CN114046078A - Assembly type shear wall with replaceable edge component - Google Patents
Assembly type shear wall with replaceable edge component Download PDFInfo
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- CN114046078A CN114046078A CN202111237052.7A CN202111237052A CN114046078A CN 114046078 A CN114046078 A CN 114046078A CN 202111237052 A CN202111237052 A CN 202111237052A CN 114046078 A CN114046078 A CN 114046078A
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- shear wall
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- lower connecting
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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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- 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
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an assembled shear wall structure with replaceable edge components, wherein concave corners are reserved in plastic zone ranges of wall corners on two sides of the assembled shear wall, the replaceable edge components are arranged at the concave corners, a web plate reinforcing steel plate is arranged in a web plate wall body, and steel cushion blocks are arranged at the wall corners of the web plate wall. The replaceable edge component includes: upper and lower connecting plate, power consumption part, high strength bolt. The upper and lower connecting plates and the energy consumption part are connected into a whole in a welding mode, and the part is connected with the wall body and the lower component through the high-strength bolt to work together. The invention can ensure that the performance of the assembled shear wall structure is equal to that of a cast-in-place shear wall structure, effectively realizes the plastic deformation control of the shear wall, concentrates the damage of the shear wall in a replaceable component area and achieves the effect of quick repair after the earthquake.
Description
Technical Field
The invention belongs to the technical field of earthquake resistance of building structure engineering, and particularly relates to an assembled shear wall with a replaceable edge component and an installation and use method thereof.
Background
In recent years, the goal of earthquake fortification of structures is gradually developing from the aspects of' falling from earthquake and life safety protection towards the direction of rapidly restoring normal living order of cities and residents after earthquake.
The reinforced concrete shear wall is used as a main lateral force resistant component in high-rise and super high-rise buildings and a first defense line for earthquake-proof design, and the earthquake-proof performance of the shear wall is of great importance to the safety of the structure. In high-rise buildings, the shear wall is generally subjected to bending failure, and deformation is mainly concentrated in a corner plastic hinge area. Meanwhile, compared with a cast-in-place shear wall, the anti-seismic performance of the fabricated shear wall is weakened to a certain extent, and the damage of a plastic hinge area of the shear wall is aggravated.
Therefore, how to design the fabricated shear wall with various performances equivalent to those of a cast-in-place fabricated shear wall, and how to not damage the fabricated shear wall or only damage the fabricated shear wall at a position capable of being rapidly repaired in an earthquake becomes one of the important problems of sustainable application of the fabricated shear wall to a building structure.
Disclosure of Invention
In order to solve the above problems, the present invention provides an assembled shear wall in which edge members are replaceable. The basic idea is that a part of edge components are dug out at the corners of the common reinforced concrete shear wall and replaced by replaceable edge components, so that the overall performance of the shear wall is equal to that of a cast-in-place test piece, and the purposes of replacement and easy repair are achieved.
The technical solution for realizing the aim of the invention is as follows: an assembled shear wall with replaceable edge components mainly comprises an assembled reinforced concrete shear wall body and the replaceable edge components. The wall corner parts on two sides of the assembled reinforced concrete shear wall are reserved with concave corners, and the wall part comprises a built-in web plate reinforced steel plate and an L-shaped wall angle steel cushion block. The reserved concave angle is provided with a replaceable edge component, and the edge component comprises an upper connecting plate, a lower connecting plate, an upper end plate, a high-strength bolt, an outer rectangular steel pipe and an energy-consuming steel plate.
The width of the steel plate along the length direction of the wall is less than 20mm of the width of the reserved concave angles at two sides of the assembly type reinforced concrete shear wall; the width of the steel plate in the wall thickness direction may be less than or equal to the wall thickness.
The size of the outer rectangular steel pipe is the same as or smaller than the length and width of the lower connecting plate, and the height of the outer rectangular steel pipe is smaller than the height of the reserved concave angle of the assembled reinforced concrete shear wall.
The energy-consuming steel plate is a straight steel plate and is arranged in the rectangular steel pipe wrapped outside, the outer surface of the steel plate is coated with silica gel, and concrete is poured around the steel plate.
The upper end plate is a steel plate, and the size of the upper end plate is 5mm smaller than the inner diameter of the outer rectangular steel pipe.
Compared with the prior art, the invention has the following remarkable characteristics:
1. the performance of the fabricated reinforced concrete shear wall is equal to that of a cast-in-place structure: the recessed corners are arranged at the corners on the two sides of the assembled shear wall, the recessed corners are cube blocks with the wall bodies dug out, the replaceable components are arranged at the recessed corners, and the web plate reinforcing steel plates are arranged on the wall bodies, so that the section rigidity and the bearing capacity of the shear wall are guaranteed, and meanwhile, the energy consumption capacity of the shear wall is improved to a certain extent, and the anti-seismic performance of the shear wall is improved.
2. The capability of quickly repairing after earthquake of the fabricated reinforced concrete shear wall is improved: the replaceable edge component is arranged in the plastic hinge area range of the shear wall, so that the deformation of the replaceable edge component is concentrated on the replaceable component, the wall body part does not deform or slightly deforms, and the edge component is directly replaced after the earthquake, and the operation is convenient.
