CN113293889A - Fabricated composite wall vertical joint energy-consumption connecting structure and construction method thereof - Google Patents
Fabricated composite wall vertical joint energy-consumption connecting structure and construction method thereof Download PDFInfo
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- CN113293889A CN113293889A CN202110745276.2A CN202110745276A CN113293889A CN 113293889 A CN113293889 A CN 113293889A CN 202110745276 A CN202110745276 A CN 202110745276A CN 113293889 A CN113293889 A CN 113293889A
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000005265 energy consumption Methods 0.000 title abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 110
- 239000010959 steel Substances 0.000 claims abstract description 110
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 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
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an energy-consuming connecting structure for vertical joints of an assembled composite wall and a construction method thereof, wherein the energy-consuming connecting structure is uniformly arranged between vertical joints of walls of a first wall and a second wall and is respectively positioned at the end parts of rib beams of the first wall and the second wall; the energy-consuming connecting structure comprises a first embedded part, an energy-consuming steel plate and a second embedded part; the first embedded part and the second embedded part are symmetrically arranged between the vertical seams of the wall body and are respectively and fixedly arranged at the end parts of the rib beams of the first wall body and the second wall body; the energy dissipation steel plate is arranged between the first embedded part and the second embedded part; two ends of the energy-consuming steel plate are fixedly connected with a first embedded part and a second embedded part respectively through high-strength bolts; according to the invention, the energy-consuming connecting structures are uniformly arranged at the end parts of the rib beams of the composite wall along the vertical seams of the wall body, and the two ends of the energy-consuming steel plate are respectively connected with the wall body through the embedded parts, so that the double functions of connection, energy consumption and vibration reduction are achieved; simple structure, construction convenience, the energy consumption steel sheet only need demolish the bolt after damaging, can realize changing.
Description
Technical Field
The invention belongs to the technical field of assembly type composite walls, and particularly relates to a vertical joint energy-consumption connecting structure of an assembly type composite wall and a construction method thereof.
Background
At present, building industrialization and housing industrialization are in an important development stage, and how to get rid of the existing single land development mode makes the housing industry develop more rationally and orderly; the traditional construction method has the disadvantages of poor construction condition, high management difficulty, high labor cost, short construction period, low efficiency and difficult guarantee of construction quality; fabricated buildings refer to buildings constructed from prefabricated parts by means of a reliable connection, and the connection of the prefabricated parts must be reliable.
The connection of the assembled wall structure is divided into horizontal seam connection and vertical seam connection, and the vertical seam is mainly used for transmitting acting force between adjacent components, bearing vertical shearing force and ensuring the integral stability of the structure; the traditional vertical seam connection mode, such as post-cast strip connection, bolt connection and welding connection, is based on the design principle of equal cast-in-place, belongs to strong connection, and can ensure good anti-seismic performance, but the post-cast strip connection needs on-site wet operation, the construction process is complex, the bolt connection and welding connection structure is complex, the node performance is greatly influenced by the construction process and the environment, and under the action of an earthquake, the wall body around the seam is easily subjected to brittle failure, so that the connection fails.
Therefore, it is necessary to provide a new wall boundary connection technology to develop a highly efficient and reliable connecting member.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an assembled composite wall vertical joint energy-consumption connecting structure and a construction method thereof, and aims to solve the technical problems that the existing wall vertical joint connecting construction process is complex, the node performance is greatly influenced by the construction process and the environment, and the wall around the joint is easily subjected to brittle failure to cause connection failure.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides an energy-consuming connecting structure for vertical joints of an assembled composite wall, which is uniformly arranged between vertical joints of walls of a first wall and a second wall and is respectively positioned at the end parts of rib beams of the first wall and the second wall; the energy-consuming connecting structure comprises a first embedded part, an energy-consuming steel plate and a second embedded part;
the first embedded part and the second embedded part are symmetrically arranged between the vertical seams of the wall body and are respectively and fixedly arranged at the end parts of the rib beams of the first wall body and the second wall body; the energy dissipation steel plate is arranged between the first embedded part and the second embedded part; and two ends of the energy-consuming steel plate are fixedly connected with the first embedded part and the second embedded part respectively through high-strength bolts.
