CN220888745U - High damping shock-absorbing and isolating structure of underground structure - Google Patents
High damping shock-absorbing and isolating structure of underground structure Download PDFInfo
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- CN220888745U CN220888745U CN202322281123.4U CN202322281123U CN220888745U CN 220888745 U CN220888745 U CN 220888745U CN 202322281123 U CN202322281123 U CN 202322281123U CN 220888745 U CN220888745 U CN 220888745U
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- underground structure
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- 238000013016 damping Methods 0.000 title claims abstract description 40
- 238000002955 isolation Methods 0.000 claims abstract description 17
- 239000006260 foam Substances 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 14
- 239000011435 rock Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000005728 strengthening Methods 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011414 polymer cement Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The application relates to a high-damping shock-absorbing and isolating structure of an underground structure, which belongs to the technical field of shock-absorbing and isolating structures of underground structures and comprises an underground structure, wherein a reinforced elastic piece is fixedly connected to the outer side of the underground structure, a lining is fixedly connected to the outer side of the reinforced elastic piece, a damping spring is fixedly connected to the outer side of the underground structure, the other end of the damping spring is fixedly connected with the reinforced elastic piece, and a shock-isolating layer is fixedly connected to the outer side of the lining. According to the high-damping vibration reduction and isolation structure of the underground structure, the vibration isolation layer is made of flexible rigid foam polyurethane materials, so that energy brought by an earthquake can be absorbed, the damage of a lining can be reduced, and the cooperation between the elastic piece and the damping spring is reinforced, so that a part of earthquake wave energy is consumed, the underground structure is subjected to two-layer protection, and the damping effect of the underground structure is enhanced; through the outer waterproof layer and the inner waterproof layer, water can be prevented from entering between the lining and the underground structure.
Description
Technical Field
The application relates to the technical field of seismic isolation structures of underground structures, in particular to a high-damping seismic isolation structure of an underground structure.
Background
Development of underground space and continuous expansion of construction scale of underground structure in China, frequent major earthquakes in recent years worldwide cause different degrees of damage to the structure of the underground structure, and repair work of the underground structure is very difficult due to the specificity of the underground structure.
The traditional underground structure design method is realized by adopting the reinforcement and reinforcement of the thickened lining section and the full section, and the earthquake resistance of the structure is enhanced by the methods of enlarging the sectional size of the component, reinforcing the reinforcement, improving the structural rigidity and the like, but the methods are aimed at the structure, so that the underground structure has weaker damping effect, if the aim of improving the earthquake resistance is achieved, the aim of not damaging under the action of common intensity earthquake is fulfilled, the construction cost is improved very high, the economy is poor, and the high damping earthquake reduction and isolation structure of the underground structure is provided to enhance the earthquake resistance effect of the underground structure.
Disclosure of utility model
Aiming at the defects of the prior art, the application provides a high damping vibration reduction and isolation structure of an underground structure, which has the advantages of enhancing the vibration reduction effect of the underground structure and the like, and solves the problems that the vibration reduction effect of the underground structure is weaker by adopting a method of thickening a lining section and full section reinforcement and strengthening, and by increasing the sectional size of a component, the reinforcement, the structural rigidity and the like, the vibration resistance of the structure is enhanced.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a high damping of underground structure subtracts shock insulation structure, includes underground structure, the outside fixedly connected with of underground structure strengthens the elastic component, the outside fixedly connected with lining of strengthening the elastic component, the outside fixedly connected with damping spring of underground structure, damping spring's the other end and the outside fixedly connected with of strengthening the elastic component, the outside fixedly connected with shock insulation layer of lining, the outside fixedly connected with rock stratum of shock insulation layer.
Through adopting above-mentioned technical scheme, through strengthening the cooperation between elastic component and the shock insulation layer, can carry out the shock attenuation to its underground structure.
Further, the cross section of the underground structure is annular.
By adopting the technical scheme, the underground structure is annular, so that the stress of the underground structure is uniform.
Further, the schematic diagram of the reinforced elastic pieces is arc-shaped, the number of the reinforced elastic pieces is a plurality of, and the reinforced elastic pieces are distributed in a circular ring shape by taking the center of a circle of the underground structure as a center point.
By adopting the technical scheme, the reinforced elastic piece can protect the underground structure.
Further, the outer wall of the lining is fixedly connected with an outer waterproof layer, and the inner wall of the lining is fixedly connected with an inner waterproof layer.
By adopting the technical scheme, the outer waterproof layer and the inner waterproof layer can play a waterproof role.
Further, the number of the damping springs is the same as that of the reinforced elastic pieces, and the damping springs are fixedly installed at the central positions of the reinforced elastic pieces.
Through adopting above-mentioned technical scheme, damping spring installs the central point put at the enhancement elastic component, can make its shock attenuation effect of strengthening the elastic component strengthen.
Further, the shock insulation layer is hard foam polyurethane.
Through adopting above-mentioned technical scheme, the setting of shock insulation layer can protect its underground structure.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
According to the high-damping vibration reduction and isolation structure of the underground structure, the vibration isolation layer is made of flexible rigid foam polyurethane materials, so that energy brought by an earthquake can be absorbed, the damage of a lining can be reduced, and the cooperation between the elastic piece and the damping spring is reinforced, so that a part of earthquake wave energy is consumed, the underground structure is subjected to two-layer protection, and the damping effect of the underground structure is enhanced; through the outer waterproof layer and the inner waterproof layer, water can be prevented from entering between the lining and the underground structure.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present application;
fig. 2 is a schematic cross-sectional view of the structure of the present application.
