CN114482319B - Civil engineering shock-resistant structure - Google Patents
Civil engineering shock-resistant structure Download PDFInfo
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- CN114482319B CN114482319B CN202210277308.5A CN202210277308A CN114482319B CN 114482319 B CN114482319 B CN 114482319B CN 202210277308 A CN202210277308 A CN 202210277308A CN 114482319 B CN114482319 B CN 114482319B
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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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- 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
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
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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
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
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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
- E04H9/0237—Structural braces with damping devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The application relates to the technical field of civil engineering equipment, in particular to a civil engineering earthquake-resistant structure, which comprises an upper building structure, a substrate layer and a damping device, wherein the damping device is arranged between the upper building structure and the substrate layer and comprises a transverse damping component, and the transverse damping component is also sleeved with and elastically connected with a longitudinal damping component; the transverse shock-absorbing assembly includes: a steady rest connected to the superstructure; the first oil pressure viscous dampers are uniformly and obliquely arranged between the steady rest and the basal layer; the longitudinal shock absorbing assembly includes: the limiting table is arranged in the stability holding frame, and the top wall of the limiting table is level with the stability holding frame; the damping parts are arranged between the basal layer and the limiting table and are arranged on the limiting table in a surrounding mode. The application simultaneously slows down the vibration of the upper building structure caused by horizontal and longitudinal earthquake waves, and provides an earthquake-resistant structure for realizing that the upper building structure keeps building stable under the earthquake action.
Description
Technical Field
The application relates to the technical field of civil engineering equipment, in particular to a civil engineering earthquake-resistant structure.
Background
Earthquake is a real and destructive natural disaster, which forms a serious threat to human society, and how to reduce the damage suffered by engineering structures in earthquake is a realistic and serious problem. In areas where earth movement is frequent, the earth movement can cause vibration of the engineering structure due to inertia of earth movement when an earthquake occurs. In order to isolate or inhibit the transmission of ground movement to the superstructure, a shock isolation device may be provided between the top surface of the foundation and the bottom of the superstructure or at other suitable locations of the engineering structure to reduce the dynamic response of the engineering structure so that deformation is primarily concentrated on the shock isolation device, thereby protecting the superstructure and reducing the seismic load to which it is subjected. The shock insulation device is an effective means for earthquake resistance, shock absorption and disaster prevention of the civil engineering structure.
The research of the prior art earthquake-resistant structure has achieved abundant results, and the common earthquake-resistant systems in the current engineering comprise a laminated rubber support earthquake-resistant system, a sliding support earthquake-resistant system, a sleeve pile earthquake-resistant system, a spring earthquake-resistant system and a swing earthquake-resistant system. However, these efforts often consider single-directional shock absorption, or focus on horizontal seismic action, and do not effectively control the acting force of the building under vertical seismic load; or the vertical earthquake action is concerned, and the functions of horizontal energy consumption limit and automatic reset are not provided; the ground movement is space movement when an earthquake occurs, the horizontal and vertical earthquake waves have important destructive effects, and the horizontal and vertical earthquake resistance are powerful guarantees for preventing the upward transmission of the earthquake effect. There is a need for a device that can address both horizontal isotropy and vertical shock isolation and resistance to promote stability of the superstructure.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide a civil engineering earthquake-resistant structure, simultaneously slows down the vibration of an upper building structure caused by horizontal and longitudinal earthquake waves, and provides the earthquake-resistant structure for realizing that the upper building structure keeps stable building under the action of the earthquake.
In order to solve the technical problems, the application adopts the following technical scheme:
the civil engineering earthquake-resistant structure comprises an upper building structure and a basal layer, and further comprises a damping device, wherein the damping device is arranged between the upper building structure and the basal layer, the damping device comprises a transverse damping component, and a longitudinal damping component is sleeved in the transverse damping component and is elastically connected with the transverse damping component;
the transverse shock assembly includes:
a steady rest connected with the superstructure;
the first oil pressure viscous dampers are uniformly and obliquely arranged between the stability frame and the basal layer;
the longitudinal shock absorbing assembly includes:
the limiting table is arranged in the stability holding frame, and the top wall of the limiting table is level with the stability holding frame;
the damping parts are arranged between the basal layer and the limiting table and are arranged on the limiting table in a surrounding mode.
