CN110080426A - Band easily resets the Self-resetting Coupled Shear Wall structure and construction method of replaceable coupling beam - Google Patents
Band easily resets the Self-resetting Coupled Shear Wall structure and construction method of replaceable coupling beam Download PDFInfo
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- CN110080426A CN110080426A CN201910304414.6A CN201910304414A CN110080426A CN 110080426 A CN110080426 A CN 110080426A CN 201910304414 A CN201910304414 A CN 201910304414A CN 110080426 A CN110080426 A CN 110080426A
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- coupling beam
- resetting
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- replaceable
- wall
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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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- 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
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
-
- 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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- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
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- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to Self-resetting Coupled Shear Wall structure and construction method that a kind of band easily resets replaceable coupling beam, shear wall structure includes at least one structural unit, and structural unit includes armored concrete Self-resetting arc wall limb and easily resets replaceable coupling beam.Armored concrete Self-resetting curved wall bottom is arc, and presstressed reinforcing steel passes through curved wall bottom two sides, and wall limb is waved under geological process, homing after shake；Wall limb bottom package curved plate prevents from waving impact damage, and built-in steel plate prevents damage to be transferred to other positions of wall limb；It is replaceable component in the middle part of coupling beam, section is connected and fixed by damper and waves section, dissipation energy under geological process, and coupling beam residual deformation is eliminated after shaking it by coupling beam presstressed reinforcing steel application reset force, so that coupling beam damaged member can be with full size component quick-replaceable.Damage concentration in the replaceable component of coupling beam, is significantly reduced the replacement difficulty after Coupled Shear Wall structure is shaken, improves its earthquake recoverable function by the present invention.
Description
Technical field
The invention belongs to Construction Anti-earthquake technical field, it is related to the recoverable function technology applied to Coupled Shear Wall,
More particularly to a kind of band easily resets the Self-resetting Coupled Shear Wall structure and construction method of replaceable coupling beam.
Background technique
With the development and maturation of antidetonation shock attenuation research, most building structure are able to bear violent earthquake without falling
It collapses, effective control has been obtained in the quantity of casualties in earthquake, but building injury repair hardly possible, time are long after shake, or even not
Not remove reconstruction, caused by economic loss and social influence it is still very huge.
Earthquake recoverable function can make structure smaller shake when basic function do not lose, after larger earthquake basic function and
Shi Huifu greatly improves disaster relief efficiency, reduces earthquake damage to resist fast quick-recovery after disaster, earthquake when by earthquake
It loses.In skyscraper, reinforced concrete shear wall usually forms connection due to building demand punches as important lateral resistant member
Limb shear wall.For armored concrete Coupled Shear Wall, its earthquake recoverable function can be improved by the way that replaceable coupling beam is arranged.
Coupling beam both ends are destroyed and are transferred to replaceable component by replaceable coupling beam, concentrate plasticity by replaceable component, damage is replaced after shake
Component can fast quick-recovery structure function, improve the recoverable function of Coupled Shear Wall.
However, although can concentrate on the Plastic Damage of coupling beam can be more for the Coupled Shear Wall of the replaceable coupling beam of existing band
Change component, but wall limb still has damage and needs to repair after shaking, and since Plastic Damage generates residual deformation, coupling beam be difficult to homing and
It is unfavorable for damaged member replacement, replaces efficiency and recovery extent after influencing shake.Therefore, how to improve and cut with replaceable coupling beam connection limb
Functional rehabilitation ability after the shake of power wall construction is the key that promote its further genralrlization application in practical projects.
Summary of the invention
The replaceable coupling beam Coupled Shear Wall structure of existing band there are aiming at the problem that, the present invention provides a kind of bands easily to reset
The Self-resetting Coupled Shear Wall structure and its construction method of replaceable coupling beam are guaranteeing that wall limb is undamaged while eliminating coupling beam shake
Residual deformation afterwards effectively improves functional rehabilitation ability after the shake of armored concrete Coupled Shear Wall structure.
In order to achieve the above object, technical solution provided by the invention are as follows:
A kind of band easily resets the Self-resetting Coupled Shear Wall structure of replaceable coupling beam, the Self-resetting Coupled Shear Wall structure
It further include at least one structural unit, the structural unit includes armored concrete Self-resetting arc wall limb and easily resets replaceable
Coupling beam；
Described easily to reset replaceable coupling beam include attachment beam and replaceable component, the attachment beam and armored concrete runback
Position arc wall limb is connected, and built-in connection built in the attachment beam, the built-in connection is connected with outer end connecting plate, described outer
End connecting plate is connected by being detachably connected with inner end connecting plate；The replaceable component include be arranged in both ends fixed section and
Section is waved at middle part, and the fixed section is connected with inner end connecting plate, fixed section and is waved between section there are gap, and separation is formed
Section, fixed section are connected with the top and bottom for waving section by damper, and fixed section is answered with the middle part for waving section by coupling beam in advance
Power muscle is connected.
