CN110939220A - Steel pipe bundle wall and foundation connecting node and construction method thereof - Google Patents
Steel pipe bundle wall and foundation connecting node and construction method thereof Download PDFInfo
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- CN110939220A CN110939220A CN201911344874.8A CN201911344874A CN110939220A CN 110939220 A CN110939220 A CN 110939220A CN 201911344874 A CN201911344874 A CN 201911344874A CN 110939220 A CN110939220 A CN 110939220A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 87
- 239000010959 steel Substances 0.000 title claims abstract description 87
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000004873 anchoring Methods 0.000 claims abstract description 56
- 238000003466 welding Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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Abstract
The invention provides a connecting node of a steel pipe bundle wall and a foundation.A wall bearing structure is embedded in a bearing platform and comprises an anchoring plate, wherein an anchoring rib and an anchoring rod are fixedly connected below the anchoring plate, and the anchoring plate is flush with the surface of the bearing platform; the bottom of the steel tube bundle wall body is provided with an outer wing plate vertical to the surface of the wall body; the side edge of the outer wing plate is fixedly connected with the wall body, and the bottom edge of the outer wing plate is flush with the bottom surface of the wall body; the bottom surface of the steel pipe bundle wall body and the bottom edge of the outer wing plate are welded and fixed with the surface of the anchoring plate, and a construction method of the steel pipe bundle wall body and a foundation connecting node is further provided, wherein the steel pipe bundle wall body and the bottom outer wing plate structure are prefabricated in a factory; before the concrete of the bearing platform is poured, the bearing structure of the wall body is fixed, and the anchoring plate is exposed on the surface of the concrete and is flush with the concrete of the bearing platform; the outer periphery of the steel pipe bundle wall body and the outer wing plate are welded and fixed with the anchoring plate, the connecting area of the bottom of the steel pipe bundle wall body and the anchoring plate is large, the stability of the bottom of the wall body is enhanced, welding is facilitated, and welding quality is guaranteed.
Description
Technical Field
The invention belongs to the building wall assembly technology, and particularly relates to a steel tube bundle wall and foundation connection node and a construction method thereof.
Background
The steel pipe bundle concrete composite structure fully utilizes the advantages of a steel structure and a concrete structure, and the building plane layout is more flexible and the indoor use space is better. The product matched with the method has higher industrialization degree, realizes the on-site assembly of factory manufacture, reduces the comprehensive cost of engineering, shortens the construction period, saves materials, reduces energy consumption and has wide application prospect.
The steel pipe bundle is a structural unit which is formed by assembling a plurality of U-shaped steel, square rectangular steel pipes and steel plates and is provided with a plurality of vertical cavities, concrete materials are poured into the cavities, and the steel pipe bundle and filled concrete are combined to form a commonly stressed member. The connection position of the steel tube concrete beam shear wall and the foundation requires equal strength connection. The general method is that a part of steel bar embedded parts are embedded when the bearing platform is cast and rolled on site, and the steel tube bundle wall and the embedded parts are welded on site after the concrete casting of the bearing platform is finished and the strength is achieved. Because the node is in an important position in the whole structure, a reinforcing mode of attaching a steel plate is adopted at the root of the steel beam wall, and the welding of the steel plate and the wall body requires a full penetration primary welding seam. In the actual engineering detection, because the situation that ultrasonic detection flaw detection is unqualified often appears in the position for two boards, potential safety hazards are caused.
Disclosure of Invention
The invention aims to solve the technical problem of connection between the existing steel tube bundle wall and a concrete foundation.
