CN108331261B - Steel pipe high-strength concrete shear wall connecting beam longitudinal bar anchoring structure - Google Patents
Steel pipe high-strength concrete shear wall connecting beam longitudinal bar anchoring structure Download PDFInfo
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- CN108331261B CN108331261B CN201810385383.7A CN201810385383A CN108331261B CN 108331261 B CN108331261 B CN 108331261B CN 201810385383 A CN201810385383 A CN 201810385383A CN 108331261 B CN108331261 B CN 108331261B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
- E04B2/62—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members the members being formed of two or more elements in side-by-side relationship
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reinforcement Elements For Buildings (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a steel pipe high-strength concrete shear wall connecting beam longitudinal rib anchoring structure, wherein the anchoring structure positioned in the shear wall comprises a plurality of groups of anchoring components; the anchoring assembly comprises two anchoring ribs, wherein each anchoring rib comprises a first section of steel bar, a second section of steel bar and an arc section of steel bar which is integrally formed and is used for connecting the first section of steel bar and the second section of steel bar; the first section of steel bars anchored in the shear wall is positioned at one side of the steel pipe, and the second section of steel bars anchored in the shear wall is positioned at the other side of the steel pipe; the connecting beam longitudinal ribs comprise straight anchor longitudinal ribs and buckle longitudinal ribs, one ends of the straight anchor longitudinal ribs are anchored in the connecting beam, the other ends of the straight anchor longitudinal ribs extend into the shear wall and are anchored in the shear wall, and the straight anchor longitudinal ribs are positioned on the side edges of the steel pipes; one end of the buckling longitudinal bar is buckled on the arc section steel bar, and the buckling longitudinal bar extends into the connecting beam. The invention solves the problem that part of connecting beam longitudinal ribs cannot extend into the shear wall for anchoring due to the fact that the steel pipes are arranged at the edges of the steel pipe high-strength concrete shear wall, and belongs to the field of constructional engineering.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure.
Background
Shear walls are a very widely used type of component in construction engineering for bearing vertical loads (e.g., self-weight of a building, load in use, etc.) and horizontal actions (e.g., wind, horizontal earthquake, etc.). The appearance of the steel pipe high-strength concrete shear wall aims to solve the problem that the high-strength concrete shear wall is poor in ductility and energy consumption capability when the high-strength concrete is applied to the shear wall.
The steel pipe high-strength concrete shear wall is a steel-concrete composite shear wall formed by embedding a plurality of steel pipes in the high-strength concrete shear wall at equal intervals. And steel pipes arranged at the edge of the shear wall prevent part of the connecting beam longitudinal ribs from extending into the shear wall for anchoring. At present, no technology can realize the anchoring of the buckle longitudinal ribs in the shear wall.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention aims at: the steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure solves the problem that part of connecting beam longitudinal ribs cannot extend into a shear wall for anchoring due to the fact that steel tubes are arranged at the edges of the steel tube high-strength concrete shear wall.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the steel pipe high-strength concrete shear wall is connected with the girder and the longitudinal rib anchoring structure, the steel pipe is positioned in the shear wall, and the girder is connected with the shear wall; the anchoring structure positioned in the shear wall comprises a plurality of groups of anchoring components; the group of anchoring assemblies comprise two anchoring ribs which are distributed up and down, and the U-shaped anchoring ribs comprise a first section of reinforcing steel bar, a second section of reinforcing steel bar and an arc section of reinforcing steel bar which is connected with the first section of reinforcing steel bar and the second section of reinforcing steel bar which are integrally formed; the first section of steel bars anchored in the shear wall is positioned at one side of the steel pipe, and the second section of steel bars anchored in the shear wall is positioned at the other side of the steel pipe; the connecting beam longitudinal ribs comprise straight anchor longitudinal ribs and buckle longitudinal ribs, one ends of the straight anchor longitudinal ribs are anchored in the connecting beam, the other ends of the straight anchor longitudinal ribs extend into the shear wall and are anchored in the shear wall, and the straight anchor longitudinal ribs are positioned on the side edges of the steel pipes; one end of the buckling longitudinal bar is buckled on the arc section steel bar, and the buckling longitudinal bar extends into the connecting beam.
