CN114411531B - Anti-seismic device and anti-seismic structure for bridge - Google Patents
Anti-seismic device and anti-seismic structure for bridge Download PDFInfo
- Publication number
- CN114411531B CN114411531B CN202210094964.1A CN202210094964A CN114411531B CN 114411531 B CN114411531 B CN 114411531B CN 202210094964 A CN202210094964 A CN 202210094964A CN 114411531 B CN114411531 B CN 114411531B
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- buffer
- piece
- seismic
- seismic device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides an anti-seismic device for a bridge, which comprises a mounting seat, a connecting piece and a connecting seat, wherein the mounting seat is provided with a connecting piece; the mounting seat comprises a mounting end and a connecting end, and the connecting seat comprises a buffer piece and a buffer plate. The connecting piece is of a hollow columnar structure, the connecting end and the buffer piece are sleeved on the connecting piece, and the inner cavity of the connecting piece is injected to be matched with the buffer piece to realize an anti-seismic effect; one end of the buffer piece is a telescopic rod, and the telescopic rod is rotatably connected with the buffer plate. The invention also provides an anti-seismic structure for the bridge, wherein the anti-seismic device is arranged between the main beam and the cross beam to prevent the rigid collision between the cross beam and the main beam, and meanwhile, the buffer part of the anti-seismic device adopts a liquid damper, so that the anti-seismic structure has a good buffering effect and can better realize the anti-seismic of the bridge.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to an anti-seismic device and an anti-seismic structure for a bridge.
Background
The bridge is an important link in transportation, and land bridge buildings such as an overhead bridge and an overpass are increasingly widely applied to life of people in order to meet the requirements of high-speed social development and save land resources and protect natural environments. The number of bridges which are currently built and established in China is quite considerable, along with the increasing construction quantity of the bridges, the protection and reinforcement work of the bridges is particularly important, particularly, a plurality of areas in China are in earthquake-prone zones, the bridges are damaged by the earthquakes, and the economic losses are huge.
In order to reduce the damage of the earthquake to the bridge, the technical staff adopts the measures that reinforced concrete stop blocks are arranged on two sides of the top of the bridge pier bent cap so as to limit the larger displacement of the transverse bridge direction of the bridge body, however, the defect of the method is obvious, the rigid collision between the bridge body and the stop blocks is easy to cause local damage, the earthquake can not effectively buffer the shaking generated by the earthquake when coming, and the installation and the disassembly between the bridge body and the stop blocks are very complicated, so that the rapid construction and the later maintenance are not facilitated.
Disclosure of Invention
The invention aims to provide an anti-seismic device and an anti-seismic structure for a bridge, and the concrete technical scheme is as follows:
an anti-seismic device for a bridge, the anti-seismic device comprising a mounting base, a connecting piece and a connecting base; the mounting seat comprises a mounting end and a connecting end, the connecting seat comprises a buffer piece and a buffer plate, and the mounting end and the buffer plate are detachably mounted on a concrete plane.
Specifically, the connecting piece is of a hollow columnar structure, and the connecting piece is sleeved with the connecting end and the buffer piece; the connecting part of the connecting piece and the buffer piece is provided with an annular flange, the buffer piece is of a columnar structure, and a baffle plate is arranged on the cylindrical surface of the inner cavity of the connecting piece; the inner cavity of the connecting piece is divided into two parts which do not circulate by the partition board; one end of the buffer piece is a telescopic rod, and the telescopic rod is rotatably connected with the buffer plate; the surface of the connecting piece is provided with holes.
Specifically, the mounting end comprises a mounting base and a supporting block; the installation base is arranged on a concrete plane, and the supporting blocks are fixed on the installation base.
Preferably, the connection end comprises a support column; one end of the support column is fixedly connected to one surface of the support block, which is far away from the mounting base; the support column and the connecting piece are far away from the opening of one end of the buffer piece and are matched to form an interference fit clamping structure.
Preferably, the connecting end further comprises a thin rod, and the thin rod is vertically arranged on the end face of the other end of the supporting column.