The invention provides a steel tube bundle wall and foundation connection node in order to ensure that the bottom of the steel tube bundle wall is firm in installation structure and reasonable in force transmission structure, and the concrete technical scheme is as follows:
a steel pipe bundle wall and foundation connecting node comprises a steel pipe bundle wall and a bearing platform, wherein a wall bearing structure is pre-embedded in the bearing platform and comprises an anchoring plate, and a plurality of steel bar connectors are uniformly arranged on the lower surface of the anchoring plate along the length direction and fixedly connected with anchoring bars; two ends of the lower side of the anchoring plate are fixedly connected with anchor rods; the anchor rods and the anchor bars are embedded in the concrete, and the anchoring plates are flush with the surface of the bearing platform; the bottom of the steel pipe bundle wall body is provided with an outer wing plate vertical to the surface of the wall body; the side edge of the outer wing plate is fixedly connected with the wall body, and the bottom edge of the outer wing plate is flush with the bottom surface of the wall body; and the bottom surface of the steel pipe bundle wall body and the bottom edge of the outer wing plate are welded and fixed with the surface of the anchoring plate.
Compared with the prior art, the joint structure enlarges the connecting area between the bottom of the steel pipe bundle wall body and the anchoring plate, and can realize the design concept of a strong wall root. The stability of wall body bottom of reinforcing is convenient for weld and is guaranteed welding quality.
The preferred embodiment of the invention is as follows:
and at least one group of symmetrical outer wing plates are arranged on each steel pipe bundle combined into the wall body by the outer wing plates.
The outer wing plates are arranged on the inner side, the outer side and the wall side end face of the wall body, and the inner side of the wall body is symmetrical to the outer wing plates on the outer side.
The outer wing plate and the wall body are fillet welds, and the height of a weld leg is 6 mm; the height of the weld leg at the welding positions of the bottom surface of the steel pipe bundle wall body and the bottom edge of the outer wing plate and the anchoring plate is 6 mm.
The outer wing plate is rectangular, the length of the side edge fixedly connected with the wall body is the height of the outer wing plate, the length of the bottom edge flush with the bottom surface of the wall body is the width of the outer wing plate, the height of the outer wing plate is 500mm, and the width of the outer wing plate is 200 mm.
The outer wing plate is a right-angled triangle, the side edge of the outer wing plate fixedly connected with the wall body and the bottom edge of the outer wing plate flush with the bottom surface of the wall body are two right-angled edges, the height of the triangle is 300-fold and 500-fold, and the length of the bottom edge is 200-fold and 300 mm.
The anchoring plates are arranged according to the trend of the wall body, and the width of each anchoring plate is more than or equal to the sum of the thickness of the wall body and the width of the outer wing plates on the two sides.
The invention also provides a construction method of the steel pipe bundle wall and the foundation connection node, which comprises the following steps:
1) when the steel tube bundle wall is prefabricated in a factory, an outer wing plate is welded at the bottom of the steel tube bundle wall, a fillet weld is welded, and the height of a weld leg is 6 mm;
2) the wall body of prefabricated steel tube bank wall body cushion cap accepts the structure: setting the shape of an anchoring plate according to the shape of the steel pipe bundle wall, and fixedly connecting an anchor bar and an anchor rod at the bottom of the anchoring plate;
3) before the concrete of the bearing platform is poured, the bearing structure of the wall body is fixed, so that the anchor bars and the anchor rods are poured in the concrete, the anchoring plates are exposed on the surface of the concrete, and the anchoring plates are flush with the concrete of the bearing platform;
4) and (3) welding the construction steel pipe bundle wall body and the anchoring plate, adopting fillet welding, and welding and fixing the outer periphery of the steel pipe bundle wall body and the outer wing plate with the anchoring plate, wherein the height of a welding leg is 6 mm.
The method enlarges the connecting area between the bottom of the steel pipe bundle wall and the anchoring plate, enhances the stability of the bottom of the wall, is convenient for welding and ensures the welding quality.
Drawings
FIG. 1 is a view of the present connection node structure;
FIG. 2 is a depression angle diagram of the present connection node structure;
FIG. 3 is a side view based on FIG. 1;
FIG. 4 is a bottom view of the wall;
FIG. 5 is a view of the basic structure of the platform of the present invention;
FIG. 6 shows the shape of the weld of the present connection node.