Furthermore, the first embedded part and the second embedded part have the same structure and comprise a web plate, an anchor plate and an end plate; the web plate is vertically arranged at the end part of the rib beam of the first wall body or the second wall body and is vertical to the plane of the wall body;
the anchor plate is arranged on one side of the web plate and is parallel to the plane of the wall body; one end of the anchor plate is vertically fixed with the web plate, and the other end of the anchor plate is embedded in a rib beam of the first wall body or the second wall body; the end plate is arranged on the other side of the web plate and is parallel to the plane of the wall body;
one end of the end plate is vertically fixed with the web plate, and the other end of the end plate is fixedly connected with the energy consumption steel plate; one end of the energy dissipation steel plate is fixedly connected with the end plate of the first embedded part through a high-strength bolt, and the other end of the energy dissipation steel plate is fixedly connected with the end plate of the second embedded part through a high-strength bolt.
Furthermore, the number of the anchor plates and the number of the end plates in the first embedded part or the second embedded part are two respectively; the two anchor plates are vertically parallel and embedded in a rib beam of the first wall body or the second wall body; the two end plates are vertically parallel, and the distance between the two end plates is greater than the distance between the two anchor plates; and the two end plates in the first embedded part are fixedly connected with the two end plates in the second embedded part through two energy-consuming steel plates respectively.
Furthermore, the width of the web plate is matched with the wall thickness of the first wall or the second wall; the length of the web is less than the height of the rib beam of the first wall or the second wall.
Furthermore, the first embedded part or the second embedded part further comprises anchor bars, one ends of the anchor bars are fixedly connected with the anchor plate, and the other ends of the anchor bars are embedded in the rib beam of the first wall body or the second wall body.
Furthermore, the anchor bars are U-shaped embedded anchor bars, and two ends of the U-shaped embedded anchor bars are welded and fixed with two sides of the anchor plate.
Furthermore, the anchor plate and the web plate are fixed by welding, and the end plate and the web plate are fixed by welding.
Furthermore, the energy-consuming steel plate is a rectangular low-yield steel plate.
Furthermore, the middle part of the energy-consuming steel plate is provided with a steel plate opening, and the long axis of the steel plate opening is arranged in the horizontal direction; the steel plate is provided with a plurality of round-angle rectangular holes, a plurality of rhombic holes or regular polygonal holes; wherein, a plurality of fillet rectangle holes or a plurality of diamond holes vertical interval set up.
The invention also provides a construction method of the assembled composite wall perps energy-consuming connection structure, which comprises the following steps:
step 1, processing the assembly
Processing and manufacturing a first embedded part, a second embedded part and an energy-consuming steel plate according to requirements;
Binding a first wall body or a second wall body reinforcing steel bar, installing a first embedded part at the end part of a rib beam of the first wall body, installing a second embedded part at the end part of the rib beam of the second wall body, erecting a mold, pouring concrete, and removing the mold to obtain the first wall body and the second wall body;
After the first wall body and the second wall body reach the preset strength, hoisting the first wall body and the second wall body to the preset position; and then, arranging an energy-consuming steel plate between the corresponding first embedded part and the second embedded part, and being beneficial to fixedly connecting two ends of the energy-consuming steel plate with the first embedded part and the second embedded part respectively by using high-strength bolts.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an assembled composite wall vertical joint energy-consuming connecting structure and a construction method thereof, wherein the energy-consuming connecting structure is uniformly arranged at the end part of a rib beam of a composite wall along a wall vertical joint, and two ends of an energy-consuming steel plate are respectively connected with the wall through embedded parts, so that the effect of connecting the wall vertical joint is achieved; under the action of small vibration, the connection strength and rigidity of adjacent walls can be ensured; under the action of a large earthquake, the bearing capacity of the central section of the energy-consuming steel plate is properly weakened by forming holes in the energy-consuming steel plate, so that deformation is concentrated at the energy-consuming steel plate, the deformation enters a plastic stage first, the earthquake response of the structure is reduced through the generated plastic property, and the effects of energy consumption and vibration reduction are achieved; meanwhile, the energy consumption steel plate is connected with the embedded part through the high-strength bolt, and only the bolt needs to be removed in the repairing or replacing process after the earthquake, so that the energy consumption steel plate can be replaced and repaired, and the energy consumption steel plate is simple in structure and convenient to construct.