Further is: the buckle longitudinal rib is positioned in the connecting beam and is positioned on the upper part or the lower part of the connecting beam, and the buckle longitudinal rib is positioned in the range of the steel pipe when seen from the left view or the right view.
Further is: the buckle longitudinal bar is a bar-shaped steel bar, the end part of the buckle longitudinal bar is provided with an anchoring piece, one arc-shaped steel bar in the anchoring assembly is buckled on the upper part of the anchoring piece, and the other arc-shaped steel bar in the anchoring assembly is buckled on the lower part of the anchoring piece.
Further is: the anchor piece is an anchor plate, and the buckle longitudinal ribs are welded on the anchor plate.
Further is: the anchor piece is two welding bars, and two welding bars paste and weld the upper and lower both sides at buckle longitudinal bar tip.
Further is: the buckle longitudinal bars comprise integrally formed first section longitudinal bars, second section longitudinal bars and connecting longitudinal bars for connecting the first section longitudinal bars and the second section longitudinal bars, the first section longitudinal bars and the second section longitudinal bars are horizontally arranged, the connecting longitudinal bars are vertically arranged, the first section longitudinal bars are positioned at the upper part of the connecting beam, and the second section longitudinal bars are positioned at the lower part of the connecting beam; two circular arc section reinforcing bars in one set of anchor assembly are buckled at the bending part of the first section reinforcing bar and the connecting longitudinal bar, and two circular arc section reinforcing bars in the other set of anchor assembly are buckled at the bending part of the second section reinforcing bar and the connecting longitudinal bar.
Further is: the arc section steel bar is semicircle, and its diameter is greater than the external diameter of steel pipe.
Further is: the section area of the anchoring rib is larger than 1/4 of the total area of all the buckling longitudinal ribs buckled on the anchoring rib.
In general, the invention has the following advantages:
the invention solves the problem that part of connecting beam longitudinal ribs (buckling longitudinal ribs) cannot extend into the shear wall for anchoring due to the fact that the steel pipe is arranged at the edge of the steel pipe high-strength concrete shear wall. The technical blank that the longitudinal ribs of the steel tube high-strength concrete shear wall connecting beam are effectively anchored to the shear wall is filled, the theoretical system of the steel tube high-strength concrete shear wall is perfected, and the steel tube high-strength concrete shear wall connecting beam has the advantages of easiness in construction, reliability in force transmission and the like.
Drawings
Fig. 1 is a schematic structural view of a set of anchor assemblies.
Fig. 2 is a schematic structural view of a first type of buckling longitudinal bar, and an anchor at the end of the buckling longitudinal bar is a short bar.
Fig. 3 is a schematic structural view of a first type of buckling longitudinal bar, and an anchor at the end of the buckling longitudinal bar is an anchor plate.
Fig. 4 is a schematic structural view of two second type of buckling longitudinal ribs.
Fig. 5 is a top view of a first type of snap-in longitudinal bar anchored in a shear wall with an anchor assembly.
Fig. 6 is a vertical cross-section of a first type of snap-in longitudinal bar anchored in a shear wall with an anchor assembly.
Fig. 7 is a top view of a second type of snap-in longitudinal bar anchored in a shear wall with an anchor assembly.
Fig. 8 is a vertical cross-section of a second type of snap-in longitudinal bar anchored within a shear wall with an anchor assembly.