In the figure: the steel tube bundle wall comprises a steel tube bundle wall body 1, an outer wing plate 2, an anchoring plate 3, an anchor rib 4 and an anchor rod 5.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings and specific examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2, 4 and 5, the steel pipe bundle wall and foundation connection node provided by the invention comprises a steel pipe bundle wall 1 and a bearing platform, wherein a wall bearing structure is pre-embedded in the bearing platform, the wall bearing structure comprises an anchoring plate 3, and a plurality of steel bar connectors are uniformly arranged on the lower surface of the anchoring plate 3 along the length direction and fixedly connected with anchor bars 4; two ends of the lower side of the anchoring plate 3 are fixedly connected with anchor rods 5; wherein, the anchor rod 5 and the anchor bar 4 are embedded in the concrete, and the anchoring plate 3 is flush with the surface of the bearing platform; the bottom of the steel pipe bundle wall body 1 is provided with an outer wing plate 2 vertical to the surface of the wall body, the side edge of the outer wing plate 2 is fixedly connected with the wall body, and the bottom edge of the outer wing plate is flush with the bottom surface of the wall body; the bottom surface of the steel pipe bundle wall body 1 and the bottom edge of the outer wing plate 2 are welded and fixed with the surface of the anchoring plate 3.
The structure of the outer wing plate 2 effectively enlarges the connecting area between the bottom of the steel pipe bundle wall body 1 and the anchoring plate 3, and the design concept of a strong wall root can be realized.
As shown in fig. 3, the first embodiment of the present invention provides a connection node structure applied to a corner wall: the outer wing plates 2 are arranged on the inner side and the outer side of the wall body, and the inner side of the wall body is symmetrical to the outer wing plates 2 on the outer side. The outer wing plate 2 is provided with at least one group of symmetrical outer wing plates 2 on each steel pipe bundle combined into the wall body. The outer wing plate 2 is further arranged on the end face of the wall side, and the end face comprises not only the end part of the wall body, but also the end part of the cross section of the single-side wall body at the corner position of the wall body.
No matter the wall body of installation is plane wall body or corner wall body, anchor plate 3 sets up according to the wall body trend, and anchor plate 3 width is more than or equal to wall body thickness and the sum of both sides outer pterygoid lamina width to guarantee that 2 base full weld of outer pterygoid lamina.
Example two, also with reference to fig. 3, the present invention provides a specific design structure of an outer wing plate: the outer wing plate 2 is a steel plate with the width larger than the thickness of the steel pipe bundle wall body, the steel plate is inserted into a notch formed in the bottom of the steel pipe bundle wall body, and parts, protruding out of the inner side and the outer side of the wall body, on two sides of the steel plate form symmetrical outer wing plates.
In the third embodiment, for saving material, as shown in fig. 4, the outer wing plate is formed by symmetrically and fixedly connecting two steel plates to the inner side and the outer side of the wall body. The outer wing plate is manufactured into a structure integrated with the steel tube bundle wall, and is required to be fillet welded with the wall when in connection construction, and the height of a welding leg is 6 mm. When the wall body is connected with the bearing platform for construction, fillet welds are also adopted for the bottom periphery of the steel tube bundle wall body 1, the bottom edge of the outer wing plate 2 and the anchoring plate 3, and the welds after construction are shown in fig. 6.
In the fourth embodiment, the outer wing plate 2 provided by the invention can be rectangular or right-angled triangular. If a rectangular outer wing plate is adopted, the length of the side edge fixedly connected with the wall body is the height of the rectangular outer wing plate, and the length of the bottom edge flush with the bottom surface of the wall body is the width of the rectangular outer wing plate, specifically, the height is 300-. If a right-angled triangle outer wing plate is adopted, the side edge of the right-angled triangle outer wing plate fixedly connected with the wall body and the bottom edge flush with the bottom surface of the wall body are two right-angled edges, and the side length of the bottom edge of the right-angled triangle is 200-300 mm; the height is 300-.
The thickness of the anchoring plate 3 is determined according to the thickness of the steel plate of the upper steel pipe bundle wall body and is generally 20-25 mm.
