CN111962569B - Lower shock isolation support for tunnel shock isolation - Google Patents
Lower shock isolation support for tunnel shock isolation Download PDFInfo
- Publication number
- CN111962569B CN111962569B CN202010954865.7A CN202010954865A CN111962569B CN 111962569 B CN111962569 B CN 111962569B CN 202010954865 A CN202010954865 A CN 202010954865A CN 111962569 B CN111962569 B CN 111962569B
- Authority
- CN
- China
- Prior art keywords
- support
- tunnel
- shock insulation
- plate
- vertical sliding
- 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
- 230000035939 shock Effects 0.000 title claims abstract description 41
- 238000002955 isolation Methods 0.000 title claims description 25
- 238000009413 insulation Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000013016 damping Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/40—Miscellaneous comprising stabilising elements
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of underground tunnel engineering, in particular to a lower shock insulation support for tunnel shock insulation, which comprises two groups of support supports arranged in opposite directions and a support connecting piece for connecting the two groups of support supports, wherein each support comprises a slide rail system, a vertical sliding system and a shock insulation rubber support which are sequentially connected, each slide rail system comprises a top arc plate and a track system which are attached to a tunnel, and as the tunnel is a circular section, when vertical load is independently transmitted downwards through the slide rail system under the non-earthquake condition, an oblique force can be generated to enable the shock insulation rubber support at the bottom to horizontally deflect, and the support connecting piece is used for connecting the support supports at the left side and the right side together in a pulling manner, so that the whole support has better stability and larger bearing capacity; through setting up vertical sliding system, when suffering vertical earthquake, the tunnel can take place the micro-motion of relatively fixed ground in vertical direction, alleviates the influence of vertical earthquake to the tunnel.
Description
Technical Field
The invention relates to the technical field of underground tunnel engineering, in particular to a lower shock-isolating support which has strong bearing capacity and is used for isolating shock of a tunnel.
Background
The laminated rubber shock insulation technology has an important effect on reducing the damage of an earthquake to a building structure and a bridge structure, has good horizontal deformation capacity and energy consumption characteristics, and also has good compressive rigidity, so that the laminated rubber shock insulation technology can be applied to a building shock insulation layer and a bridge shock insulation layer to effectively reduce the damage of the earthquake to the building and the bridge. For underground tunnel engineering structures such as underground circular tunnels, circular pipelines and the like, on one hand, the vertical load is large, on the other hand, the shapes are irregular relative to the seismic isolation projects of buildings or bridges, the whole cross section is generally circular, so that the vertical force transmission is irregular, and when the seismic isolation technology is adopted in the underground engineering projects, the seismic isolation support is required to have large bearing capacity, high stability, adaptability (adapting to the irregular shapes) and good seismic isolation effect. In order to satisfy the underground tunnel engineering shock insulation structures such as underground circular tunnels and circular pipelines, a novel shock insulation support which simultaneously satisfies the conditions of large bearing capacity, small horizontal rigidity and good stability under the action of common loads and can adapt to the structural characteristics of circular sections is needed.
Disclosure of Invention
The invention aims to provide a lower shock insulation support for tunnel shock insulation, which can bear larger vertical load under the action of common load, has larger stability, can adapt to the shape of a circular track, and can effectively play a role in reducing the earthquake load on the tunnel during horizontal earthquake.
The invention realizes the purpose by the following technical scheme:
the utility model provides a lower part isolation bearing for tunnel shock insulation, includes two sets of support supports of support connecting piece and setting in opposite directions, support the support and include isolation rubber support, set up vertical sliding system on isolation rubber support, set up the slide rail system on vertical sliding system, the slide rail system is including laminating the tunnel and with tunnel connection's top arc and with the unanimous track system of the curved surface of top arc, the both ends of support connecting piece are connected with the side of the vertical sliding system of both sides respectively.
Further, the slide rail system further comprises a bottom arc plate, the bottom arc plate is parallel to the top arc plate, and the top of the vertical sliding system is provided with a curved surface matched with the bottom arc plate in structure.
Further, the support still includes interim fixed system, the one end of interim fixed system is connected with vertical sliding system's side, and the other end is provided with the arc connecting plate in laminating tunnel.
Further, the temporary fixing system comprises a bottom plate connected with the side face of the vertical sliding system and a connecting rod for connecting the bottom plate and the arc-shaped connecting plate.
Further, the connecting rod is designed into a wedge-shaped structure.
Furthermore, the vertical sliding system comprises an outer sleeve mechanism and an inner sleeve mechanism which are nested with each other and can move vertically relatively, the top of the outer sleeve mechanism is connected with the bottom of the sliding rail system, the support connecting piece is connected with the side face of the outer sleeve mechanism, and the shock insulation rubber support is arranged at the bottom of the inner sleeve mechanism.
