CN112942080A - Tension-compression anti-falling bridge seismic mitigation and isolation support - Google Patents
Tension-compression anti-falling bridge seismic mitigation and isolation support Download PDFInfo
- Publication number
- CN112942080A CN112942080A CN202110071768.8A CN202110071768A CN112942080A CN 112942080 A CN112942080 A CN 112942080A CN 202110071768 A CN202110071768 A CN 202110071768A CN 112942080 A CN112942080 A CN 112942080A
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- cylinder body
- isolation bearing
- oil outlet
- shock
- piston
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- 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
- E01D19/04—Bearings; Hinges
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- 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
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a tension-compression anti-falling bridge seismic isolation bearing which comprises a seismic isolation bearing core body, an upper support plate and a lower support plate, wherein shock absorbers are arranged on two sides of the seismic isolation bearing core body and comprise a cylinder body and a piston rod, a top plate is arranged at the top of the piston rod, and a spring sleeved on the piston rod is arranged between the top plate and the cylinder body; an annular groove is formed in the side wall of the lower portion of the cylinder body, a piston, an oil storage cavity and an oil outlet groove are arranged in the cylinder body, an oil outlet hole communicated with the oil outlet groove is formed in the side wall of the cylinder body, and an oil outlet mechanism is arranged between the oil storage cavity and the oil outlet groove; according to the invention, the shock absorbers are arranged around the support, wherein the shock absorbers are matched with the springs and the hydraulic oil circuit for use, on the basis of primary shock absorption and shock isolation of the existing support, secondary shock absorption and shock isolation are carried out by utilizing spring compression, and tertiary shock absorption and shock isolation are carried out by utilizing the hydraulic oil circuit, so that the impact of geological vibration, vehicle load and temperature stress on a bridge is solved, the shock resistance and pressure resistance of the support are improved, and the shear deformation of the support is avoided.
Description
Technical Field
The invention belongs to the technical field of methods or equipment special for erecting or assembling bridges, and particularly relates to a tension-compression anti-falling bridge seismic isolation and reduction support.
Background
In a bridge structure, a support is an important part for connecting an upper structure and a lower structure of a bridge, and firstly, enough bearing capacity is required to ensure that the reaction force (vertical force and horizontal force) of the support is safely and reliably transmitted to the lower structure; secondly, the restraint of the support on the deformation (displacement and corner) of the bridge is as small as possible so as to adapt to the requirements of free expansion and rotation of the beam body, otherwise, secondary internal force is generated in the statically indeterminate structure, the structure is damaged, and the service life of the structure is greatly shortened; when an earthquake, particularly a larger earthquake grade, occurs, the upper structure of the bridge has certain displacement and speed relative to the bridge pier, so that a powerful effect is caused between the beam body and the bridge pier, and if the support does not have good shock absorption and shock isolation effects, the beam body is greatly damaged, and the breakage of the pier bottom and the beam falling accidents are possibly caused.
The existing bridge has certain requirements on overload and heavy load in order to avoid the phenomenon that the bridge turns over or collapses, particularly, in the recent years, small earthquakes are continuous, the maintenance and the maintenance of a shock insulation support cannot be in place in time, the bridge turns over reversely, although the existing shock insulation support adopts a limit screw, a limit block, a limit strip and other structures for prediction, the limit screw 9, the limit block and the limit strip are arranged in the support, maintenance personnel cannot find and replace the support in time under the conditions of fracture and failure of the limit function, the support compression resistance and the shear failure of the support to the bridge are easily caused, after transverse bridge constraint failure, the beam body transversely deforms and continues to transversely move towards the outer side of a curve under the action of automobile load and circulating temperature, and the bridge turns over easily.