Preferably, the center line of the support column, the center line of the slender rod, the center line of the connecting piece and the center line of the buffer piece are all positioned on the same straight line.
Preferably, in the cavity of the connecting piece, a plurality of positioning rods are vertically arranged on the cylindrical surface of the buffer piece; the length of the positioning rod is not more than the distance between the cylindrical surface of the buffer piece and the inner wall of the connecting piece.
Preferably, sealing rings are arranged on the contact surfaces of the annular flange, the partition plate, the mounting seat and the connecting piece; the sealing ring is made of rubber.
Preferably, grouting holes are formed in the surface of the connecting piece, and the number of the grouting holes is two to four; the grouting holes are positioned between the thin rods and the buffer piece.
Preferably, the buffer member is a liquid damper, and the buffer plate is a damping plate.
The invention also provides an anti-seismic structure for the bridge, which comprises a capping beam, a main beam and the anti-seismic device; the upper surface of the bent cap is provided with a mounting bracket, and the main beam is mounted on the mounting bracket; and the anti-seismic device is arranged between the cover beam and the main beam.
The technical scheme of the invention has the following beneficial effects:
the invention provides an anti-seismic device for a bridge, wherein a detachable sleeved connection is arranged among a mounting seat, a connecting piece and a connecting seat, and clamping structures are respectively arranged between the mounting seat and the connecting piece and between the connecting seat and the connecting piece to fix the mounting seat, the connecting piece and the connecting seat. The connecting piece is internally provided with a cavity, and a good anti-seismic effect is achieved by grouting into the cavity when the anti-seismic device is installed.
According to the invention, the baffle plate can effectively prevent slurry from flowing into the telescopic rod, so that the normal movement of the telescopic rod is influenced, and the stability of the anti-seismic device in the use process is ensured.
According to the invention, the buffer piece is rotatably connected with the buffer plate, so that a multi-angle buffer effect is realized, and adverse effects caused by vibration are effectively resisted.
According to the invention, the thin rod and the positioning rod are arranged in the inner cavity of the connecting piece, so that a good anti-seismic effect can be achieved after grouting, and the anti-seismic device after grouting can be matched with the buffer piece to achieve bridge anti-seismic effect well.
In addition, the invention also provides an anti-seismic structure for the bridge, and the anti-seismic structure improves the anti-seismic capacity of the girder by arranging the cross beams. The anti-seismic device is arranged between the main beam and the cross beam to achieve a good anti-seismic effect.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the seismic apparatus of the invention;
FIG. 2 is a schematic view of the structure of the mounting base of the present invention;
FIG. 3 is a schematic view of the structure of the connecting table and the connecting member (assembled state) according to the present invention;
FIG. 4 is a schematic view of the seismic structure of embodiment 2 of the invention;
fig. 5 is a schematic view of an earthquake-resistant structure of embodiment 3 in the present invention.
The device comprises a 1 mounting seat, a 1-1 mounting base, a 1-2 supporting block, a 1-2-1 positioning ring, a 1-3 supporting column, a 1-4 thin rod, a 2 connecting piece, a 2-1 annular flange, a 2-2 grouting hole, a 2-3 annular groove, a 3 connecting seat, a 3-1 buffer piece, a 3-1-1 partition plate, a 3-1-2 positioning rod, a 3-2 buffer plate, a 4-bent cap, a 4-1 mounting bracket, a 4-2 fixing beam and a 5 main beam.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Example 1:
the embodiment provides an anti-seismic device for a bridge, as shown in fig. 1, the anti-seismic device comprises a mounting seat 1, a connecting piece 2 and a connecting seat 3; the mounting seat 1 comprises a mounting end and a connecting end, the connecting seat comprises a buffer piece 3-1 and a buffer plate 3-2, and the mounting end and the buffer plate 3-2 are detachably mounted on a concrete plane.
