CN107338870A - A kind of function with the support of Self-resetting armpit can recover steel-frame structure - Google Patents
A kind of function with the support of Self-resetting armpit can recover steel-frame structure Download PDFInfo
- Publication number
- CN107338870A CN107338870A CN201710750030.8A CN201710750030A CN107338870A CN 107338870 A CN107338870 A CN 107338870A CN 201710750030 A CN201710750030 A CN 201710750030A CN 107338870 A CN107338870 A CN 107338870A
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- China
- Prior art keywords
- steel pipe
- self
- armpit
- support
- resetting
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Classifications
-
- 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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
-
- 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
-
- 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
- E04H9/024—Structures with steel columns and beams
Abstract
The present invention relates to building structure aseismatic technical field, there is provided a kind of function with the support of Self-resetting armpit can recover steel-frame structure, including crossbeam, column and self reset curvature-prevention armpit support component；The crossbeam is hinged with the column and is connected to form steel frame；The self reset curvature-prevention armpit support component is in herringbone, and is connected respectively by first node plate with the crossbeam, and is connected by two section point plates with the column of the crossbeam both sides.Possess runback bit function in the structure of this programme, after big shake, greatly reduce residual deformation, compared with existing self reset curvature-prevention support frame structure, the construction and arrangement form that the present invention is supported by changing self reset curvature-prevention, the problems such as avoiding the construction complexity of traditional self reset curvature-prevention support and can not meeting Deformation Demands, construction and installation are convenient and swift.
Description
Technical field
The present invention relates to building structure aseismatic technical field, can recover more particularly, to a kind of function with the support of Self-resetting armpit
Steel-frame structure.
Background technology
At present, China is the multiple country of earthquake, and rehabilitable building is domestic and international project seismic resistance field after building shake
Person and the common aspiration of engineer.Anti-buckling support is a kind of metal energy dissipation damper of efficient stable, both can be under small shake
Structure provides anti-side rigidity, also can surrender mechanism earthquake energy in, under big shake by metal tension and compression.Typically, it is anti-buckling
Support 1 can use monocline (as shown in Figure 1), herringbone (as shown in Figure 2) or V-shaped arrangement (as shown in Figure 3).Due to anti-buckling
It is supported under big shake and has been enter into plasticity, cause structure larger residual deformation to be integrally present and be difficult to repair, even if in addition, peace
The agent structure for having filled anti-buckling support still produces damage and failure (such as beam-ends place of the plastic hinge) unavoidably under big shake, so even
After removing anti-buckling support, agent structure is still difficult to self-resetting, still needs to spend a large amount of human and material resources to lead it after shake
Body structure repair, come into operation after influenceing the shake of building.
The content of the invention
It is an object of the present invention to provide a kind of function with the support of Self-resetting armpit can recover steel-frame structure, to solve
Residual deformation be present and be difficult to repair in main frame structure present in prior art under big shake in, need to spend a large amount of manpowers,
Material resources carry out the technical problem such as repairing to agent structure.
To achieve these goals, the invention provides following technical scheme；
The invention provides a kind of function with the support of Self-resetting armpit can recover steel-frame structure, including crossbeam, column and from
Reset anti-buckling armpit support component；
The crossbeam is hinged with the column and is connected to form steel frame；
The self reset curvature-prevention armpit support component is in herringbone, and is connected respectively by first node plate with the crossbeam
Connect, and be connected by two section point plates with the column of the crossbeam both sides.
In the above-mentioned technical solutions, further, the self reset curvature-prevention armpit support component includes at least one core steel
Pipe, at least one constraint steel pipe, at least two caging bolts, at least one high-strength bolt and at least two end plates；
The constraint steel pipe socket is each passed through by two caging bolts described in the outside of the core steel pipe
Constraint steel pipe is fixedly connected with the core steel pipe, and two end plates are separately positioned on the both ends of the core steel pipe, and institute
The side end panel for stating high-strength bolt from the core steel pipe sequentially passes through the end plate of core steel pipe and opposite side and locked with nut
Fasten, and pretightning force is applied to the high-strength bolt, so that the both sides end plate of the core steel pipe produces to the core steel pipe
Raw precompressed effect.