Further, the outer sleeve mechanism comprises an outer sleeve and a first lower connecting plate, the inner sleeve mechanism comprises an inner sleeve and a second lower connecting plate, the bottom of the first lower connecting plate is connected with the top of the second lower connecting plate, and the bottom of the second lower connecting plate is connected with the shock insulation rubber support.
Furthermore, the support connecting piece comprises a cross beam and support lugs extending from the end part of the cross beam to two sides, and the support connecting piece is fixedly connected with the vertical sliding system through the support lugs.
Furthermore, the shock insulation rubber support is any one of a natural shock insulation rubber support, a lead core shock insulation rubber support, a high-damping shock insulation rubber support, an elastic annular plate support or a fixed sliding plate support.
Furthermore, the shock insulation rubber support is circular, square or regular polygon.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a lower part shock insulation support for tunnel shock insulation, which comprises two groups of support supports arranged oppositely and a support connecting piece for connecting the two groups of support supports, wherein the support supports comprise slide rail systems attached to a tunnel, when a non-earthquake happens, namely the tunnel runs at ordinary times, the tunnel transfers vertical load to the support supports on the left side and the right side, and finally transfers the vertical load to the fixed ground below.
2. According to the lower shock-insulation support for tunnel shock insulation, the vertical sliding system is arranged, so that when vertical earthquake occurs, the tunnel can be allowed to generate tiny movement relative to the fixed ground in the vertical direction, and the influence of the vertical earthquake on the tunnel is reduced.
3. According to the lower shock-insulation support for the tunnel shock insulation, the temporary fixing system attached to the bottom of the tunnel is arranged on the support, so that on one hand, the safety of the tunnel in normal operation can be guaranteed, and on the other hand, the temporary fixing system is provided with the weakening section, so that the weakening section can be damaged as expected when the tunnel is subjected to a large earthquake, the tunnel can roll freely, and the influence of the earthquake is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a lower seismic isolation bearing for tunnel seismic isolation according to the present invention.
Fig. 2 is a schematic structural view of the slide rail system of the present invention.
Fig. 3 is a schematic structural view of the temporary fixing system of the present invention.
Fig. 4 is a schematic structural view of the stand connecting member of the present invention.
Fig. 5 is a schematic structural view of an outer sleeve mechanism in the present invention.
FIG. 6 is a schematic structural diagram of an inner barrel mechanism according to the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1.
As shown in fig. 1-6, the present embodiment provides a lower seismic isolation support for tunnel seismic isolation, which includes a support connector 5 and two sets of support supports arranged in opposite directions, where the support supports include a seismic isolation rubber support 10(11), a vertical sliding system 14(15) arranged on the seismic isolation rubber support 10(11), and a sliding rail system 1(2) arranged on the vertical sliding system, where the sliding rail system 1(2) includes a top arc plate 11(21) attached to and connected to a tunnel, and a rail system 12(22) consistent with the curved surface of the top arc plate 11(21), and two ends of the support connector 5 are respectively connected to the side surfaces of the vertical sliding systems 14(15) on two sides.
The invention relates to a lower shock-insulation support for tunnel shock insulation, a slide rail system 1(2) is directly connected with a tunnel, a shock-insulation rubber support 10(11) is connected with a fixed ground, when the tunnel is not in earthquake, namely in the process of ordinary operation of the tunnel, the tunnel sequentially transmits vertical load to the slide rail systems 1(2) at the left side and the right side, a vertical sliding system 14(15), the shock-insulation rubber support 10(11) and finally transmits the vertical load to the fixed ground below, because the tunnel has a circular section, when the vertical load is independently transmitted downwards through the slide rail systems 1(2) at the left side and the right side, an oblique force is generated, the shock-insulation rubber support 10(11) at the bottom is subjected to constant horizontal deviation, and a support connecting piece 5 can pull the shock-insulation rubber supports 10(11) at the left side and the right side together, so that the whole support has better stability and larger bearing capacity, and meanwhile, through the arrangement of the vertical sliding system 14(15), when vertical earthquake occurs, the tunnel can be allowed to move slightly relative to the fixed ground in the vertical direction, and the influence of the vertical earthquake on the tunnel is reduced.
The sliding rail system 1(2) further comprises a bottom arc-shaped plate 13(23), the bottom arc-shaped plate 13(23) is parallel to the top arc-shaped plate 11(21), and the top of the vertical sliding system 14(15) is provided with a curved surface matched with the structure of the bottom arc-shaped plate 13(23), so that the structure is simple and convenient to mount.
The supporting supports further comprise a temporary fixing system 3(4), one end of the temporary fixing system 3(4) is connected with the side face of the vertical sliding system 14(15), the other end of the temporary fixing system is provided with an arc-shaped connecting plate 31(41) which is attached to the tunnel and connected with the bottom of the tunnel, and in the ordinary operation process of the tunnel, the temporary fixing system 3(4) fixes the supporting supports on the left side and the right side with the bottom of the tunnel, so that the safety of the tunnel in the ordinary operation process is guaranteed.
