishing coat 9 construction is facilitated, and fireproof and decorative integration effect is achieved.
The specific embodiment is as follows:
firstly, carrying out interface treatment on the surfaces of a steel pipe concrete column 1 and a steel plate shear wall 4 by using a steel structure special interface agent 2, welding stiffening rib steel bar hooks 8 on two side surfaces of the steel plate shear wall 4, hanging galvanized steel bar net sheets 7 on the stiffening rib steel bar hooks 8, welding and fixing the galvanized steel bar net sheets 7 and the steel pipe concrete column 1, welding and fixing the galvanized steel bar net sheets 7 and stiffening ribs 5, and spraying fireproof protective layers 6 on wall surfaces on two sides of the steel plate shear wall 4; as shown in fig. 1, the fireproof protective layer 6 is gypsum-based fireproof slurry; as shown in fig. 2, the fireproof protective layer 6 is concrete; as shown in fig. 3, the fireproof protective layer 6 is EPS concrete; as shown in fig. 4, the fireproof protective layer 6 is concrete and gypsum-based fireproof slurry; and (3) spraying fireproof paint 3 on the cylindrical surface of the concrete filled steel tubular column 1, after the fireproof protection layer 6 is dried and hardened and the steel plate shear wall 4 is maintained, performing plastering and facing treatment on the outer sides of the fireproof paint 3 and the fireproof protection layer 6, and coating a plastering and facing layer 9.
Claims (7)
1. The utility model provides an outsourcing fire prevention structure suitable for steel sheet shear force wall which characterized in that: the steel tube shear wall comprises a steel plate shear wall component, a steel tube concrete column (1), fireproof paint (3), a steel structure special interface agent (2) and a plastering and finishing layer (9), wherein one side face of the steel tube concrete column (1) is used as a vertical side face, the steel plate shear wall component and the vertical side face of the steel tube concrete column (1) are fixedly welded, the steel structure special interface agent (2) is coated on the outer side of the steel tube concrete column (1), the fireproof paint (3) is bonded on the steel tube concrete column (1) through the steel structure special interface agent (2), and the plastering and finishing layer (9) is arranged on the outer side, which is not welded, of the steel plate shear wall component and the steel tube concrete column (1);
the steel sheet shear wall subassembly includes steel sheet shear wall (4), a plurality of stiffening rib (5), two-layer fireproof protection layer (6), two galvanized steel bar net piece (7) and a plurality of stiffening rib steel bar couple (8), the both sides face interval of steel sheet shear wall (4) is crisscross to be equipped with a plurality of vertical layout's stiffening rib (5), the special interface agent of surface coating steel construction (2) of steel sheet shear wall (4), steel sheet shear wall (4) both sides are through special interface agent of steel construction (2) bonding one deck fireproof protection layer (6), every layer of fireproof protection layer (6) is inside to be buried underground and has a piece galvanized steel bar net piece (7), still buried and have stiffening rib steel bar couple (8) in fireproof protection layer (6) between galvanized steel bar net piece (7) and the steel sheet shear wall (4), every piece galvanized steel bar net piece (7) welds on the stiffening rib (5) of self one side.
2. The fire protection structure suitable for the steel plate shear wall comprises the following components in percentage by weight: each side face of the two side faces of the steel plate shear wall (4) is uniformly provided with a plurality of stiffening ribs (5) at intervals along the horizontal direction, and the stiffening ribs (5) on the two side faces of the steel plate shear wall (4) are alternately arranged along the horizontal direction.
3. The fire protection structure suitable for the steel plate shear wall comprises the following components in percentage by weight: every stiffening rib (5) place correspond a stiffening rib rebar hook (8) on the relative one side wall of steel sheet shear wall (4) one side wall, the quantity of stiffening rib rebar hook (8) is the same with the quantity of stiffening rib (5).
4. The fire protection structure suitable for the steel plate shear wall comprises the following components in percentage by weight: the steel tube concrete column (1) hangs down the side perpendicular to steel sheet shear force wall (4), galvanized steel bar net piece (7) be on a parallel with steel sheet shear force wall (4), two perpendicular edges of the same one side of two galvanized steel bar net pieces (7) weld in hang down on the side.
5. The fire protection structure suitable for the steel plate shear wall comprises the following components in percentage by weight: two ends of the stiffening rib steel bar hook (8) are respectively fixed between the steel plate shear wall (4) and the galvanized steel bar net piece (7), one end of the stiffening rib steel bar hook (8) is welded on the side surface of the steel plate shear wall (4), and the other end of the stiffening rib steel bar hook (8) is hung on the galvanized steel bar net piece (7) on one side of the stiffening rib steel bar hook.
6. The fire protection structure suitable for the steel plate shear wall comprises the following components in percentage by weight: the two side surfaces of the steel tube concrete column (1) parallel to the steel plate shear wall (4) are coated with fireproof coatings (3) and then flush with the two outer side surfaces of the two fireproof protection layers (6) respectively, and the plastering and finishing layer (9) is located on the fireproof coatings (3) of the steel tube concrete column (1) and the outer side surfaces of the two fireproof protection layers (6).
7. The fire protection structure suitable for the steel plate shear wall comprises the following components in percentage by weight: the steel plate shear wall (4) is coated with anticorrosive paint on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267013.3U CN215802445U (en) | 2021-09-16 | 2021-09-16 | Outsourcing fire prevention structure suitable for steel sheet shear force wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267013.3U CN215802445U (en) | 2021-09-16 | 2021-09-16 | Outsourcing fire prevention structure suitable for steel sheet shear force wall |
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| Publication Number | Publication Date |
|---|---|
| CN215802445U true CN215802445U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122267013.3U Expired - Fee Related CN215802445U (en) | 2021-09-16 | 2021-09-16 | Outsourcing fire prevention structure suitable for steel sheet shear force wall |
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| CN (1) | CN215802445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215224A (en) * | 2021-12-31 | 2022-03-22 | 中建科工集团有限公司 | Prefabricated wallboard assembled cladding structure of steel plate shear wall and manufacturing method thereof |
| CN114457927A (en) * | 2022-02-23 | 2022-05-10 | 凯第建筑集团有限公司 | Steel pipe bundle outer-wrapped aerated plate structure and construction method thereof |
-
2021
- 2021-09-16 CN CN202122267013.3U patent/CN215802445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215224A (en) * | 2021-12-31 | 2022-03-22 | 中建科工集团有限公司 | Prefabricated wallboard assembled cladding structure of steel plate shear wall and manufacturing method thereof |
| CN114457927A (en) * | 2022-02-23 | 2022-05-10 | 凯第建筑集团有限公司 | Steel pipe bundle outer-wrapped aerated plate structure and construction method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220211 |