Furthermore, the embedded part is provided with the anchor plate and the end plate on two sides of the web plate respectively, so that the stability and reliability of the connection between the embedded part and the wall body are ensured, and the strength of the embedded part is ensured.
Furthermore, the distance between the two end plates is larger than the distance between the two anchor plates, so that stress concentration is avoided.
Furthermore, the two anchor plates and the end plates are respectively arranged, so that the connection strength and the rigidity of the embedded part are effectively improved.
Furthermore, the anchor bars are arranged and embedded in the rib beam, so that enough anchoring strength is provided for the embedded parts.
Furthermore, the energy-consuming steel plate is made of low-yield steel, the cross section is weakened through holes in different forms, the position of the plastic hinge is controllable, deformation of the rib beam and the rib column node is transferred to the energy-consuming connecting piece, and damage to the wall is effectively reduced.
Furthermore, the opening on the energy-consuming steel plate is in the form of round-corner rectangles, rhombuses and polygons, so that different energy-consuming requirements are met, and the application range of the energy-consuming connecting structure is expanded.
Drawings
FIG. 1 is a schematic view of an assembly structure of the fabricated composite wall perps energy-consuming connection structure according to the present invention;
FIG. 2 is a schematic overall structure diagram of the fabricated composite wall perps energy-consuming connection structure according to the present invention;
FIG. 3 is a top view of the fabricated composite wall perps energy-consuming connection structure according to the present invention;
FIG. 4 is a schematic structural view of a dissipative steel sheet according to example 1;
FIG. 5 is a schematic structural view of a dissipative steel sheet according to example 2;
fig. 6 is a schematic structural view of the energy dissipating steel plate in example 3.
The energy-consuming wall comprises a first wall body 1, a second wall body 2 and an energy-consuming connecting piece 3; 31 web plates, 32 anchor plates, 33 end plates, 34 anchor bars, 35 energy-consuming steel plates, 36 high-strength bolts, 37 nuts, 38 gaskets and 39 end plate bolt holes; 351 steel plates are provided with holes, and 352 steel plate bolt holes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following embodiments further describe the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an energy-consuming connecting structure for vertical seams of an assembled composite wall, which is uniformly arranged between vertical seams of a first wall body 1 and a second wall body 2 and respectively positioned at the end parts of rib beams of the first wall body 1 and the second wall body 2; the energy-consuming connecting structure comprises a first embedded part, an energy-consuming steel plate 35 and a second embedded part; the first embedded part and the second embedded part are symmetrically arranged between the vertical seams of the wall body, and the energy-consuming steel plate 35 is arranged between the first embedded part and the second embedded part; two ends of the energy dissipation steel plate 35 are fixedly connected with the first embedded part and the second embedded part respectively through high-strength bolts 36.
The first embedded part and the second embedded part have the same structure and comprise a web plate 31, an anchor plate 32 and an end plate 33; the web 31 is vertically arranged at the end part of the rib beam of the first wall 1 or the second wall 2 and is vertical to the plane of the wall; the anchor plate 32 is arranged on one side of the web plate 31, and the anchor plate 32 is arranged in parallel with the plane of the wall body; one end of the anchor plate 32 is vertically fixed with the web plate 31, and the other end is embedded in a rib beam of the first wall body 1 or the second wall body 2; the end plate 33 is arranged at the other side of the web plate 31, and the end plate 33 is parallel to the plane of the wall body and is vertically fixed with the web plate 31; one end of the energy consumption steel plate 35 is fixedly connected with the end plate 33 of the first embedded part through a high-strength bolt 36, and the other end of the energy consumption steel plate is fixedly connected with the end plate 33 of the second embedded part through a high-strength bolt 36.