Specifically, the connecting piece 2 is of a hollow columnar structure, and the connecting piece 2 is sleeved with the connecting end and the buffer piece 3-1; an annular flange 2-1 is arranged at the joint of the connecting piece 2 and the buffer piece 3-1, the buffer piece 3-1 is of a columnar structure, and a partition plate 3-1-1 is arranged on the cylindrical surface of the inner cavity of the connecting piece 2; the partition board 3-1-1 divides the inner cavity of the connecting piece 2 into two parts which are not circulated; one end of the buffer piece 3-1 is provided with a telescopic rod, and the telescopic rod is rotatably connected with the buffer plate 3-2; the surface of the connecting piece 2 is provided with holes.
In this embodiment, the inner cavity of the connecting piece 2 needs to be grouting during use, and the partition plate 3-1-1 can prevent the slurry from flowing to the telescopic rod to cause the damage to the buffer piece 3-1.
Preferably, as shown in FIG. 2, the mounting end comprises a mounting base 1-1 and a support block 1-2; the mounting base 1-1 is arranged on a concrete plane, and the supporting block 1-2 is fixed on the mounting base 1-1.
Preferably, the connecting end comprises support columns 1-3; one end of the support column 1-3 is fixedly connected to one surface of the support block 1-2, which is far away from the mounting base 1-1; the support column 1-3 and one end opening of the connecting piece 2 far away from the buffer piece 3-1 are matched to form an interference fit clamping structure. The preferred clamping structure of this embodiment is formed by matching a sealing ring arranged around the support column with an annular groove arranged on the connecting piece 2.
Preferably, the connecting end further comprises a thin rod 1-4, and the thin rod 1-4 is vertically arranged on the end face of the other end of the supporting column 1-2.
Preferably, the center line of the support column 1-3, the center line of the slender rod 1-4, the center line of the connecting piece 2 and the center line of the buffer piece 3-1 are all positioned on the same straight line. The preferred shape of the connecting piece 2 in this embodiment is a circular tube, the support columns 1-3 and the thin rods 1-4 are both cylindrical structures, and the diameter of the thin rods is not more than half of the diameter of the support columns.
Preferably, as shown in fig. 3, in the cavity of the connecting piece 2, a plurality of positioning rods 3-1-2 are vertically arranged on the cylindrical surface of the buffer piece 3-1; the length of the positioning rod 3-1-2 does not exceed the distance between the cylindrical surface of the buffer member 3-1 and the inner wall of the connecting member 2.
Preferably, sealing rings are arranged on the contact surfaces of the annular flange 2-1, the partition plate 3-1-1, the mounting seat 1 and the connecting piece 2; the sealing ring is made of rubber.
Preferably, grouting holes 2-2 are formed in the surface of the connecting piece 2, and the number of the grouting holes 2-2 is two to four; the grouting holes 2-2 are positioned between the thin rods 1-4 and the buffer pieces 3-1. The buffer member 3-1 is a liquid damper, and the buffer plate 3-2 is a damping plate.
The specific usage mode of this embodiment is as follows:
first, the mounting base 1-1 is fixed to the first concrete surface by anchor bolts or expansion bolts.
Then, the damper is inserted from one end port of the connecting piece 2, the front end of the damper and the telescopic rod are guaranteed to extend out of the other end port of the connecting piece 2 through the annular flange 2-1, then the damping plate is attached to the second concrete surface, one side face of the damping plate is movably connected with the telescopic rod of the damper through the hinge structure, one end of the connecting piece 2 is sleeved on the supporting column, and the sealing ring is guaranteed to be inserted into the annular groove to form a sealing structure.
Finally, concrete slurry is injected into the connecting piece 2 through the grouting holes, the inner cavity of the connecting piece 2 is filled with the concrete slurry, and in the process, the concrete slurry can push the partition plate and the damper to approach the annular flange until the partition plate is tightly attached to the annular flange.