In any of the above-described technical scheme, further, the self reset curvature-prevention armpit support component also includes at least two
Spacing steel pipe, the spacing steel pipe is respectively sleeved at the both ends of the core steel pipe, and is mutually welded with the end plate.
In any of the above-described technical scheme, further, the spacing steel pipe is identical with the diameter of the constraint steel pipe.
In any of the above-described technical scheme, further, the side away from the constraint steel pipe on the end plate is connected with
Welded still pipe, each joint steel pipe mutually weld with the first node plate and section point plate respectively.
In any of the above-described technical scheme, further, the free end of the joint steel pipe is provided with long slot bore, the elongated slot
Hole can carry out inserting cooperation with the first node plate and section point plate respectively.
In any of the above-described technical scheme, further, each joint steel pipe respectively with the first node plate and
Section point plate mutually welds.
In any of the above-described technical scheme, further, backing plate is provided between the end plate and the nut.
In any of the above-described technical scheme, further, the core steel pipe, constraint steel pipe, spacing steel pipe and connection steel
Manage as pipe made of Materials with High Strength or one kind in square tube.
In any of the above-described technical scheme, further, the shape of the end plate is rounded or rectangle is set, and the end
The diameter of plate is more than the diameter of the spacing steel pipe.
Using above-mentioned technical proposal, the present invention has the advantages that：
Function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure, be connected between beam and column using be hinged
Connecing to form steel frame, self reset curvature-prevention armpit support component is in herringbone, and is connected respectively by first node plate with crossbeam,
And be connected by two section point plates with the column of crossbeam both sides, by arrangement above, Self-resetting can be reduced and be supported on ground
Deformation Demands under shake, make to possess runback bit function in the structure, after big shake, greatly reduce residual deformation and (be theoretically
Zero)；Compared with existing self reset curvature-prevention support frame structure, the construction of the invention supported by changing self reset curvature-prevention
And arrangement form, the problems such as avoiding the construction complexity of traditional self reset curvature-prevention support and Deformation Demands can not be met, construction
It is quick and easy for installation.
In addition, advantages of the present invention is in particular in the following aspects：
1st, reset energy is provided by the force self-balanced mode between high-strength bolt pretension and high-strength core steel pipe precompression
Power, construction is simpler, and is easy to shop；
2nd, the compression core steel pipe in the support of self reset curvature-prevention armpit is made using high-strength steel, its intensity and high-strength spiral shell
Bar is suitable, can be in Self-resetting deformability similar in the realization of tension and compression both direction；
3rd, the diagonal brace arrangement form that traditional self reset curvature-prevention supports is changed to the armpit support arrangement shape in bean column node region
Formula, the axial Deformation Demands of support caused by agent structure seismic deformation can be reduced, so as to lift the runback potential energy of agent structure
Power, avoid the self-resetting capability because of caused by pre-tensile force loss from losing problem, it also avoid traditional diagonal brace arrangement to elevation of building
Adversely affected with vision permeability；
4th, bean column node uses articulated form, can avoid beam-ends Plastic Damage caused by earthquake beam-column moment of flexure, and pass through
The support of Self-resetting armpit provides elastic rotation rigidity to bean column node；
5th, by setting cannelure type hole at joint steel pipe, it is easy to self reset curvature-prevention support and the scene of gusset plate to insert
Dress and solder design, it is easy for construction；
6th, because the agent structure in earthquake and self reset curvature-prevention armpit support component remain elasticity, built after shake can be achieved
The self- recoverage of thing function is built, without being repaired after being shaken, economy is very prominent.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention
Recognize.