According to the invention, the energy-consuming connecting structures are uniformly arranged at the end parts of the rib beams of the composite wall along the vertical seams of the wall body, and the two ends of the energy-consuming steel plate are respectively connected with the wall body through the embedded parts, so that the double functions of connection and energy-consuming vibration reduction are achieved; under the action of small vibration, the connection strength and rigidity of adjacent walls can be ensured; under the action of a large earthquake, the energy-consuming steel plate firstly enters a plastic stage, and the earthquake response of the structure is reduced through the generated plastic property, so that the effects of energy consumption and vibration reduction are achieved; simple structure, construction convenience, the energy consumption steel sheet only need demolish the bolt after damaging, can realize changing.
The invention relates to a construction method of a vertical joint energy-consuming connecting structure of an assembled composite wall, which comprises the following steps:
step 1, processing the assembly
Processing and manufacturing a first embedded part, a second embedded part and an energy-consuming steel plate according to requirements;
Binding a first wall body or a second wall body reinforcing steel bar, installing a first embedded part at the end part of a rib beam of the first wall body, installing a second embedded part at the end part of the rib beam of the second wall body, erecting a mold, pouring concrete, and removing the mold to obtain the first wall body and the second wall body;
After the first wall body and the second wall body reach the preset strength, hoisting the first wall body and the second wall body to the preset position; and then, arranging an energy-consuming steel plate between the corresponding first embedded part and the second embedded part, and being beneficial to fixedly connecting two ends of the energy-consuming steel plate with the first embedded part and the second embedded part respectively by using high-strength bolts.
Example 1
As shown in fig. 1 to 4, the embodiment provides an energy-consuming connection structure for a fabricated composite wall perps, wherein the energy-consuming connection structure is uniformly arranged between the wall perps of a first wall 1 and a second wall 2 and is respectively located at the rib beam ends of the first wall 1 and the second wall 2.
The energy-consuming connecting structure comprises a first embedded part, an energy-consuming steel plate 35 and a second embedded part, wherein the first embedded part and the second embedded part are symmetrically arranged between vertical seams of the wall body; the first embedded part is arranged at the end part of a rib beam of the first wall body 1, and the second embedded part is arranged at the end part of a rib beam of the second wall body 2; the energy dissipation steel plate 35 is arranged between the first embedded part and the second embedded part, and two ends of the energy dissipation steel plate 35 are fixedly connected with the first embedded part and the second embedded part through high-strength bolts 36 respectively.
The first embedded part and the second embedded part have the same structure and comprise a web plate 31, two anchor plates 32, two end plates 33 and two anchor bars 34; the web 31 is vertically arranged at the end part of the rib beam of the first wall 1 or the second wall 2 and is vertical to the plane of the wall; the anchor plate 32 is disposed on one side of the web 31 and the end plate 33 is disposed on the other side of the web 31.
The two anchor plates 32 are vertically spaced and parallel and are respectively parallel to the plane of the wall body; one end of the anchor plate 32 is vertically fixed with the web plate 31, and the other end is embedded in a rib beam of the first wall body 1 or the second wall body 2; the two end plates 33 are vertically parallel and are respectively parallel to the plane of the wall body; one end of the end plate 33 is vertically fixed with the web plate 31, and the other end is fixedly connected with the energy consumption steel plate 35 through a high-strength bolt 36; one end of the energy consumption steel plate 35 is fixedly connected with the end plate 33 of the first embedded part through a high-strength bolt 36, and the other end of the energy consumption steel plate is fixedly connected with the end plate 33 of the second embedded part through a high-strength bolt 36.