Fig. 9 is a vertical cross-section of a second type of snap-in longitudinal bar anchored in shear walls with an anchor assembly, with a tie beam connecting the two shear walls.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
In order to facilitate the unified viewing of the various reference numerals within the drawings of the specification, the reference numerals appearing in the drawings of the specification are now collectively described as follows:
1 is an anchoring rib, 2 is a first type of buckling longitudinal rib, 3 is a second type of buckling longitudinal rib, 4 is a straight anchoring longitudinal rib, 5 is a steel pipe, 6 is a shear wall, 7 is a connecting beam, 8 is a welding rib, 9 is an anchor plate, 1-1 is a first section of reinforcing steel bar, 1-2 is a second section of reinforcing steel bar, 1-3 is an arc section of reinforcing steel bar, 3-1 is a first section of longitudinal rib, 3-2 is a second section of longitudinal rib, and 3-3 is a connecting longitudinal rib.
For convenience of description, the following orientations will be described below: the directions of up, down, left, right, front and back, which will be described later, are consistent with the orientation of the projected relationship of fig. 6 itself.
In the existing steel tube high-strength concrete shear wall, a steel tube is vertically positioned in the shear wall, a connecting beam is connected with the shear wall and is parallel to the ground, the connecting beam is used for connecting two shear walls, namely one end of the connecting beam is connected with the shear wall, and the other end of the connecting beam is connected with the other shear wall. The steel pipe high-strength concrete shear wall connecting beam longitudinal rib anchoring structure is characterized in that the anchoring structure positioned in the shear wall comprises a plurality of groups of anchoring components. The anchoring structure is positioned at the edge of the interior of the shear wall, namely, the anchoring structure is positioned at the junction of the connecting beam and the shear wall. As shown in fig. 1, the set of anchoring assemblies includes two vertically distributed anchoring ribs, the structures of the two anchoring ribs are identical, one anchoring rib is above and one anchoring rib is below, and the two anchoring ribs are in a set. The U-shaped anchoring bar comprises a first section of steel bar, a second section of steel bar and an arc section of steel bar which are integrally formed and are connected with the first section of steel bar and the second section of steel bar. The lengths of the first section of steel bars and the second section of steel bars meet the requirement of the concrete structural design specification (GB 50010-2010) on the anchoring length of the tension steel bars. The first section of steel bars anchored in the shear wall is positioned on one side (front side or rear side) of the steel tube, and the second section of steel bars anchored in the shear wall is positioned on the other side (rear side or front side) of the steel tube; the arc section steel bar is semicircle, and its diameter is greater than the external diameter of steel pipe to first section steel bar and second section steel bar can stretch into the shear force wall from the both sides of the steel pipe of shear force wall tip and realize the anchor. As shown in fig. 5, 6, 7 and 8, the connecting beam longitudinal ribs comprise straight anchor longitudinal ribs and buckling longitudinal ribs, namely, two connecting beam longitudinal ribs are adopted, one is the straight anchor longitudinal rib, and the other is the buckling longitudinal rib. The straight anchor longitudinal ribs are positioned at the edge of the front part and the edge of the rear part of the connecting beam. One end of each vertical anchor rib is anchored in the connecting beam, the other end of each vertical anchor rib extends into the shear wall and is anchored in the shear wall, the vertical anchor rib is positioned at the side edge of the steel pipe, and the vertical anchor rib extends into the shear wall from two sides of the steel pipe; the vertical anchor longitudinal ribs are positioned in the connecting beam and positioned at the front edge, extend into the shear wall from the front side of the steel pipe, and are positioned at the front side of the steel pipe; the vertical anchor longitudinal ribs positioned in the connecting beam and positioned at the rear edge extend into the shear wall from the rear side of the steel pipe, and the vertical anchor longitudinal ribs are positioned at the rear side of the steel pipe. The buckle is indulged the muscle and is located the inside of linking the roof beam and is located the centre of linking roof beam upper portion and the centre of lower part, and the buckle is indulged the muscle and is located the non-edge department of linking roof beam upper portion and linking the non-edge department of roof beam lower part promptly, and the buckle is indulged the muscle and is located the straight anchor of front and back edge and indulges between the muscle, looks at the direction in left side promptly or right side, and the buckle is indulged the muscle and is located the within range of steel pipe, and the steel pipe has blocked the buckle promptly and has indulged the muscle and stretch into in the shear force wall. The straight anchor longitudinal ribs are positioned at the edge of the connecting beam, and the buckling longitudinal ribs are positioned in the connecting beam. One end of the buckling longitudinal bar is buckled on the arc section steel bar, and then the buckling longitudinal bar stretches into the connecting beam. The connecting beam is internally provided with a straight anchor longitudinal rib and a buckle longitudinal rib, and the straight anchor longitudinal rib and the buckle longitudinal rib belong to a part of the connecting beam.