The embodiment provides an anti-seismic device for bridge, anti-seismic device is through detachable cover establishes formula connection between mount pad, connecting piece and the connecting piece, sets up the joint structure between mount pad and the connecting piece and between connecting piece and the connecting piece respectively and realizes the fixed of three. The connecting piece is internally provided with a cavity, and a good anti-seismic effect is achieved by grouting into the cavity when the anti-seismic device is installed. In addition, the locating rod and the slender rod can play a role in improving stability of the device after grouting.
Example 2:
the embodiment provides a transverse earthquake-resistant structure for a bridge.
A transverse seismic structure for a bridge as shown in fig. 4, comprising a cap beam 4, a main beam 5 and the seismic apparatus of embodiment 1; the upper surface of the cover beam is provided with a mounting bracket 4-1, a main beam 5 is arranged above the cover beam 4, and the main beam 5 is mounted on the mounting bracket 4-1; the two sides of the upper surface of the cover beam 4, which surrounds the main beam 5 in the width direction, are respectively and fixedly provided with a fixed beam 4-2, and the fixed beams 4-2 are arranged at two sides of the main beam 5; the anti-seismic device is arranged between the fixed beam 4-2 and the main beam 5 or between the cover beam 4 and the main beam 5.
The embodiment provides a transverse earthquake-resistant structure for a bridge, wherein the transverse earthquake-resistant structure of a main beam 5 is formed by arranging fixed beams 4-2 on two sides of the main beam 5 and arranging the earthquake-resistant device between the fixed beams 4-2 and the main beam 5. The transverse shock-resistant structure can effectively resist transverse shock and improve stability of the bridge.
Example 3:
the embodiment provides a longitudinal earthquake-resistant structure for a bridge.
A longitudinal seismic structure for a bridge as shown in fig. 5, comprising a cap beam 4, a main beam 5 and the seismic apparatus of embodiment 1; the upper surface of the bent cap is provided with a mounting bracket 4-1, and the main beam 5 is arranged on the mounting bracket 4-1; the anti-seismic device is longitudinally arranged between the cover beam 4 and the main beam 5.
The present embodiment proposes a longitudinal shock-resistant structure for a bridge, which is formed by longitudinally arranging the shock-resistant device between a capping beam 4 and the main beam 5. The longitudinal shock-resistant structure can effectively resist longitudinal shock and improve the stability of the bridge.
Further, when the anti-seismic structure in embodiment 2 or embodiment 3 is damaged, the worker may detach the damping plate from the main beam 5, pull the support column 1-3 from the connector 2, detach the mounting base 1 and the connector 2, and replace the device according to the damage condition, and in the detachment process, the support column 1-3 can be pulled out in an auxiliary manner by knocking the outer surface of the connector 2.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. The anti-seismic device for the bridge is characterized by comprising a mounting seat (1), a connecting piece (2) and a connecting seat (3); the mounting seat (1) comprises a mounting end and a connecting end, the connecting seat comprises a buffer piece (3-1) and a buffer plate (3-2), and the mounting end and the buffer plate (3-2) are detachably mounted on a concrete plane;
the connecting piece (2) is of a hollow columnar structure, and the connecting piece (2) is sleeved with the connecting end and the buffer piece (3-1); an annular flange (2-1) is arranged at the joint of the connecting piece (2) and the buffer piece (3-1), the buffer piece (3-1) is of a columnar structure, and a partition plate (3-1-1) is arranged on the cylindrical surface of the inner cavity of the connecting piece (2); the inner cavity of the connecting piece (2) is divided into two parts which do not circulate by the partition board (3-1-1); one end of the buffer piece (3-1) is a telescopic rod, and the telescopic rod is rotatably connected with the buffer plate (3-2); grouting holes (2-2) are formed in the surface of the connecting piece (2);
the buffer piece (3-1) is a liquid damper, and the buffer plate (3-2) is a damping plate;
and injecting concrete slurry into the connecting piece (2) through the grouting holes, wherein the concrete slurry fills the inner cavity of the connecting piece (2), and in the process, the concrete slurry pushes the partition plate (3-1-1) and the liquid damper to approach the annular flange (2-1) until the partition plate (3-1-1) is tightly attached to the annular flange (2-1).