Drawings
FIG. 1 is a schematic view of a replaceable edge component fabricated shear wall structure of the present invention.
Fig. 2 is an elevational view of the replaceable edge component.
Fig. 3 is a cross-sectional view of a replaceable edge component.
FIG. 4 is a schematic view of the attachment of the replaceable edge component to the wall.
Description of reference numerals: the prefabricated reinforced concrete shear wall comprises an upper component 1, an assembled reinforced concrete shear wall 2, a web plate reinforcing steel plate 3, a replaceable edge component 4, a wall angle steel cushion block 5, a lower component 6, bolt holes 7, an upper connecting plate 8, an upper end plate 9, stiffening ribs 10, an energy dissipation steel plate 11, concrete 12, an outer-wrapped rectangular steel pipe 13, a lower connecting plate 14, a bolt embedded sleeve 15 and a high-strength bolt 16.
Table 1 reference numerals and description
Detailed Description
The following detailed description of the invention is provided in conjunction with the accompanying drawings of fig. 1-4.
The invention provides an assembled shear wall structure with replaceable edge components, which is shown in figure 1: the prefabricated reinforced concrete shear wall comprises an assembled reinforced concrete shear wall 2, a web plate reinforced steel plate 3, a replaceable edge component 4, a wall corner steel cushion block 5 and an embedded bolt sleeve 15; wherein the assembled reinforced concrete shear wall 2 is respectively connected with the upper member 1 and the lower member 6; the web plate reinforced steel plate 3 is arranged in the shear wall, so that the reduction of rigidity and bearing capacity of the shear wall caused by weakening of the section is compensated; the wall corner steel cushion block 5 is L-shaped and is placed at the wall corner of the shear wall to prevent the wall corner from being damaged when the shear wall is subjected to external force.
The replaceable edge component 4 comprises an upper connecting plate 8, an upper end plate 9, a stiffening rib 10, an energy consumption steel plate 11, concrete 12, an outer-coated rectangular steel pipe 13, a lower connecting plate 14 and a high-strength bolt 16; the upper connecting plate 8 is provided with bolt holes 7 and is connected with embedded bolt sleeves 15 in the assembled reinforced concrete shear wall 2 through high-strength bolts 16; the lower connecting plate 14 is also provided with bolt holes 7 which are connected with embedded bolt sleeves 15 in the lower component 6 through high-strength bolts.
The two ends of the energy-consuming steel plate 11 are respectively provided with a stiffening rib 10, so that the stability of the steel plate outside the plane is enhanced, and the local damage is prevented; the centers of the energy consumption steel plates 11 are aligned with the centers of the upper connecting plate 8 and the lower connecting plate 14 and are connected in a welding mode;
the upper end of the rectangular outer-coated steel pipe 13 is opened, and the center of the lower end of the rectangular outer-coated steel pipe is aligned with the center of the lower connecting plate 14 and connected with the lower connecting plate in a welding mode; the upper connecting plate 8, the stiffening ribs 10, the energy dissipation steel plates 11, the rectangular outer-coated steel pipes 13 and the lower connecting plate 14 form a whole.
Concrete 12 is poured in the rectangular outer-coated steel pipe 13, the height of the poured concrete 12 is lower than that of the rectangular outer-coated steel pipe 13, and the steel pipe has the effect of restraining the concrete and the energy-consuming steel plate 11; the silica gel coating is arranged on the surface of the energy-consuming steel plate 11, so that the bonding between the energy-consuming steel plate 11 and the concrete 12 is relieved; meanwhile, an upper end plate 9 is placed on the upper surface of the concrete, and the upper end plate 9 is welded with an energy consumption steel plate 11; when the replaceable edge component 4 is subjected to a tensile force, the energy dissipating steel plate 11 is stretched alone; when the replaceable edge component 4 is subjected to a compressive force, the energy dissipating steel plates 11 bear the compressive force together with the concrete 12, since the concrete 12 in the steel duct is constrained by the rectangular outer cladding steel duct 13.
The rigidity and the bearing capacity of the assembled shear wall with the replaceable edge component, which is provided by the invention, can be basically equal to those of a cast-in-place shear wall, so that the problem of poor anti-seismic performance of the traditional assembled shear wall is solved; and when an earthquake occurs, the assembled shear wall structure with the replaceable edge components can ensure that deformation is concentrated in a replaceable area and a wall body part is not damaged. After the plastic hinge area is damaged, the high-strength bolt for connection can be taken down and replaced by a new replaceable edge component, so that the function can be quickly restored after the earthquake, the damage of the structure in the earthquake process and the difficulty and cost of reconstruction after the disaster are effectively reduced, and the personal and property safety of a user is guaranteed.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An assembled shear wall structure with removable edge component, includes assembled reinforced concrete's shear wall, characterized by: the shear wall is characterized in that concave angles are reserved on two sides of a corner, the concave angles are cube blocks formed by digging out the wall, a web plate wall is provided with a web plate reinforcing steel plate, the corner is provided with a wall angle steel cushion block, and the reserved concave angles can be provided with replaceable edge components; the replaceable edge component includes: the energy-saving steel-concrete shear wall comprises an upper connecting plate, a lower connecting plate, an upper end plate, an energy-consuming steel plate, an outer rectangular steel pipe, concrete and a high-strength bolt, wherein the upper connecting plate is connected with the assembly type reinforced concrete shear wall; the lower connecting plate is connected with the lower component; the energy-consuming steel plate is arranged in the externally-wrapped rectangular steel pipe, and two ends of the energy-consuming steel plate are respectively connected with the upper connecting plate and the lower connecting plate; the lower end of the outer rectangular steel pipe is connected with the lower connecting plate.