Disclosure of Invention
In view of the above, the invention aims to provide a tension-compression anti-falling bridge seismic reduction and isolation support, wherein the periphery of the support is provided with shock absorbers, the shock absorbers are matched with springs and hydraulic oil paths for use, on the basis of primary shock absorption and shock isolation of the existing support, secondary shock absorption and shock isolation are carried out by utilizing spring compression, and tertiary shock absorption and shock isolation are carried out by utilizing the hydraulic oil paths, so that the impact of geological vibration, vehicle load and temperature stress on a bridge is solved, the seismic resistance and pressure resistance of the support are improved, and the shear deformation of the support is avoided.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a tension-compression anti-falling bridge seismic isolation bearing comprises a seismic isolation bearing core body, an upper bearing plate and a lower bearing plate which are connected with the seismic isolation bearing core body, wherein shock absorbers are arranged on two sides of the seismic isolation bearing core body, which are close to the side part of a beam body, the top and the bottom of each shock absorber are respectively connected with the upper bearing plate and the lower bearing plate,
the shock absorber comprises a cylinder body and a piston rod sleeved in the cylinder body, the rod diameter of the piston rod is the same as the aperture of the cylinder body, a top plate connected with an upper support plate is arranged at the top of the piston rod extending out of the cylinder body, the bottom of the cylinder body is connected with a lower support plate, and a spring sleeved on the piston rod is arranged between the top plate and the cylinder body;
the oil-saving cylinder is characterized in that an annular groove is formed in the side wall of the lower portion of the inner portion of the cylinder body, a piston which is connected with a piston rod and used for moving in the annular groove is arranged in the cylinder body, an oil storage cavity is formed between the piston and the inner bottom of the cylinder body, an oil outlet groove is formed by the upper surface of the piston, the annular groove and the piston rod in a surrounding mode, an oil outlet hole communicated with the oil outlet groove is formed in the side wall of the cylinder body, and an oil outlet mechanism used for controlling the descending speed.
Further, the oil outlet mechanism is arranged to be a gap between the piston and the inner wall of the annular groove, and the width of the gap is set to be 0.2-0.5 mm.
Furthermore, the oil outlet mechanism is arranged to be an oil passing hole which is arranged on the piston and two ends of the oil passing hole are communicated with the oil storage cavity and the oil outlet groove, and the diameter of the oil passing hole is set to be 0.5-2 mm.
Further, the oil outlet is arranged at the top of the annular groove, and a fracturing sheet convenient for exhausting is arranged at the oil outlet.
Further, the maximum rated compression stroke of the spring is smaller than the movement displacement of the piston, and when the fracturing fracture piece of the oil outlet produces oil, the movement displacement of the piston is the same as the maximum rated compression stroke of the spring.
Further, the cylinder body bottom is provided with a cylinder base, be provided with the holding tank on the inner wall of cylinder base near oil storage chamber one side, be provided with the spacing tooth of loop configuration on the holding tank cell wall, the piston rod passes the piston cover and is equipped with the tooth that moves back of preventing with spacing tooth adaptation.
Further, the top plate upper surface sets up to the protruding structure of circle, be provided with the recess with the protruding structure adaptation of top plate circle on the upper bracket board.
Further, the shock absorbers are arranged in 2 pairs and symmetrically arranged along the center line of the side wall of the isolation bearing core body.
Further, a fixing groove for accommodating the bottom of the cylinder body is formed in the lower support plate.
Further, the lateral wall all around that the isolation bearing core is close to the roof beam body lateral part all extends outward and has 1 pair of extension, the extension sets up along isolation bearing core central line symmetry, the vertical mounting groove that is provided with of extension, the bumper shock absorber is fixed in the mounting groove.