The construction method of the steel pipe bundle wall and foundation connection node comprises the following steps:
1) when the steel tube bundle wall is prefabricated in a factory, an outer wing plate is welded at the bottom of the steel tube bundle wall, a fillet weld is welded, and the height of a weld leg is 6 mm;
2) the wall body of prefabricated steel tube bank wall body cushion cap accepts the structure: setting the shape of an anchoring plate according to the shape of the steel pipe bundle wall, and fixedly connecting an anchor bar and an anchor rod at the bottom of the anchoring plate;
3) before the concrete of the bearing platform is poured, the bearing structure of the wall body is fixed, so that the anchor bars and the anchor rods are poured in the concrete, the anchoring plates are exposed on the surface of the concrete, and the anchoring plates are flush with the concrete of the bearing platform;
4) and (3) welding the construction steel pipe bundle wall body and the anchoring plate, adopting fillet welding, and welding and fixing the outer periphery of the steel pipe bundle wall body and the outer wing plate with the anchoring plate, wherein the height of a welding leg is 6 mm.
The invention has the beneficial effects that: the invention effectively enlarges the connecting area between the bottom of the steel tube bundle wall and the anchoring plate, can realize the design concept of a strong wall root, enhances the stability of the bottom of the wall, is convenient for welding and ensures the welding quality.
Claims (8)
1. The utility model provides a steel-pipe bundle wall body and basic connected node, includes steel-pipe bundle wall body and cushion cap, characterized by: a wall body bearing structure is embedded in the bearing platform and comprises an anchoring plate, and a plurality of steel bar connectors are uniformly arranged on the lower surface of the anchoring plate along the length direction and fixedly connected with anchor bars; two ends of the lower side of the anchoring plate are fixedly connected with anchor rods; the anchor rods and the anchor bars are embedded in the concrete, and the anchoring plates are flush with the surface of the bearing platform; the bottom of the steel pipe bundle wall body is provided with an outer wing plate vertical to the surface of the wall body; the side edge of the outer wing plate is fixedly connected with the wall body, and the bottom edge of the outer wing plate is flush with the bottom surface of the wall body; and the bottom surface of the steel pipe bundle wall body and the bottom edge of the outer wing plate are welded and fixed with the surface of the anchoring plate.
2. The steel pipe bundle wall and foundation connection node of claim 1, wherein: and at least one group of symmetrical outer wing plates are arranged on each steel pipe bundle combined into the wall body by the outer wing plates.
3. The steel pipe bundle wall and foundation connection node of claim 1, wherein: the outer wing plates are arranged on the inner side, the outer side and the wall side end face of the wall body, and the inner side of the wall body is symmetrical to the outer wing plates on the outer side.
4. The steel pipe bundle wall and foundation connection node of claim 1, wherein: the outer wing plate and the wall body are fillet welds, and the height of a weld leg is 6 mm; the height of the weld leg at the welding positions of the bottom surface of the steel pipe bundle wall body and the bottom edge of the outer wing plate and the anchoring plate is 6 mm.
5. The steel pipe bundle wall and foundation connection node of claim 1, wherein: the outer wing plate is rectangular, the length of the side edge fixedly connected with the wall body is the height of the outer wing plate, the length of the bottom edge flush with the bottom surface of the wall body is the width of the outer wing plate, the height of the outer wing plate is 500mm, and the width of the outer wing plate is 200 mm.
6. The steel pipe bundle wall and foundation connection node of claim 1, wherein: the outer wing plate is a right-angled triangle, the side edge of the outer wing plate fixedly connected with the wall body and the bottom edge of the outer wing plate flush with the bottom surface of the wall body are two right-angled edges, the height of the triangle is 300-fold and 500-fold, and the length of the bottom edge is 200-fold and 300 mm.
7. The steel pipe bundle wall and foundation connection node of claim 1, wherein: the anchoring plates are arranged according to the trend of the wall body, and the width of each anchoring plate is more than or equal to the sum of the thickness of the wall body and the width of the outer wing plates on the two sides.