Preferably, the limit table includes:
the top platform is provided with an arc surface layer at the bottom;
a trapezoid through groove is formed in the top of the base table, the top table is positioned in the through groove, the cambered surface layer is abutted with the bottom wall of the through groove, and the side wall of the top table is abutted with the through groove;
the shock absorber is arranged on the base table in a surrounding mode, and a first damping material is arranged between the base table and the shock absorber.
Preferably, the bottom wall of the through groove is larger than the opening of the through groove, and a second damping material is arranged between the side wall of the top platform and the inner wall of the through groove.
Preferably, a plurality of second oil pressure viscous dampers are arranged between the top table and the basal layer.
Preferably, the top of top platform still is provided with the buffering auxiliary part, the buffering auxiliary part includes buffer layer and supporting layer, the buffer layer set up in the top of supporting layer, the buffer layer is the blotter, be provided with a plurality of arcs in the supporting layer side by side, the buffer layer with keep steady rest parallel and level.
Preferably, each of the shock absorbing members includes:
the shock absorber is arranged on the base table in a surrounding mode and is made of steel-bone silica gel;
a lead core rod provided in the center of the shock absorber;
a steel plate provided between the lead core rod and the inner wall of the cushioning body;
and a buffer block arranged between every two steel plates.
Preferably, the base layer and the cushioning body, and the stability frame and the upper building structure are respectively connected through anchor bars.
Preferably, the holding frame is selected from a circular frame, a square frame or a tripod, and more preferably a circular frame.
Compared with the prior art, the application has the following beneficial effects:
1. the application is provided with a transverse shock absorbing assembly. The transverse damping component comprises a stability frame and a plurality of first oil pressure viscous dampers, the stability frame is connected with the upper building structure, and the first oil pressure viscous dampers are arranged between the stability frame and the basal layer; the first oil pressure viscous damper keeps the stability frame in a horizontal state, the upper building structure keeps stable in the earthquake through the stability frame, the piston of the oil pressure viscous damper reciprocates in the oil cylinder under the action of the earthquake, then energy generated by the earthquake is consumed, damping during shaking is increased, and displacement difference between two layers of a building is reduced. The earthquake action suffered by the upper building structure is reduced through the first oil pressure viscous damper under the horizontal angles, and the front, back, left and right shaking of the upper building structure in the horizontal direction is effectively slowed down.
2. The application also provides a longitudinal shock absorbing assembly. The longitudinal shock absorption component comprises a limiting table and a shock absorption part, wherein the shock absorption part adopts a conventional lead rubber shock insulation support, and the lead rubber shock insulation support has better energy consumption capability and certain limiting capability, but has insufficient durability. In the application, the plurality of shock absorbing members are connected with the limiting table, and the combined action of the first oil pressure viscous damper is added, so that the bearing requirements on the shock absorbing members are effectively reduced, and meanwhile, the arrangement of the plurality of shock absorbing members also effectively bears the impact of the earthquake wave energy.
3. The limit table comprises a top table and a bottom table, wherein the cambered surface of the top table is positioned in a through groove of the bottom table, and the space between the inner wall of the through groove and the top table powerfully dissipates vertical acting force under the action of an earthquake. In addition, if receive the huge impact of transverse energy under the earthquake effect, or the circumstances that buffering auxiliary member can't bear the upper portion building structure effort, the cambered surface layer can take place relative displacement with logical tank bottom wall, along with the slope of top platform this moment, first oil pressure viscous damper and second oil pressure viscous damper receive the effort from upper portion building structure jointly, first oil pressure viscous damper and second oil pressure viscous damper combined action are in order to consume the energy that the earthquake produced, reduce the earthquake effect that upper portion building structure received, simultaneously protect the top platform.
4. The application solves the technical problems of horizontal isotropy and vertical shock isolation and resistance, and can be widely applied to interlaminar shear type buildings and structures.