2. The anti-seismic device according to claim 1, characterized in that the mounting end comprises a mounting base (1-1) and a support block (1-2); the mounting base (1-1) is arranged on a concrete plane, and the supporting block (1-2) is fixed on the mounting base (1-1).
3. The anti-seismic device according to claim 2, characterized in that said connection end comprises a support column (1-3); one end of the supporting column (1-3) is fixedly connected to one surface of the supporting block (1-2) far away from the mounting base (1-1); the support column (1-3) and one end opening of the connecting piece (2) far away from the buffer piece (3-1) are matched to form an interference fit clamping structure.
4. A seismic device according to claim 3, wherein the connection end further comprises a thin rod (1-4), said thin rod (1-4) being vertically arranged on the end face of the other end of the support column (1-3).
5. The anti-seismic device according to claim 4, characterized in that the centre line of the support column (1-3), the centre line of the thin rod (1-4), the centre line of the connecting piece (2) and the centre line of the buffer piece (3-1) are all on the same straight line.
6. The anti-seismic device according to claim 5, characterized in that in the cavity of the connecting piece (2), a plurality of positioning rods (3-1-2) are vertically arranged on the cylindrical surface of the buffer piece (3-1); the length of the positioning rod (3-1-2) is not more than the distance between the cylindrical surface of the buffer piece (3-1) and the inner wall of the connecting piece (2).
7. The anti-seismic device according to claim 1, characterized in that sealing rings are provided on the contact surfaces of the annular flange (2-1), the partition (3-1-1) and the mounting seat (1) and the connecting piece (2); the sealing ring is made of rubber.
8. The anti-seismic device according to claim 1, characterized in that the number of grouting holes (2-2) is two to four; the grouting holes (2-2) are positioned between the thin rods (1-4) and the buffer piece (3-1).
9. An earthquake-resistant structure for bridges, characterized by comprising a cap beam (4), a main beam (5) and an earthquake-resistant device according to any one of claims 1-8; the upper surface of the bent cap is provided with a mounting bracket (4-1), and the main beam (5) is mounted on the mounting bracket (4-1); the anti-seismic device is arranged between the cover beam (4) and the main beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094964.1A CN114411531B (en) | 2022-01-26 | 2022-01-26 | Anti-seismic device and anti-seismic structure for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094964.1A CN114411531B (en) | 2022-01-26 | 2022-01-26 | Anti-seismic device and anti-seismic structure for bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411531A CN114411531A (en) | 2022-04-29 |
| CN114411531B true CN114411531B (en) | 2024-02-06 |
Family
ID=81278154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210094964.1A Active CN114411531B (en) | 2022-01-26 | 2022-01-26 | Anti-seismic device and anti-seismic structure for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114411531B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203603042U (en) * | 2013-12-02 | 2014-05-21 | 中铁第一勘察设计院集团有限公司 | Function separation type large-span continuous beam isolation bearing |
| CN104831870A (en) * | 2015-04-20 | 2015-08-12 | 北京工业大学 | Viscous damping steel connector |
| JP2015212489A (en) * | 2014-05-02 | 2015-11-26 | 首都高速道路株式会社 | Damper for use in earthquake-resistant structure of bridge and recovery method of earthquake-resistant structure |
| WO2019080599A1 (en) * | 2017-10-23 | 2019-05-02 | 株洲时代新材料科技股份有限公司 | Anti-shock device |
| CN110541351A (en) * | 2019-09-30 | 2019-12-06 | 北方工业大学 | anti-seismic device and bridge |
| CN111441241A (en) * | 2020-04-13 | 2020-07-24 | 南昌大学 | Bridge anti-seismic damper structure with rotational friction energy consumption |