The section of waving is waved under geological process of the present invention, and the damper plays damping under geological process
Energy consumption effect, the presstressed reinforcing steel provide self-resetting capability after coupling beam shake.
For the present invention by easily resetting replaceable coupling beam and Self-resetting arc wall limb, it is replaceable that Plastic Damage is concentrated on coupling beam
Component avoids wall limb from damaging, and realizes coupling beam and wall limb Self-resetting, structure almost without residual deformation, to overcome existing skill
The defect of art quickly can remove damaged member after shake and restore normal function, improve Coupled Shear Wall earthquake recoverable function.
Preferably, the armored concrete Self-resetting arc wall limb bottom is curved wall bottom, the curved wall bottom and base
Plinth disengages, and is connected by shear connector with basis.
Preferably, the curved wall bottom is equipped with built-in steel plate, curved plate is equipped with outside curved wall bottom.Built-in steel plate and
Position is fixed with template after curved plate welding, with the armored concrete Self-resetting arc wall limb one-piece casting.
Preferably, the built-in steel plate height is more than curved wall bottom, covers wall bottom plastic zone and upwardly extend.Design is former
Wall limb top will not be transferred to by then acting on lower wall limb damage for rarely occurred earthquake.
Preferably, the armored concrete Self-resetting arc wall limb two sides are equipped with wall limb presstressed reinforcing steel.Described in providing
Armored concrete Self-resetting arc wall limb self-resetting capability.
Preferably, the built-in connection and outer end connecting plate weld, lead between outer end connecting plate and inner end connecting plate
It crosses and is removably bolted.
Preferably, the fixed section and inner end connecting plate weld, the damper is that frcition damper or viscoplasticity hinder
Buddhist nun's device.
Preferably, the attachment beam is concrete coupling beams, the coupling beam presstressed reinforcing steel, wall limb presstressed reinforcing steel are without viscous
Tie low relaxed prestress steel strand.
The present invention also provides the construction method that above-mentioned band easily resets the Self-resetting Coupled Shear Wall structure of replaceable coupling beam,
The following steps are included:
(1) after fixing foundation forms, fixed arc formwork and wall limb upper mould in wall bottom position, by prefabricated arc
Steel plate and the welding of built-in steel plate are completed to be placed in arc formwork to fix position, while shear connector and built-in steel plate being welded
To fix position, shear connector is inserted into basis, and wall limb reserves tension of prestressed tendon pipeline；
(2) built-in connection is placed in connection beam forms by fixed coupling beam concrete coupling beams template, and installation coupling beam can be more
It changes component fixed section and waves section, damper is installed, the hole that coupling beam presstressed reinforcing steel is passed through fixed section and waves section is opened
It draws, is fixed with anchorage；Installation is bolted outer end connecting plate and inner end connecting plate, by middle member and both ends concrete coupling beams
It is fixed；
(3) reinforcing bar for binding concrete coupling beams and wall limb, basis, places wall limb presstressed reinforcing steel, fixed bottom anchorage in
In base position；Casting concrete, after concrete reaches intensity, form removal, tensioning wall limb presstressed reinforcing steel, and pass through top
Anchorage is fixed at the top of shear wall；In the middle part of coupling beam and curved wall bottom bottom is laid with decorative panel to construction and decoration.
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
1) present invention not only concentrates Plastic Damage in replaceable component, and provides self-resetting capability, shake by prestressing force
Coupling beam does not have residual deformation or residual deformation very little afterwards, and full size component can be used after shake and carry out quick-replaceable, can effectively subtract
Small replaceable component replacement difficulty improves its replacement efficiency；
2) wall limb curved wall bottom of the invention and basis disengage, and wall limb presstressed reinforcing steel shakes wall limb under geological process
Homing after pendulum, geological process, bottom curved plate avoid corner from damaging when it being made to wave collision, and built-in steel plate prevents from damaging
Other positions of wall limb are transferred to, are difficult to the problem of repairing after can effectively solve the problem that the damage of Coupled Shear Wall wall limb, shake；
3) shock dissipation energy can be waved under Coupled Shear Wall geological process of the invention, and is become by coupling beam damper
Shape energy consumption, does not have residual deformation or residual deformation very little after shake, only needing to change coupling beam damaged member can fast quick-recovery structure function
Can, antidetonation shock attenuation ability is not only increased, rehabilitation expense after shake is more reduced.