The invention has the beneficial effects that:
1. the shock absorbers are arranged around the support, the shock absorbers are matched by the springs and the hydraulic oil circuit, the springs are compressed to perform secondary shock absorption and shock isolation on the basis of primary shock absorption and shock isolation of the existing support, and the hydraulic oil circuit is used to perform tertiary shock absorption and shock isolation, so that the impact of geological vibration, vehicle load and temperature stress on the bridge is solved, the shock resistance and pressure resistance of the support are improved, and the shear deformation of the support is avoided;
2. the invention utilizes the shock absorber, is convenient for observing the shock absorption and shock insulation failure caused by the failure of the spring, and is also beneficial for observing the shear failure of the support.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural view of an existing seismic isolation bearing in an installation state;
FIG. 2 is a schematic structural diagram of an installation state of the tension-compression anti-falling bridge seismic isolation and reduction support;
FIG. 3 is a top view of the tension-compression anti-falling bridge seismic isolation and reduction support;
FIG. 4 is a schematic structural diagram of a shock absorber in the tension-compression anti-falling bridge seismic isolation and reduction support;
FIG. 5 is a working state diagram of the shock absorber of the tension-compression anti-falling bridge seismic isolation bearing;
FIG. 6 is a schematic structural view of another embodiment of a shock absorber in the tension-compression anti-falling bridge seismic isolation bearing of the invention;
reference numerals: 1-a beam body; 2-pier body; 3-a vibration isolation support core body; 4-pre-burying a steel plate; 5-lower pre-buried steel plate; 6-an upper support plate; 7-a lower support plate; 8-embedding bolts; 9-a limit screw; 10-a shock absorber; 11-a cylinder body; 12-a piston rod; 13-a spring; 14-a piston; 15-oil storage chamber; 16-oil outlet groove; 17-oil outlet holes; 18-a gap; 19-anti-back teeth; 20-limit teeth; 21-cylinder base.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
As shown in fig. 2-5, the structural schematic diagram of the tension-compression anti-falling bridge seismic isolation bearing of the invention is that the tension-compression anti-falling bridge seismic isolation bearing of the invention comprises a seismic isolation bearing core body 3, an upper support plate 6 and a lower support plate 7 which are connected with the seismic isolation bearing core body, two sides of the seismic isolation bearing core body 3 close to the side part of the beam body 1 are provided with shock absorbers 10, the top and the bottom of the shock absorbers 10 are respectively connected with the upper support plate 6 and the lower support plate 7,
the shock absorber comprises a cylinder body 11 and a piston rod 12 sleeved in the cylinder body 11, the rod diameter of the piston rod 12 is the same as the aperture of the cylinder body 11, a top plate is arranged on the top of the piston rod 12 extending out of the cylinder body 1, and a spring 13 sleeved on the piston rod 12 is arranged between the top plate and the cylinder body 11;
be provided with the ring channel on the lateral wall of lower part in the cylinder body 11, be provided with in the cylinder body 11 and be connected with the piston rod and be used for the piston 14 that removes in the ring channel, be provided with oil storage chamber 15 between the bottom in piston 14 and the cylinder body 11, it has oil outlet tank 16 to enclose between piston 14 upper surface, ring channel and the piston rod 12, be provided with the oil outlet 17 with oil outlet tank 16 intercommunication on the lateral wall of cylinder body 11, be provided with the mechanism that produces oil that is used for controlling piston rod 12 slew velocity between oil storage chamber 15 and the oil outlet tank 16.
This embodiment sets up the support between the roof beam body 1 and the pier body 2, upper bracket board 6 is fixed on the roof beam body 1 through last pre-buried steel sheet 4 and pre-buried bolt 8, bottom suspension bedplate 7 is fixed on the pier body 2 through pre-buried steel sheet 5 and pre-buried bolt 8 down, the support adopts bolted connection on upper bracket board 6 and bottom suspension bedplate 7, through be provided with bumper shock absorber 11 around the support, wherein the bumper shock absorber adopts spring and hydraulic pressure oil circuit cooperation to use, on current support one-level shock attenuation and shock insulation basis, utilize spring compression to carry out second grade shock attenuation and shock insulation, utilize hydraulic pressure oil circuit to carry out tertiary shock attenuation and shock insulation, geological vibration has been solved, the impact of vehicle load and temperature stress to the bridge, improve support compressive capacity, avoid support shear deformation shock resistance.
In the preferred embodiment, the oil outlet mechanism is arranged as a gap 18 between the piston and the inner wall of the annular groove, and the width of the gap is set to be 0.2-0.5mm, and the structure of the embodiment is favorable for controlling the oil storage speed by using the gap, so that the time for completely pressing the oil storage cavity 15 into the oil outlet groove 16 is 5-10 minutes.
In a preferred embodiment, the oil outlet mechanism is provided as an oil passing hole which is arranged on the piston and has two ends communicated with the oil storage cavity and the oil outlet groove, and the diameter of the oil passing hole is set to be 0.5-2mm, and this embodiment is beneficial to controlling the oil storage speed by utilizing the gap, and the time for completely pressing the oil storage cavity 15 into the oil outlet groove 16 is 5-10 minutes.