Drawings
FIG. 1 is a side view of a civil engineering seismic structure of the application;
FIG. 2 is a top view of a civil engineering seismic structure of the application;
FIG. 3 is a cross-sectional view of the internal structure of a longitudinal shock absorbing assembly of a civil engineering shock resistant structure according to the present application;
fig. 4 is a sectional view showing an internal structure of a cushion auxiliary member of a civil engineering vibration-resistant structure of the present application.
Reference numerals illustrate:
1. a base layer; 2. a steady rest; 3. a first oil pressure viscous damper; 4. a limiting table; 5. a first damping material; 6. a top platform; 7. an arc surface layer; 8. a base table; 9. a through groove; 10. a second damping material; 11. a second oil pressure viscous damper; 12. a buffer layer; 13. a support layer; 14. an arc-shaped plate; 15. a shock absorber; 16. a lead core rod; 17. a steel plate; 18. a buffer block; 19. and (5) anchor bars.
Detailed Description
The following detailed description of specific embodiments of the application is, but it should be understood that the application is not limited to specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. The experimental methods in the embodiments of the present application are all conventional methods unless otherwise specified.
1-3, the civil engineering earthquake-resistant structure comprises an upper building structure and a substrate layer 1, and further comprises a damping device, wherein the damping device is arranged between the upper building structure and the substrate layer 1, the damping device and the upper building structure are respectively connected through anchor bars 19, the damping device is used for keeping the upper building structure stable when in earthquake, the damping device comprises a transverse damping component, the transverse damping component is also sleeved and elastically connected with a longitudinal damping component through a spring, the spring is easy to deform, and then the purpose of resetting the longitudinal damping component is achieved; the transverse damping component is used for relieving the vibration problem of the upper building structure caused by the earthquake waves in all directions of the horizontal direction under the action of the earthquake, and the longitudinal damping component is used for relieving the vibration problem of the upper building structure caused by the longitudinal earthquake waves;
the transverse shock-absorbing assembly includes:
the stability holding frame 2 is connected with the upper building structure through anchor bars 19;
the first oil pressure viscous dampers 3 are uniformly and obliquely arranged between the stability holding frame 2 and the substrate layer 1, the stability holding frame 2 is kept in a horizontal state through the first oil pressure viscous dampers 3, and the stability holding frame 2 is used for realizing that an upper building structure keeps stable in earthquake;
the longitudinal shock absorbing assembly includes:
the limiting table 4 is arranged in the stability holding frame 2, the top wall of the limiting table 4 is flush with the stability holding frame 2, and the limiting table 4 and the stability holding frame 2 are positioned at the bottom of the upper building structure together and used for supporting the upper building structure;
the damping parts are arranged between the substrate layer 1 and the limiting table 4, and are arranged on the limiting table 4 in a surrounding mode, so that dissipation of longitudinal energy and reset of transverse deformation are achieved.
Further, the stopper 4 includes:
the bottom of the top table 6 is provided with an arc surface layer 7;
a trapezoid through groove 9 is formed in the top of the bottom table 8, the top table 6 is positioned in the through groove 9, the cambered surface layer 7 is abutted to the bottom wall of the through groove 9, and when the situation that transverse energy impact is huge or the buffer auxiliary piece cannot bear the acting force of an upper building structure occurs during earthquake, the cambered surface layer 8 and the bottom wall of the through groove 9 are relatively displaced, at the moment, the cambered surface layer 8 effectively avoids the damage of the top table 6, and the top table 6 is convenient to reset; the pressure is applied to the first oil pressure viscous damper 3 through the adjustment of the angle of the top table 6, and the stability of the stability holding frame 2 is kept stable through the cooperation of a plurality of the first oil pressure viscous dampers 3, so that the purpose of stable upper building structure is realized;
the side wall of the top table 6 is abutted with the through groove 9, and the side wall of the through groove 9 limits the side wall of the top table 6, so that the top table 6 is kept stable in the absence of vibration;
the shock absorber is arranged on the base table 8 in a surrounding manner, and a first damping material 5 is arranged between the base table 8 and the shock absorber, so that the shock absorber and the base table 8 are prevented from being displaced relatively, and meanwhile, energy in the shock is dissipated.