Detailed description of the invention
Fig. 1 is the side view for the Self-resetting Coupled Shear Wall structure that band of the present invention easily resets replaceable coupling beam；
Fig. 2 is the shaft side figure that the present invention easily resets replaceable coupling beam；
Fig. 3 is the structural schematic diagram that curved wall bottom of the present invention is connect with basis；
It illustrates: 1- wall limb；Steel plate built in 2-；3- curved plate；4- shear connector；5- wall limb presstressed reinforcing steel；6-
Concrete coupling beams；7- built-in connection；8- bolt；9- damper；10- coupling beam presstressed reinforcing steel；11- segregation section；The basis 12-；
The outer end 13- connecting plate；The inner end 14- connecting plate；15- fixed section；16- waves section；The bottom 17- anchorage；Anchorage at the top of 18-.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the embodiments, and following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
Referring to Fig.1~3, a kind of band easily resets the Self-resetting Coupled Shear Wall structure of replaceable coupling beam, cuts applied to high level
Power wall construction, improving can recovery capability after it shakes.Including basis 12, the Self-resetting Coupled Shear Wall structure further includes at least one
A structural unit, the structural unit include armored concrete Self-resetting arc wall limb 1 and easily reset replaceable coupling beam；
Described easily to reset replaceable coupling beam include concrete coupling beams 6 and replaceable component, and the attachment beam and reinforcing bar are mixed
Solidifying soil Self-resetting arc wall limb is connected, built-in connection 7 built in concrete coupling beams 6, built-in connection 7 and outer end connecting plate 13
Welding, outer end connecting plate 13 are connected by dismountable bolt 8 with inner end connecting plate 14.Replaceable component includes both ends fixed section
15 and middle part wave section 16, fixed section 15 is weldingly connected with inner end connecting plate 14, fixed section 15 and waves between section 16 that there are skies
Gap, forms segregation section 11, and fixed section 15 and waving is connected at the top and bottom of section 16 by frcition damper or viscoelastic damper 9,
Middle part is connected by presstressed reinforcing steel 10, and presstressed reinforcing steel 10 applies prestressing force to section 16 is waved, and is waved section 16 and is occurred under geological process
It waves.When construction, by the replaceable component fixed section 15 of prefabrication and wave section 16 and be placed in the fixed position of template, to top and
After bottom fixes damper 9, fixed section 15 being passed through with prestress wire and waves the hole of 16 connecting plate of section, tensioning steel twists
Line applies prestressing force, built-in connection 7 is placed in the concrete coupling beams 6 of the good template of branch and fixes position, poured to concrete
It builds rear demoulding to fix, is laid with decorative panel after concrete hardening in the middle part of coupling beam to construction and decoration.
1 bottom of armored concrete Self-resetting arc wall limb is curved wall bottom, disengages with basis 12, passes through shear connections
Part 4 is connected with basis 12.Reinforced concrete radial wall bottom be equipped with built-in steel plate 2, prevent damage by wall bottom be transferred to wall limb remaining
Position, outside are equipped with curved plate 3 and wrap curved wall bottom, and wall base concrete damages when preventing from waving shock.When original state
Apply precompression by wall limb presstressed reinforcing steel 5, wall homing is made after shake, eliminates wall residual deformation and wall is avoided to damage
Wound.When construction, built-in steel plate 2, curved plate 3 and shear connector 4 are placed in wall limb concrete by the reserving hole channel in wall limb 1
Good position is fixed in template, is fixed after wall limb concrete and demoulding after coupling beam concrete, base concrete formed by integrally casting, tensioning wall
Limb presstressed reinforcing steel 5, top anchorage 18 are fixed at the top of wall, and bottom anchorage 17 is fixed in basis 12.