Brief description of the drawings
Below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the anti-buckling circuit theory schematic diagram of monocline arrangement in the prior art；
Fig. 2 is the anti-buckling support frame structure schematic diagram of herringbone arrangement in the prior art；
Fig. 3 is the anti-buckling support frame structure schematic diagram of V-shaped arrangement in the prior art；
Fig. 4 is the structural representation that the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure；
Fig. 5 is the self reset curvature-prevention armpit support that the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure
One viewing angle constructions schematic diagram of component；
Fig. 6 be Fig. 5 in A-A to cross section structure diagram；
Fig. 7 is the cross section structure diagram of B-B direction in Fig. 5；
Fig. 8 be Fig. 5 in C-C to cross section structure diagram；
Fig. 9 be Fig. 5 in D-D to cross section structure diagram；
Figure 10 be Fig. 5 in E-E to cross section structure diagram；
Figure 11 be Fig. 5 in F-F to cross section structure diagram；
Figure 12 is the self reset curvature-prevention armpit that the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure
Support another viewing angle constructions schematic diagram of component；
Figure 13 is the self reset curvature-prevention armpit that the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure
Support the assemble flow schematic diagram one of component；
Figure 14 is the self reset curvature-prevention armpit that the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure
Support the assemble flow schematic diagram two of component；
Figure 15 is the self reset curvature-prevention armpit that the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure
Support the assemble flow schematic diagram three of component；
Figure 16 is the structure that the function with the support of Self-resetting armpit that one embodiment of the invention provides can recover steel-frame structure
Schematic diagram.
Reference：
The anti-buckling supports of 1-；2- self reset curvature-preventions armpit supports component；21- core steel pipes；22- constrains steel pipe；The spacing spiral shells of 23-
Bolt；24- high-strength bolts；25- end plates；The spacing steel pipes of 26-；27- joint steel pipes；271- long slot bores；28- backing plates；3- crossbeams；4- is stood
Post；5- first node plates；6- section point plates.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the feature in embodiments herein and embodiment can be mutually combined.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
With reference to specific embodiment the present invention will be further explained explanation.
Embodiment one
As shown in Fig. 4-16, the function with the support of Self-resetting armpit that the present embodiment provides can recover steel-frame structure, including horizontal stroke
Beam 3, column 4 and self reset curvature-prevention armpit support component 2；
The crossbeam 3 is hinged with the column 4 and is connected to form steel frame；
The self reset curvature-prevention armpit support component 2 is in herringbone, and passes through first node plate 5 and the phase of crossbeam 3 respectively
Connection, and be connected by two section point plates 6 with the column 4 of the both sides of crossbeam 3.
In an optional embodiment on the basis of above-described embodiment, as shown in Fig. 5-16, the Self-resetting is prevented
Flexing armpit support component 2 includes at least one core steel pipe 21, at least one constraint steel pipe 22, at least two caging bolts 23, extremely
A few end plate 25 of high-strength bolt 24 and at least two；
The constraint steel pipe 22 is enclosed on the outside of the core steel pipe 21, and is worn respectively by two caging bolts 23
Cross the constraint steel pipe 22 to be fixedly connected with the core steel pipe 21, two end plates 25 are separately positioned on the core steel pipe
21 both ends, and the high-strength bolt 24 sequentially passes through core steel pipe 21 and another from a side end panel 25 of the core steel pipe 21
The end plate 25 of side is locked with nut, and applies pretightning force to the high-strength bolt 24, so that the core steel pipe 21
Both sides end plate 25 to the core steel pipe 21 produce precompressed effect.
Further to improve, as shown in figure 12, the self reset curvature-prevention armpit support component 2 also includes at least two spacing steel
Pipe 26, the spacing steel pipe 26 is respectively sleeved at the both ends of the core steel pipe 21, and is welded with the phase of end plate 25, the limit
Position steel pipe 26 is identical with the diameter of the constraint steel pipe 22.Pass through the pretension of high-strength bolt 24 and the high-strength precompression of core steel pipe 21
Between force self-balanced mode reset capability is provided, construction is simpler, and is easy to shop, self reset curvature-prevention armpit support component
Compression core steel pipe 21 in 2 is made using high-strength steel, and its intensity is suitable with high-strength bolt 24, can be in two sides of tension and compression
To Self-resetting deformability similar in realization.