Further, the bottom wall size of the through groove 9 is larger than the opening size of the through groove 9, so that the bottom wall of the through groove 9 and the arc surface layer 8 are conveniently displaced relatively, the top table 6 is conveniently limited, a second damping material 10 is arranged between the side wall of the top table 6 and the inner wall of the through groove 9, and the second damping material 10 is used for overcoming the relative displacement between the inner wall of the through groove 9 and the side wall of the top table 6.
Further, a plurality of second hydraulic viscous dampers 11 are arranged between the top table 6 and the substrate layer 1, the second hydraulic viscous dampers 11 are used for restoring the top table 6 to the original position, and in addition, the second hydraulic viscous dampers 11 and the first hydraulic viscous dampers 3 act on the jolt together to realize that the stability holding frame 2 keeps stable in the jolt.
As shown in fig. 4, further, the top of the top stand 6 is further provided with a buffering auxiliary member, the buffering auxiliary member deforms first in jolt to reduce the jolt sensation of the upper building structure, the buffering auxiliary member comprises a buffering layer 12 and a supporting layer 13, the buffering layer 12 is arranged at the top of the supporting layer 13, the buffering layer 12 is a buffer cushion, a plurality of arc plates 14 are arranged in the supporting layer 13 side by side, the buffering layer 12 is flush with the stability holding frame 2, the jolt buffer layer 12 deforms first, and then the arc plates 14 deform.
Further, the shock-absorbing member is a conventional lead rubber shock-insulating support, and each shock-absorbing member includes:
the cushioning body 15 is arranged on the base table 8 in a surrounding manner, the cushioning body 15 is made of steel-bone silica gel, and the lead core rod 16, the steel plate 17 and the cushioning block 18 are arranged in the cushioning body 15 and form an integral structure with the cushioning body 15 for achieving the purpose of longitudinal shock absorption and cushioning;
a lead rod 16 provided in the center of the cushioning body 15;
a steel plate 17 provided between the lead core rod 16 and the inner wall of the cushioning body 15;
a buffer block 18 provided between each two steel plates 17, the buffer block 18 being made of a plurality of rubber laminated and connected to each other; the steel plate realizes the connection of the lead core rod 16 and the cushioning body 15 and keeps the cushioning block 18 stable; when the buffer block 18 is in shear deformation, the lead core rod 16 absorbs energy by plastic deformation, and the lead core rod 16 automatically restores the original position of the base table 8 through dynamic restoration and recrystallization processes and the shearing tension action of the buffer block 18.
Further, the steady rest 2 is selected from a circular frame, a square frame or a tripod, and the steady rest 2 is an annular frame, so that the contact area with an upper building structure is increased; and more preferably, the circular frame is uniformly stressed at all positions on the circular frame, and deformation is not easy to occur.
Further, the base layer 1 and the cushioning body 15, and the stability frame 2 and the upper building structure are respectively connected by anchor bars 19, so as to realize that the damping device is stably arranged between the upper building structure and the base layer 1.
Principle of use
Installing the damping device on the substrate layer 1 by adopting anchor bars 19, and then covering the upper building structure on the top of the damping device; when the earthquake occurs, if the level of the earthquake is less than or equal to that of the earthquake or the medium strong earthquake, the buffer auxiliary piece deforms at the moment, so that the purpose of earthquake resistance and shock absorption is realized; if the earthquake is higher than the middle strong earthquake and shakes up and down, front and back, left and right in the space, the purpose of earthquake resistance and shock absorption is realized through the transverse shock absorption component and the longitudinal shock absorption component.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (3)
1. The civil engineering earthquake-resistant structure comprises an upper building structure and a substrate layer (1), and is characterized by further comprising a damping device, wherein the damping device is arranged between the upper building structure and the substrate layer (1), the damping device comprises a transverse damping component, and the transverse damping component is further sleeved with and elastically connected with a longitudinal damping component;
the transverse shock assembly includes:
a stability frame (2) connected to the superstructure;
a plurality of first oil pressure viscous dampers (3) which are uniformly and obliquely arranged between the steady rest (2) and the basal layer (1);
the longitudinal shock absorbing assembly includes:
the limiting table (4) is arranged in the stability holding frame (2), and the top wall of the limiting table (4) is flush with the stability holding frame (2);
the damping parts are arranged between the basal layer (1) and the limiting table (4) and are arranged on the limiting table (4) in a surrounding mode;
the limit table (4) comprises:
a top table (6), the bottom of which is provided with an arc surface layer (7);
the device comprises a base table (8), wherein a trapezoid through groove (9) is formed in the top of the base table (8), the top table (6) is located in the through groove (9), the cambered surface layer (7) is abutted to the bottom wall of the through groove (9), the side wall of the top table (6) is abutted to the through groove (9), the bottom wall of the through groove (9) is larger than the opening size of the through groove, a second damping material (10) is arranged between the side wall of the top table (6) and the inner wall of the through groove (9), a plurality of second oil pressure viscous dampers (11) are arranged between the top table (6) and the base layer (1), a buffering auxiliary piece is further arranged at the top of the top table (6), the buffering auxiliary piece comprises a buffer layer (12) and a supporting layer (13), the buffer layer (12) is arranged at the top of the supporting layer (13), a plurality of arc-shaped plates (14) are arranged in parallel and level with the base layer (12) and the base layer (1).