The construction method of the above-mentioned Self-resetting Coupled Shear Wall structure for easily resetting replaceable coupling beam, comprising the following steps:
(1) after fixing foundation forms, fixed arc formwork and wall limb upper mould in wall bottom position, by prefabrication
Curved plate 3 and the welding of built-in steel plate 2 are completed to be placed in template and fix position, while by shear connector 4 and built-in steel plate
Welding is to fix position, and shear connector 4 is inserted into basis, and wall limb 1 reserves wall limb tension of prestressed tendon pipeline；
(2) pre-embedded steel slab 7 is placed in connection beam forms by fixed 6 template of coupling beam concrete coupling beams, and installation coupling beam can be more
It changes component fixed section 15 and waves section 16, damper 9 is installed, coupling beam presstressed reinforcing steel is passed through into fixed section 15 and wave the hole of section 16
Hole carries out tensioning, is fixed with anchorage；Bolt 8 is installed and connects outer end connecting plate 13 and inner end connecting plate 14, by middle member and two
Hold concrete coupling beams 6 fixed；
(3) reinforcing bar for binding concrete coupling beams 6 and wall limb 1, basis 12 places wall presstressed reinforcing steel 5, fixed bottom anchor
Tool 17 is in base position；Casting concrete, after concrete reaches intensity, form removal, tensioning wall limb presstressed reinforcing steel 5, and
It is fixed at the top of shear wall by top anchorage 18；In the middle part of coupling beam and curved wall bottom bottom is laid with decorative panel to build dress
It repairs.
The present invention improves the earthquake recoverable function of Coupled Shear Wall in Tall Shear Wall Structures, is kept away using curved wall bottom
Exempt from corner damage, and reinforcement steel plate, which is arranged, prevents damage to be transferred to remaining position of wall limb, while being certainly by wall limb and Design of Connecting Beam
Reset form eliminates wall limb residual deformation enables damaged member with full size structure to prevent wall limb damage, eliminate coupling beam residual deformation
Part quick-replaceable, Damage Coutrol quick-replaceable after the replaceable component of coupling beam, geological process when making Coupled Shear Wall geological process
Restore to former function.The sustainable shock resistance of structure of the invention is strong, life cycle cost is low, can be widely applied to armored concrete knot
Structure seismic resistance field, has a good application prospect and technical economic benefit.
It describes the invention in detail in conjunction with the embodiments above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should all still fall within patent covering scope of the invention.
Claims (9)
1. the Self-resetting Coupled Shear Wall structure that a kind of band easily resets replaceable coupling beam, it is characterised in that: the Self-resetting joins limb
Shear wall structure further includes at least one structural unit, and the structural unit includes armored concrete Self-resetting arc wall limb and easily
Reset replaceable coupling beam；
Described easily to reset replaceable coupling beam include attachment beam and replaceable component, the attachment beam and armored concrete Self-resetting arc
Shape wall limb is connected, and built-in connection built in the attachment beam, the built-in connection is connected with outer end connecting plate, and the outer end connects
Fishplate bar is connected by being detachably connected with inner end connecting plate；The replaceable component includes fixed section and the middle part that both ends are arranged in
Wave section, the fixed section is connected with inner end connecting plate, fixed section and waves between section there are gap, form segregation section, Gu
Determine section and be connected with the top and bottom for waving section by damper, fixed section passes through coupling beam presstressed reinforcing steel phase with the middle part for waving section
Even.
2. the Self-resetting Coupled Shear Wall structure that band according to claim 1 easily resets replaceable coupling beam, it is characterised in that:
The armored concrete Self-resetting arc wall limb bottom is curved wall bottom, and the curved wall bottom and basis disengage, and pass through shearing resistance
Connector is connected with basis.
3. the Self-resetting Coupled Shear Wall structure that band according to claim 2 easily resets replaceable coupling beam, it is characterised in that:
The curved wall bottom is equipped with built-in steel plate, is equipped with curved plate outside curved wall bottom.
4. the Self-resetting Coupled Shear Wall structure that band according to claim 3 easily resets replaceable coupling beam, it is characterised in that:
The built-in steel plate height is more than curved wall bottom, covers wall bottom plastic zone and upwardly extends.
5. the Self-resetting Coupled Shear Wall structure that band according to claim 2 easily resets replaceable coupling beam, it is characterised in that:
The armored concrete Self-resetting arc wall limb two sides are equipped with wall limb presstressed reinforcing steel.
6. the Self-resetting Coupled Shear Wall structure that band according to claim 1 easily resets replaceable coupling beam, it is characterised in that:
The built-in connection and outer end connecting plate weld, and are connected between outer end connecting plate and inner end connecting plate by dismountable bolt
It connects.
7. the Self-resetting Coupled Shear Wall structure that band according to claim 1 easily resets replaceable coupling beam, it is characterised in that:
The fixed section and inner end connecting plate weld, and the damper is frcition damper or viscoelastic damper.
8. the Self-resetting Coupled Shear Wall structure that band according to claim 5 easily resets replaceable coupling beam, it is characterised in that:
The attachment beam is concrete coupling beams, and the coupling beam presstressed reinforcing steel, wall limb presstressed reinforcing steel are soap-free emulsion polymeization low relaxed prestress steel
Twisted wire.