The buckle longitudinal rib is positioned in the connecting beam and is positioned on the upper part or the lower part of the connecting beam, and the buckle longitudinal rib is positioned in the range of the steel pipe when seen from the left view or the right view.
The buckle longitudinal rib has two forms, as shown in fig. 2 and 3, the first is: the buckle longitudinal bar is a bar-shaped steel bar, the end part of the buckle longitudinal bar is provided with an anchoring piece, one arc-shaped steel bar in the anchoring assembly is buckled on the upper part of the anchoring piece, and the other arc-shaped steel bar in the anchoring assembly is buckled on the lower part of the anchoring piece. The buckle longitudinal ribs positioned at the upper part of the connecting beam are provided with a group of anchoring components which can realize the anchoring of the buckle longitudinal ribs in the steel pipe high-strength concrete shear wall, the buckle longitudinal ribs positioned at the lower part of the connecting beam are provided with another group of anchoring components which can realize the anchoring of the buckle longitudinal ribs in the steel pipe high-strength concrete shear wall.
As shown in fig. 2 and 3, the anchoring member has various forms, one is an anchor plate, and the buckling longitudinal ribs are welded on the anchor plate. The other is that the anchoring piece is two welding bars, the welding bars are short bars, and the two welding bars are welded on the upper side and the lower side of the end part of the longitudinal bar of the buckle in a pasting way.
As shown in fig. 4, 7, 8 and 9, the second type of buckling longitudinal rib is: the buckle longitudinal bar comprises a first section longitudinal bar, a second section longitudinal bar and a connecting longitudinal bar, wherein the first section longitudinal bar and the second section longitudinal bar are integrally formed. The first section is indulged the muscle and is indulged the muscle level setting with the second section, and the connection is indulged the muscle and is vertically set up, and the first section is indulged the muscle and is located the upper portion of linking the roof beam, and the second section is indulged the muscle and is located the lower part of linking the roof beam. In the two anchor assemblies, two arc section steel bars in the upper group of anchor assemblies are buckled at the bending positions of the first section steel bars and the connecting longitudinal bars, and two arc section steel bars in the lower group of anchor assemblies are buckled at the bending positions of the second section steel bars and the connecting longitudinal bars. Namely, the connecting longitudinal bars sequentially penetrate through the four arc-section steel bars, are positioned in the arc-section steel bars and are in contact with the arc-section steel bars. The two types of buckle longitudinal ribs can be flexibly mixed for use.
The section area of the anchoring rib is larger than 1/4 of the total area of all the buckling longitudinal ribs buckled on the anchoring rib.