The damping member is arranged on the base table (8) in a surrounding manner, and a first damping material (5) is arranged between the base table (8) and the damping member;
each of the shock absorbing members includes:
the shock absorber (15) is arranged on the base table (8) in a surrounding mode, and the shock absorber (15) is steel-bone silica gel;
a lead core rod (16) provided in the center of the shock absorber (15);
a steel plate (17) provided between the lead core rod (16) and the inner wall of the shock absorber (15);
and a buffer block (18) provided between each two of the steel plates (17).
2. Civil engineering earthquake-resistant structure according to claim 1, characterized in that the base layer (1) and the cushioning body (15) and the steady rest (2) and the upper building structure are connected by means of anchor bars (19), respectively.
3. Civil engineering earthquake-resistant structure according to claim 1, characterized in that the steady rest (2) is selected from a circular rest, a square rest or a tripod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277308.5A CN114482319B (en) | 2022-03-17 | 2022-03-17 | Civil engineering shock-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277308.5A CN114482319B (en) | 2022-03-17 | 2022-03-17 | Civil engineering shock-resistant structure |
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| Publication Number | Publication Date |
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| CN114482319A CN114482319A (en) | 2022-05-13 |
| CN114482319B true CN114482319B (en) | 2023-08-18 |
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| CN202210277308.5A Active CN114482319B (en) | 2022-03-17 | 2022-03-17 | Civil engineering shock-resistant structure |
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| CN211597159U (en) * | 2019-08-02 | 2020-09-29 | 吴敬鑫 | Shock-proof and shock-absorbing structure |
| CN110700431A (en) * | 2019-09-24 | 2020-01-17 | 深圳市建筑设计研究总院有限公司 | Multifunctional shock isolation device, shock isolation support and building |
| CN211369121U (en) * | 2019-11-07 | 2020-08-28 | 中铁建大桥工程局集团第五工程有限公司 | Anti-seismic support for construction |
| CN111042337A (en) * | 2019-12-18 | 2020-04-21 | 重庆大学 | Novel three-dimensional shock insulation support for large-span space structure |
| CN111173161A (en) * | 2020-03-11 | 2020-05-19 | 张靖 | Multi-dimensional anti-seismic buffer base mechanism for building and implementing method thereof |
| CN114182838A (en) * | 2020-09-15 | 2022-03-15 | 杨学斌 | Split type building earthquake-resistant structure of civil engineering |
| CN214220042U (en) * | 2021-01-12 | 2021-09-17 | 龚艳林 | Shock attenuation building structure of post ground |
| CN215829692U (en) * | 2021-06-22 | 2022-02-15 | 浙江宇仁建筑科技有限公司 | Lead core rubber shock insulation support capable of resetting |
| CN215367951U (en) * | 2021-07-01 | 2021-12-31 | 遵义师范学院 | A kind of civil engineering split building seismic structure |
| CN215106215U (en) * | 2021-07-17 | 2021-12-10 | 珠海市建安集团有限公司 | Spherical damping support suitable for large-span steel construction |
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