In a preferred embodiment, the oil outlet 17 is arranged at the top of the annular groove, the oil outlet 17 is provided with a burst sheet for exhausting, the structure is favorable for enabling the pressure oil in the oil outlet groove 16 to generate pressure, and then the burst sheet can be burst, at the moment, the pressure oil flows out from the oil outlet 17, and through the arrangement of the burst sheet, the cleaning in the oil outlet groove 16 is also favorable for ensuring, and dust are prevented from entering the cylinder body 11.
According to the preferred embodiment, the maximum rated compression stroke of the spring is smaller than the movement displacement of the piston, the structure is beneficial to shock absorption and shock insulation by using the cylinder body and the hydraulic oil circuit control mechanism after the spring fails or breaks, the impact of geological vibration, vehicle load and temperature effect on a bridge is solved, the shock resistance and pressure resistance of the support are improved, the shear deformation of the support is avoided, and when the oil outlet fracturing and cracking piece produces oil, the movement displacement of the piston is the same as the maximum rated compression stroke of the spring.
The top plate is arranged to be of a round convex structure, the upper support plate 6 is provided with a groove matched with the round convex structure of the top plate, and when the beam body is transversely displaced, the top plate can still support the beam body to reduce and isolate shock under the action of the cylinder body and the hydraulic oil way control mechanism.
In a preferred embodiment, the shock absorbers 10 are arranged in 2 pairs and symmetrically arranged along the center line of the side wall of the isolation bearing core body 3, and the structure is favorable for improving the shock absorption effect of the shock absorbers.
In a preferred embodiment, the lower support plate 7 is provided with a fixing groove for accommodating the bottom of the cylinder body 11, and the structure is beneficial to limiting and fixing the cylinder body by the lower support plate 7, so that the installation of the shock absorber is facilitated.
In a preferable embodiment, 1 pair of extension parts extend outwards from the peripheral side wall of the isolation bearing core body 3 close to the side part of the beam body 1, the extension parts are symmetrically arranged along the central line of the isolation bearing core body 3, the extension parts are vertically provided with mounting grooves, and the shock absorber 10 is fixed in the mounting grooves, in the structure of the embodiment, on the basis of not changing the existing beam body 1, the pier body 2 and the isolation bearing core body 3, the extension parts are outwards arranged from the side wall of the isolation bearing core body 3, the shock absorber 10 is fixed at the side wall of the extension parts and the isolation bearing core body 3, so that the total weight of the isolation bearing core body 3 is increased by 5 percent, the load of the pier body is increased by 2 percent, the supporting and shock absorbing effects are improved to 80 percent, the service life of the isolation bearing core body 3 is prolonged, in order to avoid increasing the load of the pier body, by expanding the extension part, the contact area between the isolation bearing core body 3 and the beam body is unchanged, the supporting and damping effects are improved to 60 percent, and the service life of the isolation bearing core body 3 is prolonged.
Example two
Fig. 6 is a schematic structural view of another embodiment of the shock absorber in the tension-compression anti-falling bridge seismic isolation bearing of the invention.
The difference between the present embodiment and the first embodiment is: the 11 bottoms of cylinder body are provided with cylinder base 21, be provided with the holding tank on the inner wall that cylinder base 21 is close to oil storage chamber 15 one side, be provided with annular structure's spacing tooth 19 on the holding tank cell wall, the piston rod passes the piston cover and is equipped with the tooth 20 of moving back of preventing with 19 adaptations of spacing tooth, this embodiment utilizes and prevents moving back tooth and spacing tooth, after spring shock attenuation and shock insulation inefficacy, when spring restoring force is not enough to pull open and prevents moving back tooth and spacing tooth, the bumper shock absorber spring was in failure status this moment, shock attenuation shock insulation inefficacy is poor, when spring permanent failure status appears, spacing tooth will be dead to preventing moving back the tooth lock, make spring and piston rod break away from the bridge, conveniently in time change the bumper shock.