The end plate 33 is provided with an end plate bolt hole 39, two ends of the energy consumption steel plate 35 are respectively provided with a steel plate bolt hole 352, the steel plate bolt holes 352 are matched with the end plate bolt holes 39, and the high-strength bolt 36 sequentially penetrates through the steel plate bolt holes 352 and the end plate bolt holes 39; the end plate 33 and the energy consumption steel plate 35 are fixedly connected together through a high-strength bolt 36, a nut 37 is arranged at the end of the high-strength bolt 36, and a gasket 38 is arranged between the nut 37 and the energy consumption steel plate 35.
The two anchor bars 34 are arranged in parallel up and down, one end of each anchor bar 34 is fixedly connected with the web plate 31, and the other end of each anchor bar 34 is embedded in the rib beam of the first wall body 1 or the second wall body 2; preferably, the anchor bars 34 are U-shaped embedded anchor bars, two ends of the U-shaped embedded anchor bars are welded and fixed with the web plate 31, and the anchor bars 34 are arranged outside the anchor plate 32.
In this embodiment, the distance between the two end plates 33 is greater than the distance between the two anchor plates 32; the two end plates 33 in the first embedded part are fixedly connected with the two end plates 33 in the second embedded part through two energy consumption steel plates 35 respectively; the width of the web 31 is matched with the wall thickness of the first wall 1 or the second wall 2; the length of the web 31 is less than the height of the rib beam of the first wall body 1 or the second wall body 2; the anchor plate 32 and the web plate 31 are fixed by welding, and the end plate 33 and the web plate 31 are fixed by welding.
In this embodiment, the energy consumption steel plate 35 is a rectangular low yield steel plate; the middle part of the energy consumption steel plate 35 is provided with a steel plate opening 351, and the long axis of the steel plate opening 351 is arranged in the horizontal direction; the steel plate openings 351 are a plurality of round-corner rectangular holes; wherein, a plurality of fillet rectangular holes set up at vertical interval.
The embodiment also provides a construction method of the assembling type composite wall perps energy-consuming connection structure, which comprises the following steps:
step 1, manufacturing embedded parts
Welding two anchor plates with the web respectively, wherein the two anchor plates are welded on the same side and are perpendicular to the web; the end plate is welded on the opposite side of the anchor plate, and the welding position is wider than the anchor plate, so that stress concentration is avoided; and welding the anchor bars with the anchor plates, wherein the strength of the welding line needs to meet the standard requirement.
Binding wall body reinforcing steel bars, arranging the energy-consuming connecting piece at the rib beam of the assembled composite wall, erecting a mold, pouring concrete, and removing the mold to form the prefabricated composite wall board.
Hoisting the prefabricated wall boards to the installation position, enabling the adjacent wall boards to be level in the horizontal direction, and after the vertical direction of the two prefabricated composite wall boards meets the requirement; and placing the energy-consuming steel plate and the high-strength bolt at corresponding positions, enabling the circle centers of the energy-consuming steel plate bolt hole, the end plate bolt hole and the high-strength bolt to coincide, placing a gasket, screwing a nut, and performing seam treatment after fixing.
Example 2
The structure and principle of the fabricated composite wall perps energy-consuming connection structure provided by the embodiment 2 are basically the same as those of the fabricated composite wall energy-consuming connection structure described in the embodiment 1, and the difference is that: as shown in fig. 5, the middle of the energy consumption steel plate 35 in example 2 is provided with a plurality of diamond-shaped holes 351; wherein, a plurality of diamond holes are arranged vertically at intervals.
Example 3
The structure and principle of the fabricated composite wall perps energy-consuming connection structure provided by the embodiment 3 are basically the same as those of the fabricated composite wall energy-consuming connection structure described in the embodiment 1, and the difference is that: as shown in fig. 6, the energy dissipating steel plate 35 of example 6 has a steel plate opening 351 having a regular polygonal shape in the middle.