In the figure: 1. an underground structure; 2. reinforcing the elastic member; 3. lining; 301. an outer waterproof layer; 302. an inner waterproof layer; 4. a damping spring; 5. a shock insulation layer; 6. a rock layer.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all 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.
Referring to fig. 1-2, the high damping vibration reduction and isolation structure of an underground structure in this embodiment includes an underground structure 1, wherein the cross section of the underground structure 1 is circular, the stress of the circular structure is uniform, the bearing effect is good, in ideal case, if the loads applied in all directions are the same, the resultant forces on both sides can be offset each other at each position of the circular structure, meanwhile, the friction resistance can be greatly reduced, the outside of the underground structure 1 is fixedly connected with reinforcing elastic pieces 2, the schematic diagram of the reinforcing elastic pieces 2 is circular arc, the number of the reinforcing elastic pieces 2 is a plurality, and the circular distribution is realized by taking the center of the circle of the underground structure 1 as the center point.
The outside fixedly connected with lining 3 of strengthening elastic component 2, lining 3 is the ring shape equally, the outer wall fixedly connected with outer waterproof layer 301 of lining 3, the inner wall fixedly connected with inner waterproof layer 302 of lining 3, outer waterproof layer 301 and inner waterproof layer 302 all adopt polymer cement base waterproof material to make, can effectively solve waterproof construction and arouse the infiltration problem that the fracture leads to by the factor of quality of water pH valve, erosion, plant root system and microorganism to in time fill the crack, improve the water-proof effects.
The outside fixedly connected with damping spring 4 of underground structure 1, damping spring 4's quantity is the same with the quantity of strengthening elastic component 2, and damping spring 4 fixed mounting is in the central point of strengthening elastic component 2, damping spring 4's the other end and strengthen elastic component 2 fixed connection, cooperation between damping spring 4 and the strengthening elastic component 2, can consume a part of earthquake wave energy, carry out the two-layer protection to its underground structure 1, the outside fixedly connected with shock insulation layer 5 of lining 3, shock insulation layer 5 is the rigid foam polyurethane, shock insulation layer 5 adopts flexible rigid foam polyurethane material, can absorb the energy that the earthquake brought, have and block that the moisture flows, coefficient of heat conductivity is low, realize the heat preservation function, thereby carry out first layer protection to its underground structure 1, the outside fixedly connected with rock layer 6 of shock insulation layer 5.
In this embodiment, the cooperation between the elastic member 2 and the shock insulation layer 5 is reinforced, so that the underground structure 1 can be protected, and the shock absorption effect of the underground structure is improved.
The working principle of the embodiment is as follows:
the vibration isolation layer 5 is made of flexible hard foam polyurethane material, so that energy brought by an earthquake can be absorbed, damage to the lining 3 can be reduced, and a part of earthquake wave energy is consumed by strengthening the cooperation between the elastic piece 2 and the damping spring 4, so that the underground structure 1 is subjected to two-layer protection, and the damping effect of the underground structure 1 is enhanced; by providing the outer waterproof layer 301 and the inner waterproof layer 302, water can be prevented from entering between the lining 3 and the underground structure 1.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high damping of underground structure subtracts shock insulation structure, includes underground structure (1), its characterized in that: the underground structure is characterized in that an elastic piece (2) is fixedly connected to the outer side of the underground structure (1), a lining (3) is fixedly connected to the outer side of the elastic piece (2), a damping spring (4) is fixedly connected to the outer side of the underground structure (1), the other end of the damping spring (4) is fixedly connected with the elastic piece (2), a vibration isolation layer (5) is fixedly connected to the outer side of the lining (3), and a rock layer (6) is fixedly connected to the outer side of the vibration isolation layer (5).
2. The underground structure high damping vibration attenuation and isolation structure according to claim 1, wherein: the section of the underground structure (1) is annular.
3. The underground structure high damping vibration attenuation and isolation structure according to claim 1, wherein: the schematic diagram of the reinforced elastic pieces (2) is arc-shaped, the number of the reinforced elastic pieces (2) is a plurality of, and the reinforced elastic pieces are distributed in a circular ring shape by taking the center of a circle of the underground structure (1) as a center point.
4. The underground structure high damping vibration attenuation and isolation structure according to claim 1, wherein: the outer wall of the lining (3) is fixedly connected with an outer waterproof layer (301), and the inner wall of the lining (3) is fixedly connected with an inner waterproof layer (302).
5. The underground structure high damping vibration attenuation and isolation structure according to claim 1, wherein: the number of the damping springs (4) is the same as that of the reinforced elastic pieces (2), and the damping springs (4) are fixedly arranged at the center of the reinforced elastic pieces (2).
6. The underground structure high damping vibration attenuation and isolation structure according to claim 1, wherein: the shock insulation layer (5) is made of hard foam polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281123.4U CN220888745U (en) | 2023-08-24 | 2023-08-24 | High damping shock-absorbing and isolating structure of underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281123.4U CN220888745U (en) | 2023-08-24 | 2023-08-24 | High damping shock-absorbing and isolating structure of underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220888745U true CN220888745U (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322281123.4U Active CN220888745U (en) | 2023-08-24 | 2023-08-24 | High damping shock-absorbing and isolating structure of underground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220888745U (en) |
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2023
- 2023-08-24 CN CN202322281123.4U patent/CN220888745U/en active Active
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