8. The construction method of the steel pipe bundle wall and the foundation connection node according to any one of the preceding claims, comprising the following steps:
1) when the steel tube bundle wall is prefabricated in a factory, an outer wing plate is welded at the bottom of the steel tube bundle wall, a fillet weld is welded, and the height of a weld leg is 6 mm;
2) the wall body of prefabricated steel tube bank wall body cushion cap accepts the structure: setting the shape of an anchoring plate according to the shape of the steel pipe bundle wall, and fixedly connecting an anchor bar and an anchor rod at the bottom of the anchoring plate;
3) before the concrete of the bearing platform is poured, the bearing structure of the wall body is fixed, so that the anchor bars and the anchor rods are poured in the concrete, the anchoring plates are exposed on the surface of the concrete, and the anchoring plates are flush with the concrete of the bearing platform;
4) and (3) welding the construction steel pipe bundle wall body and the anchoring plate, adopting fillet welding, and welding and fixing the outer periphery of the steel pipe bundle wall body and the outer wing plate with the anchoring plate, wherein the height of a welding leg is 6 mm.
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CN201911344874.8A CN110939220A (en) | 2019-12-24 | 2019-12-24 | Steel pipe bundle wall and foundation connecting node and construction method thereof |
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KR20110128396A (en) * | 2010-05-24 | 2011-11-30 | 이창남 | Pre-embedded anchor frame equipped with coupler and anchoring method of steel column thereof |
CN104047379A (en) * | 2014-05-05 | 2014-09-17 | 浙江杭萧钢构股份有限公司 | Steel tube bundle composite structure shear wall field splice node |
CN207700529U (en) * | 2017-12-27 | 2018-08-07 | 杭萧钢构股份有限公司 | A kind of foot joint of steel pipe bundle |
CN208056126U (en) * | 2018-04-03 | 2018-11-06 | 保定市建筑设计院有限公司 | A kind of connecting node construction of steel pipe bundle concrete walls and Base isolation system |
CN109555151A (en) * | 2018-10-30 | 2019-04-02 | 上海市政工程设计研究总院(集团)有限公司 | Precast concrete column combines connecting structure and construction method with the steel reinforced concrete of cushion cap |
CN209353363U (en) * | 2018-11-08 | 2019-09-06 | 河南绿建建筑科技有限公司 | Steel concrete compound tube and foundation connection joint structure |
CN110565802A (en) * | 2019-08-16 | 2019-12-13 | 青岛理工大学 | steel tube bundle combined shear wall and steel beam connecting node |
CN211572137U (en) * | 2019-12-24 | 2020-09-25 | 杭萧钢构(河北)建设有限公司 | Steel pipe bundle wall and foundation connecting node |
-
2019
- 2019-12-24 CN CN201911344874.8A patent/CN110939220A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110128396A (en) * | 2010-05-24 | 2011-11-30 | 이창남 | Pre-embedded anchor frame equipped with coupler and anchoring method of steel column thereof |
CN104047379A (en) * | 2014-05-05 | 2014-09-17 | 浙江杭萧钢构股份有限公司 | Steel tube bundle composite structure shear wall field splice node |
CN207700529U (en) * | 2017-12-27 | 2018-08-07 | 杭萧钢构股份有限公司 | A kind of foot joint of steel pipe bundle |
CN208056126U (en) * | 2018-04-03 | 2018-11-06 | 保定市建筑设计院有限公司 | A kind of connecting node construction of steel pipe bundle concrete walls and Base isolation system |
CN109555151A (en) * | 2018-10-30 | 2019-04-02 | 上海市政工程设计研究总院(集团)有限公司 | Precast concrete column combines connecting structure and construction method with the steel reinforced concrete of cushion cap |
CN209353363U (en) * | 2018-11-08 | 2019-09-06 | 河南绿建建筑科技有限公司 | Steel concrete compound tube and foundation connection joint structure |
CN110565802A (en) * | 2019-08-16 | 2019-12-13 | 青岛理工大学 | steel tube bundle combined shear wall and steel beam connecting node |
CN211572137U (en) * | 2019-12-24 | 2020-09-25 | 杭萧钢构(河北)建设有限公司 | Steel pipe bundle wall and foundation connecting node |
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