On the basis of above-described embodiment, the side away from the constraint steel pipe 22 on the end plate 25 is welded with connection steel
Pipe 27, each joint steel pipe 27 weld with the first node plate 5 and the phase of section point plate 6 respectively.
Specifically, as shown in figure 12, the free end of the joint steel pipe 27 is provided with long slot bore 271, the energy of long slot bore 271
It is enough to carry out inserting cooperation with the first node plate 5 and section point plate 6 respectively.By setting cannelure at joint steel pipe 27
Type hole is long slot bore 271, is easy to scene inserting and solder design of the self reset curvature-prevention support with gusset plate, easy for construction.
More specifically, each joint steel pipe 27 welds with the first node plate 5 and the phase of section point plate 6 respectively.
The armpit that the diagonal brace arrangement form that traditional self reset curvature-prevention supports is changed in bean column node region is supportted arrangement form, master can be reduced
The axial Deformation Demands of support caused by the deformation of body structural earthquake, so as to lift the self-resetting capability of agent structure, are avoided because pre-
Self-resetting capability caused by loss of tension loses problem, it also avoid traditional diagonal brace arrangement to elevation of building and vision permeability
Adverse effect；
In an optional embodiment on the basis of above-described embodiment, as shown in figs. 12-15, the end plate 25 with
Backing plate 28 is provided between the nut.
The setting of backing plate 28, it is therefore prevented that the loosening between nut and high-strength bolt 24, improve the reliability of product.
In an optional embodiment on the basis of above-described embodiment, the core steel pipe 21, constraint steel pipe 22,
Spacing steel pipe 26 and joint steel pipe 27 are pipe made of Materials with High Strength or one kind in square tube.
The shape of the end plate 25 is rounded or rectangle is set, and the diameter of the end plate 25 is more than the spacing steel pipe 26
Diameter.
It should be noted that above-mentioned steel pipe can also be in regular polygon or other shapes, for those skilled in the art
For member, within protection scope of the present invention.
Specifically, conventional art means are to set prestress wire to form automatic runback device in anti-buckling support,
And then form self reset curvature-prevention support component.But research showed in the past, under big shake, the interlayer of self reset curvature-prevention supporting construction
Displacement can reach 2%, and this Deformation Demands can even exceed the elastic deformability of steel strand wires and make it also enter surrender, so as to lose
Go the elastic reset effect to anti-buckling support and agent structure.In addition, existing self reset curvature-prevention support structure is extremely multiple
It is miscellaneous, it is very high to requirement on machining accuracy, cause to involve great expense, it is difficult in practical engineering application.At the same time, for firm using tradition
Property connection bean column node self reset curvature-prevention supporting construction, the big lower beam-ends place of the plastic hinge of shake also necessarily leads to damage, because
This agent structure is already belonging to damaged structure, it is difficult to the violent earthquake that can suffer from next time is kept out, therefore, still needing to the beam after reset
Column border node carries out local route repair, and in summary, prior art means are still difficult to the building with self-recovering function after shake
Structural seismic structural system, the function provided by the invention with the support of Self-resetting armpit can recover steel-frame structure, and beam is cut with scissors with the phase of column 4
Connect in succession to form steel frame, bean column node uses articulated form, and beam-ends plasticity caused by earthquake beam-column moment of flexure can be avoided to damage
Wound, and elastic rotation rigidity is provided bean column node by the support of Self-resetting armpit, self reset curvature-prevention armpit support component 2 is in herringbone,
And be connected respectively by first node plate 5 with crossbeam 3, and pass through two section point plates 6 and the phase of column 4 of the both sides of crossbeam 3
Connection, structure are still possessing runback bit function by, after big shake, are greatly reducing residual deformation (being theoretically zero)；With showing
Some self reset curvature-prevention support frame structures are compared, and the present invention is by changing the construction and arrangement shape that self reset curvature-prevention supports
Formula, the construction for avoiding traditional self reset curvature-prevention support are complicated convenient with the problems such as can not meeting Deformation Demands, construction and installation
Fast.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other implementations
Included some features rather than further feature in example, but the combination of the feature of different embodiments means in the present invention
Within the scope of and form different embodiments.For example, in superincumbent claims, embodiment claimed
It is one of any mode to use in any combination.The information for being disclosed in the background section is merely intended to intensification pair
The understanding of the general background technology of the present invention, and it has been this to be not construed as recognizing or imply the information structure in any form
Prior art well known to art personnel.