Other structures are the same as or similar to the structure of the first embodiment, and this embodiment is not necessarily described.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a draw and press bridge of preventing falling subtracts isolation bearing, includes isolation bearing core, rather than the upper bracket board and the bottom suspension bedplate of being connected, its characterized in that: shock absorbers are arranged on two sides of the shock insulation support core body close to the side part of the beam body, the top and the bottom of each shock absorber are respectively connected with the upper support plate and the lower support plate,
the shock absorber comprises a cylinder body and a piston rod sleeved in the cylinder body, the rod diameter of the piston rod is the same as the aperture of the cylinder body, a top plate connected with an upper support plate is arranged at the top of the piston rod extending out of the cylinder body, the bottom of the cylinder body is connected with a lower support plate, and a spring sleeved on the piston rod is arranged between the top plate and the cylinder body;
the oil-saving cylinder is characterized in that an annular groove is formed in the side wall of the lower portion of the inner portion of the cylinder body, a piston which is connected with a piston rod and used for moving in the annular groove is arranged in the cylinder body, an oil storage cavity is formed between the piston and the inner bottom of the cylinder body, an oil outlet groove is formed by the upper surface of the piston, the annular groove and the piston rod in a surrounding mode, an oil outlet hole communicated with the oil outlet groove is formed in the side wall of the cylinder body, and an oil outlet mechanism used for controlling the descending speed.
2. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 1, wherein: the oil outlet mechanism is arranged to be a gap between the piston and the inner wall of the annular groove, and the width of the gap is 0.2-0.5 mm.
3. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 1, wherein: the oil outlet mechanism is arranged as an oil passing hole which is arranged on the piston and the two ends of the oil passing hole are communicated with the oil storage cavity and the oil outlet groove for pressing, and the diameter of the oil passing hole is set to be 0.5-2 mm.
4. The tension-compression anti-falling bridge seismic isolation bearing as claimed in any one of claims 1 to 3, wherein: the oil outlet is arranged at the top of the annular groove, and a fracturing sheet convenient for exhausting is arranged at the oil outlet.
5. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 4, wherein: the maximum rated compression stroke of the spring is smaller than the movement displacement of the piston, and when the fracturing fracture piece of the oil outlet produces oil, the movement displacement of the piston is the same as the maximum rated compression stroke of the spring.
6. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 5, wherein: the cylinder body bottom is provided with the jar base, be provided with the holding tank on the inner wall that jar base is close to oil storage chamber one side, be provided with loop configuration's spacing tooth on the holding tank cell wall, the piston rod passes the piston cover and is equipped with the tooth that moves back of preventing with spacing tooth adaptation.
7. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 1, wherein: the top plate upper surface sets up to the protruding structure of circle, be provided with the recess with the protruding structure adaptation of roof circle on the upper bracket board.
8. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 1, wherein: the shock absorbers are arranged into 2 pairs and symmetrically arranged along the center line of the side wall of the core body of the isolation bearing.
9. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 1, wherein: and the lower support plate is provided with a fixing groove for accommodating the bottom of the cylinder body.
10. The tension-compression anti-falling bridge seismic isolation bearing as claimed in claim 1, wherein: the lateral wall all around that the isolation bearing core is close to roof beam body lateral part all extends outward has 1 to the extension, the extension sets up along isolation bearing core central line symmetry, the vertical mounting groove that is provided with of extension, the bumper shock absorber is fixed in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110071768.8A CN112942080A (en) | 2021-01-19 | 2021-01-19 | Tension-compression anti-falling bridge seismic mitigation and isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110071768.8A CN112942080A (en) | 2021-01-19 | 2021-01-19 | Tension-compression anti-falling bridge seismic mitigation and isolation support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112942080A true CN112942080A (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110071768.8A Withdrawn CN112942080A (en) | 2021-01-19 | 2021-01-19 | Tension-compression anti-falling bridge seismic mitigation and isolation support |
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| CN (1) | CN112942080A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529560A (en) * | 2021-07-07 | 2021-10-22 | 张有春 | Long-span bridge vibration monitoring device and monitoring method thereof |
| CN114134798A (en) * | 2021-12-09 | 2022-03-04 | 福州大学 | Self-resetting, anti-overturning and efficient shock absorption system for viaduct and construction method thereof |
-
2021
- 2021-01-19 CN CN202110071768.8A patent/CN112942080A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529560A (en) * | 2021-07-07 | 2021-10-22 | 张有春 | Long-span bridge vibration monitoring device and monitoring method thereof |
| CN114134798A (en) * | 2021-12-09 | 2022-03-04 | 福州大学 | Self-resetting, anti-overturning and efficient shock absorption system for viaduct and construction method thereof |
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Application publication date: 20210611 |
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