2. The fabricated shear wall structure with replaceable edge components of claim 1, wherein: the size of the reserved concave angles on the two sides of the corner of the shear wall needs to be larger than the size of a plastic hinge area of the shear wall and is 1.1-1.2 times of the width of the edge member; the wall angle steel cushion block is in an L shape.
3. The fabricated shear wall structure with replaceable edge components of claim 1, wherein: the upper connecting plate is a steel plate, and through bolt holes are reserved in the upper surface and the lower surface of the upper connecting plate, so that high-strength bolts can penetrate through the upper connecting plate and the lower connecting plate and are connected with the shear wall; the lower connecting plate is a steel plate, and a through bolt hole is reserved in the upper surface and the lower surface of the lower connecting plate, so that a high-strength bolt can penetrate through the lower connecting plate and is connected with a lower component.
4. The fabricated shear wall structure with replaceable edge components of claim 1, wherein: the energy dissipation steel plate is a straight steel plate, the surface of the energy dissipation steel plate is coated with silica gel, and two ends of the energy dissipation steel plate are respectively provided with a stiffening rib and are respectively welded with the upper connecting plate and the lower connecting plate.
5. The fabricated shear wall structure with replaceable edge components of claim 1, wherein: the upper end of the outer rectangular steel pipe is open, the lower end of the outer rectangular steel pipe is connected with the lower connecting plate, and concrete is poured from the upper end of the outer rectangular steel pipe.
6. The fabricated shear wall structure with replaceable edge components of claim 1, wherein: the size of the upper end plate is smaller than the inner diameter of the outer rectangular steel pipe, the upper end plate is welded with the energy consumption steel plate, and the position of the upper end plate is 5-10mm lower than that of the outer rectangular steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237052.7A CN114046078A (en) | 2021-10-24 | 2021-10-24 | Assembly type shear wall with replaceable edge component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237052.7A CN114046078A (en) | 2021-10-24 | 2021-10-24 | Assembly type shear wall with replaceable edge component |
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| Publication Number | Publication Date |
|---|---|
| CN114046078A true CN114046078A (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111237052.7A Pending CN114046078A (en) | 2021-10-24 | 2021-10-24 | Assembly type shear wall with replaceable edge component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012552A (en) * | 2022-06-17 | 2022-09-06 | 江苏科技大学 | Shear wall structure with function restorable after staged earthquake and design method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331477A (en) * | 1997-05-30 | 1998-12-15 | Shimizu Corp | Vibration control frame |
| CN104213651A (en) * | 2014-08-13 | 2014-12-17 | 同济大学 | Shear wall corner replaceable energy dissipation component and energy dissipation structure |
| CN108166645A (en) * | 2017-12-26 | 2018-06-15 | 桂林理工大学 | A kind of replaceable energy dissipating wall of pin-connected panel and replaceable energy-dissipating structure |
| CN109083295A (en) * | 2018-08-07 | 2018-12-25 | 同济大学 | A kind of recoverable function Coupled Shear Wall structure with field-replaceable unit |
| CN109610695A (en) * | 2018-12-28 | 2019-04-12 | 北京工业大学 | A kind of not damaged function of anti-buckling support energy consumption can restore shear wall |
-
2021
- 2021-10-24 CN CN202111237052.7A patent/CN114046078A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331477A (en) * | 1997-05-30 | 1998-12-15 | Shimizu Corp | Vibration control frame |
| CN104213651A (en) * | 2014-08-13 | 2014-12-17 | 同济大学 | Shear wall corner replaceable energy dissipation component and energy dissipation structure |
| CN108166645A (en) * | 2017-12-26 | 2018-06-15 | 桂林理工大学 | A kind of replaceable energy dissipating wall of pin-connected panel and replaceable energy-dissipating structure |
| CN109083295A (en) * | 2018-08-07 | 2018-12-25 | 同济大学 | A kind of recoverable function Coupled Shear Wall structure with field-replaceable unit |
| CN109610695A (en) * | 2018-12-28 | 2019-04-12 | 北京工业大学 | A kind of not damaged function of anti-buckling support energy consumption can restore shear wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012552A (en) * | 2022-06-17 | 2022-09-06 | 江苏科技大学 | Shear wall structure with function restorable after staged earthquake and design method thereof |
| CN115012552B (en) * | 2022-06-17 | 2023-06-20 | 江苏科技大学 | Staged post-earthquake function recoverable shear wall structure and design method thereof |
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Application publication date: 20220215 |