Claims (10)
1. a kind of function with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that including crossbeam, column and Self-resetting
Anti-buckling armpit supports component；
The crossbeam is hinged with the column and is connected to form steel frame；
The self reset curvature-prevention armpit support component is in herringbone, and is connected respectively by first node plate with the crossbeam, and
It is connected by two section point plates with the column of the crossbeam both sides.
2. the function according to claim 1 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
The self reset curvature-prevention armpit support component includes at least one core steel pipe, at least one constraint steel pipe, at least two limits
Position bolt, at least one high-strength bolt and at least two end plates；
The constraint steel pipe socket is each passed through the constraint in the outside of the core steel pipe, and by two caging bolts
Steel pipe is fixedly connected with the core steel pipe, and two end plates are separately positioned on the both ends of the core steel pipe, and the height
One side end panel of strong screw rod from the core steel pipe sequentially passes through the end plate of core steel pipe and opposite side and locked with nut
It is fixed, and pretightning force is applied to the high-strength bolt, so that the both sides end plate of the core steel pipe produces to the core steel pipe
Precompressed acts on.
3. it is according to claim 2 with Self-resetting armpit support function can recover steel-frame structure, it is characterised in that it is described from
Resetting anti-buckling armpit support component also includes at least two spacing steel pipes, and the spacing steel pipe is respectively sleeved at the core steel pipe
Both ends, and mutually welded with the end plate.
4. the function according to claim 3 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
The spacing steel pipe is identical with the diameter of the constraint steel pipe.
5. the function according to claim 2 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
The side away from the core steel pipe is welded with joint steel pipe on the end plate, each joint steel pipe respectively with it is described
First node plate mutually welds with section point plate.
6. the function according to claim 5 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
The free end of the joint steel pipe is provided with long slot bore, and the long slot bore can save with the first node plate and second respectively
Point plate carries out inserting cooperation.
7. the function according to claim 6 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
Each joint steel pipe mutually welds with the first node plate and section point plate respectively.
8. the function according to claim 2 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
Backing plate is provided between the end plate and the nut.
9. the function according to claim 3 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
The core steel pipe, constraint steel pipe, spacing steel pipe and joint steel pipe are pipe made of Materials with High Strength or one in square tube
Kind.
10. the function according to claim 9 with the support of Self-resetting armpit can recover steel-frame structure, it is characterised in that
The shape of the end plate is rounded or rectangle is set, and the diameter of the end plate is more than the diameter of the spacing steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750030.8A CN107338870B (en) | 2017-08-28 | 2017-08-28 | Function restorable steel frame structure with self-resetting armpit support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750030.8A CN107338870B (en) | 2017-08-28 | 2017-08-28 | Function restorable steel frame structure with self-resetting armpit support |
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| CN107338870B CN107338870B (en) | 2023-08-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560708A (en) * | 2018-04-25 | 2018-09-21 | 中建钢构有限公司 | A kind of steel frame supporting structure |
| CN109267762A (en) * | 2018-10-12 | 2019-01-25 | 天津城建大学 | Ruggedized construction and its construction method suitable for the existing building wall containing constructional column |
| CN109629895A (en) * | 2018-11-29 | 2019-04-16 | 北京建筑大学 | A kind of bearing diagonal replaces the system of center pillar raising frame-type underground structure anti-seismic performance |
| CN109972891A (en) * | 2019-03-08 | 2019-07-05 | 福建鑫晟钢业有限公司 | Assembled steel expanded metals external wrapping concrete shear force wall structure based on Prefabricated steel construction |
| CN110359590A (en) * | 2019-07-05 | 2019-10-22 | 重庆大学 | A kind of dual anti-buckling connector laterally attached for Earthquake response |
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