The temporary fixing system 3(4) comprises a bottom plate 32(42) connected with the side surface of the vertical sliding system 14(15), a connecting rod 33(43) connected with the bottom plate 32(42) and the arc-shaped connecting plate 31(41), the connecting rod 33(43) is designed into a wedge-shaped structure, when the earthquake energy reaches a certain degree, the connecting rod 33(43) in the temporary fixing system 3(4) is broken at the weak section of the wedge-shaped structure, the annular constraint between the tunnel and the temporary fixing system 3(4) is released, and the earthquake load energy of the tunnel is further reduced.
Wherein the vertical sliding system 14(15) comprises an outer sleeve mechanism 6(7) and an inner sleeve mechanism 8(9) which are nested with each other and can move vertically relatively, the outer sleeve mechanism 6(7) comprises an outer sleeve 61(71) and a first lower connecting plate 62(72), the inner sleeve mechanism 8(9) comprises an inner sleeve 81(91) and a second lower connecting plate 82(92), the top of the outer sleeve 61(71) is connected with a bottom arc plate 13(23), two ends of the support connecting piece 5 are respectively connected with the side surfaces of the outer sleeve 61(71), the bottom of the first lower connecting plate 62(72) is connected with the top of the second lower connecting plate 82(92), the bottom of the second lower connecting plate 82(92) is connected with a vibration isolation rubber support 10(11), and when a vertical earthquake occurs, the tunnel can be allowed to generate a micro-motion relative to the fixed ground in the vertical direction, and the influence of vertical earthquake on the tunnel is reduced.
The support connector 5 comprises a cross beam 51 and support lugs 52 extending from the ends of the cross beam 51 to two sides, and the support connector 5 is fixedly connected with the outer sleeve 61(62) through the support lugs 52.
The shock insulation rubber support 10(11) is any one of a natural shock insulation rubber support, a lead core shock insulation rubber support, a high-damping shock insulation rubber support, an elastic annular plate support or a fixed sliding plate support, and the shape of the shock insulation rubber support can be circular, square or regular polygon.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (3)
1. A lower portion shock insulation support used for tunnel shock insulation is characterized by comprising support connectors and two sets of support connectors arranged in opposite directions, wherein each support connector comprises a shock insulation rubber support, a vertical sliding system arranged on the shock insulation rubber support, and a sliding rail system arranged on the vertical sliding system, the sliding rail system comprises a top arc plate attached to a tunnel and connected with the tunnel and a rail system consistent with the curved surface of the top arc plate, two ends of each support connector are respectively connected with the side surfaces of the vertical sliding systems on two sides, the sliding rail system further comprises a bottom arc plate, the bottom arc plate is parallel to the top arc plate, the top of the vertical sliding system is provided with a curved surface matched with the bottom arc plate in structure, each support connector further comprises a temporary fixing system, one end of each temporary fixing system is connected with the side surface of the vertical sliding system, the other end is provided with an arc-shaped connecting plate attached to the tunnel, the temporary fixing system comprises a bottom plate connected with the side face of the vertical sliding system and a connecting rod for connecting the bottom plate and the arc-shaped connecting plate, the connecting rod is designed to be of a wedge-shaped structure, the vertical sliding system comprises an outer sleeve mechanism and an inner sleeve mechanism which are nested with each other and can move vertically relatively, the top of the outer sleeve mechanism is connected with the bottom of the sliding rail system, the support connecting piece is connected with the side face of the outer sleeve mechanism, the shock insulation rubber support is arranged at the bottom of the inner sleeve mechanism, the outer sleeve mechanism comprises an outer sleeve and a first lower connecting plate, the inner sleeve mechanism comprises an inner sleeve and a second lower connecting plate, the bottom of the first lower connecting plate is connected with the top of the second lower connecting plate, the bottom of the second lower connecting plate is connected with the shock insulation rubber support, the support connecting piece comprises a cross beam and support lugs extending from the end part of the cross beam to two sides, the support connecting piece is fixedly connected with the vertical sliding system through a support lug.
2. A lower seismic isolation bearing for a tunnel according to claim 1, wherein the seismic isolation rubber bearing is any one of a natural seismic isolation rubber bearing, a lead core seismic isolation rubber bearing, a high damping seismic isolation rubber bearing, an elastic annular plate bearing or a fixed sliding plate bearing.
3. A lower seismic isolation mount for a tunnel according to claim 2, wherein said seismic isolation rubber mount is circular, square or regular polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954865.7A CN111962569B (en) | 2020-09-11 | 2020-09-11 | Lower shock isolation support for tunnel shock isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954865.7A CN111962569B (en) | 2020-09-11 | 2020-09-11 | Lower shock isolation support for tunnel shock isolation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111962569A CN111962569A (en) | 2020-11-20 |
| CN111962569B true CN111962569B (en) | 2022-03-22 |
Family
ID=73393050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010954865.7A Active CN111962569B (en) | 2020-09-11 | 2020-09-11 | Lower shock isolation support for tunnel shock isolation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111962569B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033037A (en) * | 2021-12-02 | 2022-02-11 | 山西五建集团有限公司 | Construction method of large-span structure capable of automatically releasing restraint counter force along with load change |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2633020A1 (en) * | 1976-07-22 | 1978-01-26 | Bochumer Eisen Heintzmann | Tunnel lining system using channels and sheets - employs pistons to lift curved channels to form arches with sheets inserted behind |
| CN208764462U (en) * | 2018-06-21 | 2019-04-19 | 王网军 | A kind of construction of hydro project pipeline fixing device |
| CN110344502A (en) * | 2019-07-15 | 2019-10-18 | 广州大学 | A kind of anti-buckling low frequency vibration isolation rubber support |
| CN110644641A (en) * | 2019-10-09 | 2020-01-03 | 广州大学 | Combined shock insulation rubber support with super large deformation capacity |
| CN210878211U (en) * | 2019-11-11 | 2020-06-30 | 济宁耀坤机械有限公司 | Middle gas storage device of horizontal welding machine |
-
2020
- 2020-09-11 CN CN202010954865.7A patent/CN111962569B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2633020A1 (en) * | 1976-07-22 | 1978-01-26 | Bochumer Eisen Heintzmann | Tunnel lining system using channels and sheets - employs pistons to lift curved channels to form arches with sheets inserted behind |
| CN208764462U (en) * | 2018-06-21 | 2019-04-19 | 王网军 | A kind of construction of hydro project pipeline fixing device |
| CN110344502A (en) * | 2019-07-15 | 2019-10-18 | 广州大学 | A kind of anti-buckling low frequency vibration isolation rubber support |
| CN110644641A (en) * | 2019-10-09 | 2020-01-03 | 广州大学 | Combined shock insulation rubber support with super large deformation capacity |
| CN210878211U (en) * | 2019-11-11 | 2020-06-30 | 济宁耀坤机械有限公司 | Middle gas storage device of horizontal welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111962569A (en) | 2020-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102839751B (en) | Three-dimensional shock-isolated bearing and preparation method for same | |
| CN107401313B (en) | Three-dimensional shock-insulation anti-deformation device and construction method | |
| CN204401794U (en) | Anti-overturn shock insulation rubber support | |
| CN109555009B (en) | Support and beam body shock absorption and insulation structure system and application thereof | |
| CN103938748B (en) | A kind of yi word pattern energy consumption inner core curvature-prevention support component with two yield point | |
| CN111962569B (en) | Lower shock isolation support for tunnel shock isolation | |
| CN102677774B (en) | Double guidance type tensile anti-overturn shock-insulation rubber boot | |
| CN205134179U (en) | Curved surface hinge sliding friction - roller bearing rolling friction combination isolation bearing | |
| CN107165041B (en) | Shock-absorbing and isolating steel support | |
| CN107447644B (en) | Seismic isolation and reduction system for large-span bridge | |
| CN203603042U (en) | Function separation type large-span continuous beam isolation bearing | |
| CN102587529A (en) | Vibration isolation device for seismic resistance of building | |
| CN203247501U (en) | Energy dissipation seismic mitigation and absorption pot bearing | |
| CN105297954A (en) | Steel frame building wall with damping joints and construction method thereof | |
| CN202595905U (en) | Double-guide type tensile overturn-preventing vibration-isolating rubber bearing | |
| CN205000238U (en) | Benzvalene form sliding friction - roller bearing rolling friction makes up isolation bearing | |
| CN209779436U (en) | Bridge subtracts isolation bearing | |
| CN112128616A (en) | Shock insulation support suitable for LNG storage tank and installation method thereof | |
| CN108678481B (en) | Anti-seismic steel structure residential building | |
| CN104196144A (en) | Separating sliding anti-tension device for isolation bearing | |
| CN105484153A (en) | Seismic mitigation and isolation bearing adopting tension-compression energy dissipation characteristic of high-damping rubber and easy to repair and preparation method of seismic mitigation and isolation bearing | |
| CN208395650U (en) | A kind of shock-absorbing bridge support structure | |
| CN216143365U (en) | Pre-buried groove antidetonation connecting elements with buffer structure | |
| CN219342829U (en) | Assembled disc spring energy consumption self-resetting shock-reducing and isolating support | |
| CN205917590U (en) | Large -scale aseismatic bearing for bridge |
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 |