9. band described in a kind of claim 1 easily resets the construction method of the Self-resetting Coupled Shear Wall structure of replaceable coupling beam,
Be characterized in that the following steps are included:
(1) after fixing foundation forms, fixed arc formwork and wall limb upper mould in wall bottom position, by prefabricated curved plate
It completes to be placed in arc formwork to fix position with the welding of built-in steel plate, while shear connector and built-in steel plate being welded with solid
Positioning is set, and in shear connector insertion basis, wall limb reserves wall limb tension of prestressed tendon pipeline；
(2) built-in connection is placed in connection beam forms, installs the replaceable structure of coupling beam by fixed coupling beam concrete coupling beams template
Part fixed section carries out tensioning, use with section, installation damper, the hole that coupling beam presstressed reinforcing steel is passed through fixed section and waves section is waved
Anchorage is fixed；Installation is bolted outer end connecting plate and inner end connecting plate, and middle member and both ends concrete coupling beams are fixed；
(3) reinforcing bar for binding concrete coupling beams and wall limb, basis places wall limb presstressed reinforcing steel, and fixed bottom anchorage is in basis
In position；Casting concrete, after concrete reaches intensity, form removal, tensioning wall limb presstressed reinforcing steel, and pass through top anchorage
It is fixed at the top of shear wall；In the middle part of coupling beam and curved wall bottom bottom is laid with decorative panel to construction and decoration.
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| CN201910304414.6A CN110080426A (en) | 2019-04-16 | 2019-04-16 | Band easily resets the Self-resetting Coupled Shear Wall structure and construction method of replaceable coupling beam |
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| CN201910304414.6A CN110080426A (en) | 2019-04-16 | 2019-04-16 | Band easily resets the Self-resetting Coupled Shear Wall structure and construction method of replaceable coupling beam |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469176A (en) * | 2019-08-12 | 2019-11-19 | 北京赛福思创减震科技股份公司 | A kind of friction-type coupling beam damper and its application method |
| CN110565838A (en) * | 2019-08-07 | 2019-12-13 | 长安大学 | semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN112963001A (en) * | 2021-02-08 | 2021-06-15 | 华北水利水电大学 | Construction method and reinforcing structure for completely cutting off heavy reinforcement of existing connecting beam |
| CN113107250A (en) * | 2021-03-26 | 2021-07-13 | 北京工业大学 | Energy-consuming and vibration-damping high-rise building structure system with multiple multidirectional swinging cylinders |
| CN113700137A (en) * | 2021-08-17 | 2021-11-26 | 东南大学 | Giant frame structure |
| CN113737988A (en) * | 2021-09-07 | 2021-12-03 | 江苏海洋大学 | Vertical prestress assembly energy dissipation coupled wall structure and assembly method thereof |
| CN113789911A (en) * | 2021-09-16 | 2021-12-14 | 江苏海洋大学 | Self-resetting replaceable shear wall coupling beam and assembling method thereof |
| CN114197695A (en) * | 2021-11-18 | 2022-03-18 | 安徽省建筑科学研究设计院 | Swing wall and swing wall-frame structure |
| CN114508184A (en) * | 2022-03-14 | 2022-05-17 | 四川省建筑科学研究院有限公司 | Energy-consuming type double-limb shear swing wall |
| CN114541851A (en) * | 2022-02-22 | 2022-05-27 | 同济大学 | Prefabricated double-limb shear wall with coupling beam damper |
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| CN112963001B (en) * | 2021-02-08 | 2022-11-11 | 华北水利水电大学 | Construction method and reinforcing structure for completely cutting off heavy reinforcement of existing connecting beam |
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| CN113789911A (en) * | 2021-09-16 | 2021-12-14 | 江苏海洋大学 | Self-resetting replaceable shear wall coupling beam and assembling method thereof |
| CN114197695A (en) * | 2021-11-18 | 2022-03-18 | 安徽省建筑科学研究设计院 | Swing wall and swing wall-frame structure |
| CN114541851A (en) * | 2022-02-22 | 2022-05-27 | 同济大学 | Prefabricated double-limb shear wall with coupling beam damper |
| CN114508184A (en) * | 2022-03-14 | 2022-05-17 | 四川省建筑科学研究院有限公司 | Energy-consuming type double-limb shear swing wall |
| CN114508184B (en) * | 2022-03-14 | 2024-05-14 | 四川省建筑科学研究院有限公司 | Energy-consumption type double-limb shear swinging wall |
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