According to the fabricated composite wall vertical joint energy-consuming connection structure and the construction method thereof, the energy-consuming connection structure can play a role in connection, energy consumption and shock absorption at the same time, and meanwhile, the fabricated composite wall vertical joint energy-consuming connection structure is low in cost, simple and convenient to construct and high in engineering applicability; the energy-consuming connecting structure comprises an embedded part and an energy-consuming steel plate; the embedded part comprises an anchor plate, an end plate, a web plate and an anchor bar; wherein, the anchor plate, the end plate, the web plate and the anchor bar are all made of common steel; the anchor plate and the end plate are connected with the web plate through welding, the anchor plate and the end plate are perpendicular to the web plate so as to ensure that the stress is uniform in the vertical direction, and the quality of a welding seam of the anchor plate and the end plate meets the GB50661-2011 Steel Structure welding Specification.
In the invention, the width of the web plate is consistent with the thickness of the wall body, and the length of the web plate is less than the height of a rib beam of the wall body, so that the embedded anchor plate can be anchored into the wall body, and the phenomenon of steel bar racking is avoided; the anchor bars are U-shaped anchor bars, and two ends of each anchor bar are respectively welded on the two anchor plates to provide enough anchoring strength for the embedded parts; the end plate is provided with a circular bolt hole so that the energy-consuming steel plate is connected with the end plate.
In the invention, the energy-consuming steel plate is made of low-yield steel, in order to make the energy-consuming connecting piece fully play a role, the energy-consuming steel plate is a rectangular low-yield steel plate with an opening in the middle and bolt holes at two ends, and plastic hinges appear at the energy-consuming connecting piece by weakening the cross section area of the steel plate, so that the position of the plastic hinges can be controlled; in addition, under the action of a large earthquake, the energy-consuming connecting piece at the vertical joint is generally most seriously damaged, and when the structure is repaired, the energy-consuming steel plate is only required to be detached to replace the energy-consuming connecting piece, so that the structure is quickly repaired.
The bolt holes formed in the energy-consuming steel plates are used for connecting the energy-consuming steel plates and the embedded parts, and the holes in the middle of the energy-consuming steel plates are designed into three different forms, namely a rounded rectangle, a rhombus and a regular polygon.
In the invention, the energy consumption steel plate and the end plate are connected by the high-strength bolt, and the high-strength bolt penetrates through bolt holes of the energy consumption steel plate and the end plate and is screwed and fixed by the gasket and the nut.
According to the fabricated composite wall perps energy-consuming connecting structure and the construction method thereof, the energy-consuming steel plate is made of low-yield steel, and the cross section is weakened by adopting holes in different forms, so that the position of a plastic hinge is controllable; the invention can play double roles of connection and energy dissipation and shock absorption, can ensure the connection strength and rigidity of adjacent walls under the action of small shock, and the energy dissipation connecting piece firstly enters a plastic stage under the action of large shock, so that the earthquake response of the structure is reduced through the generated plastic property, and the energy dissipation and shock absorption effects are played; the connection mode is simple to operate and convenient to construct, and the energy consumption steel plate can be replaced only by detaching the bolt after the energy consumption plate is damaged.
The above-described embodiment is only one of the embodiments that can implement the technical solution of the present invention, and the scope of the present invention is not limited by the embodiment, but includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed.
Claims (10)
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| CN115928905A (en) * | 2022-12-28 | 2023-04-07 | 中化学曙光建设有限公司 | A prefabricated building wall and its installation method |
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| CN203188399U (en) * | 2013-02-17 | 2013-09-11 | 王涛 | Metal damper utilizing steel plate surface internal deformation to consume energy |
| CN110820998A (en) * | 2019-11-19 | 2020-02-21 | 沈阳建筑大学 | A prefabricated prefabricated shear wall-column energy dissipation connection structure and construction method thereof |
| CN216892932U (en) * | 2021-06-30 | 2022-07-05 | 西安建筑科技大学 | Assembled composite wall perps power consumption connection structure |
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| CN115928905A (en) * | 2022-12-28 | 2023-04-07 | 中化学曙光建设有限公司 | A prefabricated building wall and its installation method |
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