During construction, the vertical anchor longitudinal bars directly pass through two sides of the steel pipe and extend into the shear wall to be anchored; and because the steel pipe arranged at the end part of the shear wall is blocked, the buckling longitudinal bars cannot extend into the shear wall to be anchored, the buckling longitudinal bars are anchored in the shear wall through the anchoring bars, and the buckling longitudinal bars are buckled on the arc section steel bars to realize the anchoring in the shear wall. The anchoring structure can realize the anchoring of the buckling longitudinal ribs in the steel pipe high-strength concrete shear wall. When the buckle longitudinal ribs are pulled, the buckle longitudinal ribs pull the anchoring ribs, and the anchoring ribs are anchored in the shear wall, so that force is transmitted into the shear wall.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (8)
1. The steel pipe high-strength concrete shear wall is connected with the girder and the longitudinal rib anchoring structure, the steel pipe is positioned in the shear wall, and the girder is connected with the shear wall; the method is characterized in that: the anchoring structure positioned in the shear wall comprises a plurality of groups of anchoring components; the group of anchoring assemblies comprise two anchoring ribs which are distributed up and down, and the U-shaped anchoring ribs comprise a first section of reinforcing steel bar, a second section of reinforcing steel bar and an arc section of reinforcing steel bar which is connected with the first section of reinforcing steel bar and the second section of reinforcing steel bar which are integrally formed; the first section of steel bars anchored in the shear wall is positioned at one side of the steel pipe, and the second section of steel bars anchored in the shear wall is positioned at the other side of the steel pipe; the connecting beam longitudinal ribs comprise straight anchor longitudinal ribs and buckle longitudinal ribs, one ends of the straight anchor longitudinal ribs are anchored in the connecting beam, the other ends of the straight anchor longitudinal ribs extend into the shear wall and are anchored in the shear wall, and the straight anchor longitudinal ribs are positioned on the side edges of the steel pipes; one end of the buckling longitudinal bar is buckled on the arc section steel bar, and the buckling longitudinal bar extends into the connecting beam.
2. The steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 1, wherein: the buckle longitudinal rib is positioned in the connecting beam and is positioned on the upper part or the lower part of the connecting beam, and the buckle longitudinal rib is positioned in the range of the steel pipe when seen from the left view or the right view.
3. The steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 1, wherein: the buckle longitudinal bar is a bar-shaped steel bar, the end part of the buckle longitudinal bar is provided with an anchoring piece, one arc-shaped steel bar in the anchoring assembly is buckled on the upper part of the anchoring piece, and the other arc-shaped steel bar in the anchoring assembly is buckled on the lower part of the anchoring piece.
4. A steel pipe high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 3, characterized in that: the anchor piece is an anchor plate, and the buckle longitudinal ribs are welded on the anchor plate.
5. A steel pipe high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 3, characterized in that: the anchor piece is two welding bars, and two welding bars paste and weld the upper and lower both sides at buckle longitudinal bar tip.
6. The steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 1, wherein: the buckle longitudinal bars comprise integrally formed first section longitudinal bars, second section longitudinal bars and connecting longitudinal bars for connecting the first section longitudinal bars and the second section longitudinal bars, the first section longitudinal bars and the second section longitudinal bars are horizontally arranged, the connecting longitudinal bars are vertically arranged, the first section longitudinal bars are positioned at the upper part of the connecting beam, and the second section longitudinal bars are positioned at the lower part of the connecting beam; two circular arc section reinforcing bars in one set of anchor assembly are buckled at the bending part of the first section reinforcing bar and the connecting longitudinal bar, and two circular arc section reinforcing bars in the other set of anchor assembly are buckled at the bending part of the second section reinforcing bar and the connecting longitudinal bar.
7. The steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 1, wherein: the arc section steel bar is semicircle, and its diameter is greater than the external diameter of steel pipe.
8. The steel tube high-strength concrete shear wall connecting beam longitudinal rib anchoring structure according to claim 1, wherein: the section area of the anchoring rib is larger than 1/4 of the total area of all the buckling longitudinal ribs buckled on the anchoring rib.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810385383.7A CN108331261B (en) | 2018-04-26 | 2018-04-26 | Steel pipe high-strength concrete shear wall connecting beam longitudinal bar anchoring structure |
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| CN201810385383.7A CN108331261B (en) | 2018-04-26 | 2018-04-26 | Steel pipe high-strength concrete shear wall connecting beam longitudinal bar anchoring structure |
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| CN108331261A CN108331261A (en) | 2018-07-27 |
| CN108331261B true CN108331261B (en) | 2023-10-20 |
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| CN109853740A (en) * | 2019-03-01 | 2019-06-07 | 华南理工大学 | A kind of superposed column concrete girder connection construction and construction method |
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