| CN112853946A (en) * | 2021-03-18 | 2021-05-28 | 长安大学 | Grouting sleeve, grouting sleeve connected assembled pier and construction method thereof |
| CN214530165U (en) * | 2021-03-13 | 2021-10-29 | 王塬 | Anti-seismic device for highway bridge |
| CN214573416U (en) * | 2021-01-22 | 2021-11-02 | 广州珠江黄埔大桥建设有限公司 | Damping type elastic support disposal device for cracking disease of steel box girder inclined web member |
-
2022
- 2022-01-26 CN CN202210094964.1A patent/CN114411531B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203603042U (en) * | 2013-12-02 | 2014-05-21 | 中铁第一勘察设计院集团有限公司 | Function separation type large-span continuous beam isolation bearing |
| JP2015212489A (en) * | 2014-05-02 | 2015-11-26 | 首都高速道路株式会社 | Damper for use in earthquake-resistant structure of bridge and recovery method of earthquake-resistant structure |
| CN104831870A (en) * | 2015-04-20 | 2015-08-12 | 北京工业大学 | Viscous damping steel connector |
| WO2019080599A1 (en) * | 2017-10-23 | 2019-05-02 | 株洲时代新材料科技股份有限公司 | Anti-shock device |
| CN110541351A (en) * | 2019-09-30 | 2019-12-06 | 北方工业大学 | anti-seismic device and bridge |
| CN111441241A (en) * | 2020-04-13 | 2020-07-24 | 南昌大学 | Bridge anti-seismic damper structure with rotational friction energy consumption |
| CN214573416U (en) * | 2021-01-22 | 2021-11-02 | 广州珠江黄埔大桥建设有限公司 | Damping type elastic support disposal device for cracking disease of steel box girder inclined web member |
| CN214530165U (en) * | 2021-03-13 | 2021-10-29 | 王塬 | Anti-seismic device for highway bridge |
| CN112853946A (en) * | 2021-03-18 | 2021-05-28 | 长安大学 | Grouting sleeve, grouting sleeve connected assembled pier and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114411531A (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111852054B (en) | Masonry wall antidetonation is strengthened device | |
| CN109898691B (en) | Damping grounding type fabricated reinforced concrete tuned mass damping wall | |
| CN114060615A (en) | Underground utility tunnel bears shock-absorbing capacity reinforcing antidetonation system | |
| CN114411531B (en) | Anti-seismic device and anti-seismic structure for bridge | |
| CN112323982B (en) | Temporary building beam column connection supporting structure | |
| CN213683437U (en) | Anti-seismic profile steel structure fabricated building | |
| CN109024708A (en) | A kind of isolation mounting for building and subway upper cover vertical vibration isolation wave building structure | |
| CN112282472A (en) | Concrete beam column's of high shock resistance connected node | |
| CN208347035U (en) | A kind of steel structure earthquake-resistant bracket | |
| CN214784945U (en) | Prefabricated reinforced concrete column foundation swinging energy dissipation node with fan-shaped damping device | |
| CN116220211A (en) | Three-way self-resetting energy-consumption shock insulation support | |
| CN213773824U (en) | House building anti-seismic support | |
| CN211231387U (en) | Efficient magnetic suspension shock isolator | |
| CN112459584B (en) | Wallboard concatenation and ground absorbing assembled frame construction | |
| CN210421397U (en) | Anti-seismic reinforced concrete frame structure | |
| CN103628568B (en) | A kind of arrangement mode of ball hinged supporting frame of latticed shell structure | |
| CN211897805U (en) | Shock-absorbing and buffering base structure of road and bridge | |
| CN113123456A (en) | Connecting column type supporting-assembling type concrete frame system and construction method | |
| CN111962569A (en) | Lower shock isolation support for tunnel shock isolation | |
| CN214329376U (en) | Civil engineering antidetonation device | |
| CN117605182B (en) | Assembled wall body of shock attenuation for prefabricated building | |
| CN211772760U (en) | Anti-seismic steel structure frame for bridge | |
| CN220666295U (en) | Building structure shock-absorbing seat | |
| CN221297947U (en) | Shock attenuation foundation pile | |
| CN214116262U (en) | Bridge antidetonation anti-drop support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |