CN216475184U - Inside antiknock buttress structure of utility tunnel - Google Patents
Inside antiknock buttress structure of utility tunnel Download PDFInfo
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- CN216475184U CN216475184U CN202122692909.6U CN202122692909U CN216475184U CN 216475184 U CN216475184 U CN 216475184U CN 202122692909 U CN202122692909 U CN 202122692909U CN 216475184 U CN216475184 U CN 216475184U
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Abstract
The utility model discloses an anti-explosion buttress structure in a comprehensive pipe gallery, which comprises a buttress main body embedded in concrete at the bottom of a buttress, wherein the buttress main body is fixedly connected with an outer facing; the top of the buttress body is provided with a first arc groove, and the top of the outer facing is provided with a second arc groove; the first arc groove and the second arc groove form a semicircular groove, a gas pipeline is arranged in the semicircular groove, and a buffer pad and an explosion-proof pressure relief plate are arranged between the gas pipeline and the first arc groove; one side of the buttress main body, which is far away from the first arc groove, is sequentially provided with an inner anti-explosion pressure relief plate, an anti-explosion pressure relief keel and an outer anti-explosion pressure relief plate. The lower half part of the gas pipeline is arranged in the semicircular groove of the buttress main body, the gravity center of the gas pipeline is positioned in the buttress main body, and the gas pipeline is still positioned in the buttress main body after being damaged by explosion impact, so that the gas pipeline is prevented from losing lower supporting force, and the gas pipeline is prevented from being damaged to generate secondary leakage of gas.
Description
Technical Field
The utility model belongs to the technical field of underground buildings, and particularly relates to an anti-explosion buttress structure in a comprehensive pipe gallery.
Background
The utility tunnel is a public tunnel which is used for laying municipal pipelines such as electric power, communication, radio and television, water supply, drainage, heating power, fuel gas and the like in a centralized manner under the city, so that the underground pipelines are convenient to plan in a unified manner, build in a unified manner and manage in a unified manner, and the comprehensive utilization of underground space is realized.
The utility tunnel is usually set to a typical three-cabin pipe gallery structure, wherein one cabin is often a gas cabin and continuously transmits gas energy for the city and surrounding town gas systems. However, the utility tunnel gas cabin brings convenience to city and town gas systems around and has huge potential safety hazard, once gas leakage occurs to generate gas explosion, or terrorists maliciously lead to explosion of gas pipelines in the gas cabin, the result caused by the gas pipeline is a disaster which can not be predicted.
At present, the pipeline buttress of the comprehensive pipe gallery generally adopts a cast-in-place concrete structure, and has the advantages of simple arrangement, lower manufacturing cost and better bearing capacity. However, the anti-explosion performance of the concrete pipeline support pier is not considered, once gas leakage occurs to generate gas explosion, or terrorists maliciously lead to explosion of the gas pipeline in the gas cabin, the concrete pipeline support pier is damaged by the gas explosion impact, and the concrete of the support pier can be broken and splashed to damage the surroundings. Simultaneously, the destruction of buttress structure causes the gas pipeline below holding power to disappear and can cause the influence to gas pipeline connection, and then produces the gas once more and reveals the emergence secondary explosion injury.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an anti-explosion buttress structure in a comprehensive pipe gallery, and solves the problem that the anti-explosion performance of the pipeline buttress of the conventional comprehensive pipe gallery is poor.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides an anti-explosion buttress structure in a comprehensive pipe gallery, which comprises a buttress main body embedded in concrete at the bottom of the buttress, wherein the buttress main body is fixedly connected with an outer facing; the top of the buttress body is provided with a first arc groove, and the top of the outer facing is provided with a second arc groove;
the first arc groove and the second arc groove form a semicircular groove, a gas pipeline is arranged in the semicircular groove, and a buffer pad and an explosion-proof pressure relief plate are arranged between the gas pipeline and the first arc groove;
one side of the buttress main body, which is far away from the first arc groove, is sequentially provided with an inner anti-explosion pressure relief plate, an anti-explosion pressure relief keel and an outer anti-explosion pressure relief plate.
The lower half part of the gas pipeline is arranged in the semicircular groove of the buttress main body, the gravity center of the gas pipeline is positioned in the buttress main body, the upper half part of the gas pipeline is connected with the automatic hook component, and the gas pipeline is still positioned in the buttress main body after being damaged by explosion impact, so that the gas pipeline is prevented from losing lower supporting force, and the secondary leakage of gas caused by the damage of the connection between the gas pipeline and the buttress main body is prevented.
The cushion that sets up has elasticity, can effectively laminate the shape of gas pipeline, evenly share the pressure of gas pipeline, avoids the gas pipeline too to concentrate the pressure of buttress main part.
Further, all the embedding has a plurality of HRB400 level reinforcing bars in buttress main part and the exterior trim, and the steel sheet base is installed to buttress main part bottom, has seted up a plurality of through-hole on the steel sheet base, and the through-hole and first nut fixed connection on buttress main part and the steel sheet base are worn out to the bottom that is located HRB400 level reinforcing bar in the buttress main part.
When the accident happens, the HRB 400-grade steel bars arranged in the buttress main body and the outer decorative surface can increase the stability, the buttress main body and the outer decorative surface are prevented from being damaged due to the impact of the explosion, and the HRB 400-grade steel bars in the buttress main body are fixed in position through the second nuts.
Further, the buttress main part all is provided with automatic couple component with the top of exterior finish, the both ends at gas pipeline top all with the one end fixed connection of automatic couple component, the one end that gas pipeline was kept away from to automatic couple component all is fixed in the top of HRB400 level reinforcing bar through the cooperation of screw and second nut.
When explosion happens, the automatic hook component is used for improving the stability of the gas pipeline, the automatic hook component is firm in connection and simple and convenient to detach, and the automatic hook component is easy to be prefabricated in a factory and can be used in a large scale.
Furthermore, a fixed steel pipe is arranged on the gas pipeline, two ends of the fixed steel pipe are respectively clung to the buttress body and the outer facing, and the fixed steel pipe is semicircular.
When explosion happens, the fixed steel pipe bars are used for protecting the gas pipeline from being damaged by impact during explosion, and the stability of the gas pipeline is improved.
Further, the embedded depth of the buttress main body embedded into the concrete at the bottom of the buttress is larger than 100mm, and the integral stability of the buttress main body is improved.
When explosion happens, the buttress body is embedded into concrete at the bottom of the buttress to a depth of more than 100mm, so that the overall stability of the buttress body is improved.
Furthermore, one side of the cushion pad is tightly attached to the first arc groove, the other side of the cushion pad is tightly attached to the explosion-proof pressure relief plate, and one side of the explosion-proof pressure relief plate is tightly attached to the gas pipeline.
The blotter has elasticity, can effectively laminate the shape of gas pipeline, evenly share the pressure of gas pipeline, avoid the gas pipeline too concentrated to the pressure of buttress main part, the injury to the buttress main part when explosion-proof pressure relief board can effectively prevent the gas explosion.
Furthermore, the buttress main body is made of reinforced concrete, and elastic materials are uniformly filled in the explosion-proof pressure relief keels.
When explosion happens, the reinforced concrete has enough bearing capacity, and the elastic material in the explosion-proof pressure relief keel is used for buffering the impact force generated during explosion.
Furthermore, plastering is sprayed on the buttress bottom concrete at the bottom of the exterior facing and is used for protecting the buttress bottom concrete and beautifying the exterior.
The plastering is used for protecting the concrete at the bottom of the buttress and has attractive appearance.
The utility model discloses an anti-explosion buttress structure in a comprehensive pipe gallery, which has the beneficial effects that:
1. the inner side explosion-proof pressure relief plate, the explosion-proof pressure relief keel and the outer side explosion-proof pressure relief plate which are arranged on the outer side of the buttress main body can protect the buttress main body from being damaged by explosion impact, and can prevent the buttress main body concrete from being damaged by the explosion impact and the fragments from splashing to cause damage to the surroundings.
2. The cushion pad arranged in the utility model has elasticity, can effectively fit the shape of the gas pipeline, evenly distributes the pressure of the gas pipeline, avoids the excessive concentration of the pressure of the gas pipeline on the buttress body, and the explosion-proof pressure relief plate can effectively prevent the buttress body from being damaged by gas explosion.
3. The steel plate base at the bottom of the buttress main body is provided with four prefabricated holes, can be connected with four HRB 400-grade or HRB 500-grade hot rolled steel bars, and can support the stability of the buttress main body, the automatic hook component is firm in connection and simple and convenient to detach, and the automatic hook component is easy to perform in a factory and can be used in a large scale.
4. The foundation at the bottom of the buttress main body is required to be more than 100mm deep into the concrete inside the floor of the comprehensive pipe gallery so as to ensure the overall stability of the anti-explosion buttress after being impacted by explosion, the load effect of gas explosion is far greater than the earthquake load effect to a certain extent, the anti-explosion buttress achieves effective anti-explosion and simultaneously has the effects of shock absorption, shock insulation and shock prevention, and the anti-explosion buttress is suitable for pipelines made of various materials such as steel pipes, spherical ink pipes, concrete pipes, plastic pipes and the like.
Drawings
Fig. 1 is a schematic structural diagram of a main body of an anti-explosion buttress structure in a comprehensive pipe gallery.
Fig. 2 is an overall structure schematic diagram of an anti-explosion buttress structure in a comprehensive pipe gallery.
Wherein, 1, a gas pipeline; 2. fixing a steel pipe; 3. a first arc groove; 4. an exterior finish; 5. plastering; 6. a cushion pad; 7. an explosion-proof pressure relief plate; 8. an automatic hooking member; 9. HRB400 grade steel bar; 10. a screw; 11. a second nut; 12. an inner explosion-proof pressure relief plate; 13. an explosion-proof pressure relief keel; 14. an outer explosion-proof pressure relief plate; 15. a buttress body; 16. a first nut; 17. a steel plate base; 18. concrete at the bottom of the buttress; 19. a second arc groove.
Detailed Description
While the utility model has been described in terms of specific embodiments for the purpose of facilitating understanding by those skilled in the art, it is to be understood that the utility model is not limited in scope to the specific embodiments, and that various changes in form and detail will become apparent to those skilled in the art upon a reading of the following claims and are intended to be covered by the utility model.
According to the first embodiment of the application, referring to fig. 1 and 2, the utility tunnel internal anti-explosion buttress structure of the embodiment comprises:
buttress bottom concrete 18, buttress body 15, exterior facing 4 and gas pipeline 1.
The embedded depth of the buttress body 15 embedded into the buttress bottom concrete 18 is greater than 100mm, and the integral stability of the buttress body 15 is improved.
The buttress main body 15 is made of reinforced concrete, the strength grade of the concrete is not less than C30 and not less than C25, and the buttress main body is tightly connected with the bottom steel plate base 17 through four HRB 400-grade or HRB 500-grade hot rolled steel bars.
The top of buttress main part 15 is provided with first arc groove 3, and outer veneer 4 top is provided with second arc groove 19, and semicircular groove is constituteed with second arc groove 19 to first arc groove 3, installs gas pipeline 1 in the semicircular groove, is provided with blotter 6 and explosion-proof pressure relief board 7 between gas pipeline 1 and the first arc groove 3.
One side of the buttress body 15, which is far away from the first arc groove 3, is sequentially provided with an inner anti-explosion pressure relief plate 12, an anti-explosion pressure relief keel 13 and an outer anti-explosion pressure relief plate 14.
Elastic materials are uniformly filled in the explosion-proof pressure relief keel 13, and the elastic materials are materials used for buffering impact force generated during explosion, such as aerosol, and are not limited herein, so that redundant description is omitted.
The explosion-proof pressure relief plate 7, the inner explosion-proof pressure relief plate 12 and the outer explosion-proof pressure relief plate 14 are used as light wall bodies of pressure relief facilities, and the unit mass is not more than 0.6KN/m2It has the advantages of rapid release, no secondary damage, light weight, good strength, durability, compression resistance, excellent fireproof performance, etc.
All wear to be equipped with a plurality of HRB400 level reinforcing bars 9 in buttress main part 15 and the exterior finish 4, steel sheet base 17 is installed to buttress main part 15 bottom, has seted up a plurality of through-hole on the steel sheet base 17, and the through-hole and the 16 fixed connection of first nut on buttress main part 15 and the steel sheet base 17 are worn out to the bottom that is located HRB400 level reinforcing bar 9 in buttress main part 15.
When an accident occurs, the HRB 400-grade steel bars 9 arranged in the buttress body 15 and the outer facing 4 can increase stability, prevent the buttress body 15 and the outer facing 4 from being damaged due to the impact of the explosion, and the HRB 400-grade steel bars 9 in the buttress body 15 are fixed in position by the first nuts 16.
The steel plate base 17 at the bottom of the buttress body 15 is provided with four prefabricated holes, and can be connected with four HRB 400-grade or HRB 500-grade hot rolled steel bars to support the stability of the buttress body 15.
The top of buttress main part 15 and exterior facing 4 all is provided with automatic couple component 8, the both ends at 1 top of gas pipeline all with the one end fixed connection of automatic couple component 8, the one end that gas pipeline 1 was kept away from to automatic couple component 8 all is fixed in the top of HRB400 level reinforcing bar 9 through the cooperation of screw 10 with second nut 11.
When explosion happens, the automatic hook member 8 is used for improving the stability of the gas pipeline 1, the automatic hook member 8 is firm in connection and simple and convenient to detach, and the automatic hook member 8 is easy to be prefabricated in a factory and can be used in a large scale.
HRB400 grade steel bar 9 is preferably HRB400 grade or HRB500 grade hot rolled steel bar with better ductility, toughness and welding performance, the standard value of the strength of the steel bar has a guarantee rate of not less than 95 percent, and the steel bar can effectively resist the damage of gas explosion.
The gas pipeline 1 is provided with a fixed steel bar 2, the two ends of the fixed steel bar 2 are respectively clung to the buttress body 15 and the outer decorative surface 4, and the fixed steel bar 2 is semicircular.
When exploding, decide tub billet 2 and be used for protecting gas pipeline 1 not receive the destruction of assaulting when exploding, increase gas pipeline 1's stability.
One side of the cushion pad 6 is tightly attached to the first arc groove 3, the other side of the cushion pad is tightly attached to the explosion-proof pressure relief plate 7, and one side of the explosion-proof pressure relief plate 7 is tightly attached to the gas pipeline 1.
The blotter 6 has elasticity, can effectively laminate gas pipeline 1's shape, evenly share gas pipeline 1's pressure, avoid gas pipeline 1 too concentrated to buttress main part 15's pressure, the injury to buttress main part 15 when explosion-proof pressure relief board 7 can effectively prevent the gas explosion.
And plastering 5 is sprayed on the buttress bottom concrete 18 at the bottom of the outer facing 4 and is used for protecting the buttress bottom concrete 18 and beautifying the exterior.
The operating principle of the inside antiknock buttress structure of utility tunnel of this embodiment is:
when an accident occurs, the lower half part of the gas pipeline 1 is arranged in the semicircular groove of the buttress body 15, the gravity center of the gas pipeline is arranged in the buttress body 15, after the gas pipeline 1 is damaged by explosion impact, the gas pipeline 1 can still be arranged in the buttress body 15, the secondary leakage of gas caused by the fact that the connection between the buttresses of the gas pipeline 1 is damaged due to the fact that the gas pipeline 1 loses the supporting force below the gas pipeline 1 is avoided, the impact force generated by explosion firstly prevents the buttress body from being damaged by the gas explosion through the explosion-proof pressure relief plate 7, the buffer cushion 6 evenly distributes the pressure on the gas pipeline 1, the pressure of the gas pipeline 1 on the buttress body 15 is avoided from being too concentrated, the stability of the buttress body 15 is increased through the HRB 400-grade steel bar in the buttress body 15, the impact force generated by explosion sequentially passes through the inner explosion-proof pressure relief plate 12, the explosion-proof pressure relief keel 13 and the outer explosion-proof pressure relief plate 14 to protect the buttress body 15 from being damaged by explosion impact, and prevent buttress main part 15 concrete from receiving explosion impact to destroy the fragment and splash and cause the harm to the surrounding thing, realize the protection to utility tunnel pipeline buttress.
The utility model can not only protect the buttress body 15 from being damaged by explosion impact, but also prevent the concrete in the buttress body 15 from being damaged by explosion impact and fragments from splashing to cause damage to surroundings. Meanwhile, the limit of the gas pipeline 1 prevents the gas pipeline 1 from losing the lower supporting force to cause the connection of the gas pipeline 1 to be damaged and secondary leakage of gas is avoided; the utility model has the shock absorption, shock insulation and shock absorption effects while achieving effective antiknock. The load effect of gas explosion is far greater than the earthquake load effect to a certain extent, so that the utility model has shock absorption, shock insulation and shock absorption effects while achieving effective antiknock.
Although specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, the scope of protection of the present invention should not be limited thereto. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the appended claims.
Claims (8)
1. The utility model provides an inside antiknock buttress structure of utility tunnel, its characterized in that: the concrete-filled pier comprises a pier main body (15) embedded into pier bottom concrete (18), wherein the pier main body (15) is fixedly connected with an outer facing (4); a first arc groove (3) is formed in the top of the buttress body (15), and a second arc groove (19) is formed in the top of the outer facing (4);
the first arc groove (3) and the second arc groove (19) form a semicircular groove, a gas pipeline (1) is arranged in the semicircular groove, and a buffer pad (6) and an anti-explosion pressure relief plate (7) are arranged between the gas pipeline (1) and the first arc groove (3);
one side of the buttress main body (15) far away from the first arc groove (3) is sequentially provided with an inner side anti-explosion pressure relief plate (12), an anti-explosion pressure relief keel (13) and an outer side anti-explosion pressure relief plate (14).
2. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: all be embedded into in buttress main part (15) and exterior finish (4) a plurality of HRB400 level reinforcing bar (9), steel sheet base (17) are installed to buttress main part (15) bottom, a plurality of through-hole has been seted up on steel sheet base (17), is located the through-hole and first nut (16) fixed connection on buttress main part (15) and steel sheet base (17) are worn out to the bottom of HRB400 level reinforcing bar (9) in buttress main part (15).
3. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: the top of buttress main part (15) and exterior finish (4) all is provided with automatic couple component (8), the both ends at gas pipeline (1) top all with the one end fixed connection of automatic couple component (8), automatic couple component (8) are kept away from the one end of gas pipeline (1) all is fixed in the top of HRB400 level reinforcing bar (9) through the cooperation of screw (10) and second nut (11).
4. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: the gas pipeline is characterized in that a fixed pipe steel bar (2) is installed on the gas pipeline (1), two ends of the fixed pipe steel bar (2) are arranged in a clinging mode with the buttress main body (15) and the outer facing (4) respectively, and the fixed pipe steel bar (2) is semicircular.
5. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: the embedded depth of the buttress main body (15) embedded into the buttress bottom concrete (18) is larger than 100mm, and the integral stability of the buttress main body (15) is improved.
6. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: one side of the cushion pad (6) is tightly attached to the first arc groove (3), the other side of the cushion pad is tightly attached to the explosion-proof pressure relief plate (7), and one side of the explosion-proof pressure relief plate (7) is tightly attached to the gas pipeline (1).
7. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: the buttress main body (15) is made of reinforced concrete, and elastic materials are uniformly filled in the explosion-proof pressure-relief keel (13).
8. The utility tunnel internal antiknock buttress structure of claim 1, characterized in that: and plastering (5) is sprayed on the buttress bottom concrete (18) at the bottom of the outer facing (4) and is used for protecting the buttress bottom concrete (18) and beautifying the exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692909.6U CN216475184U (en) | 2021-11-04 | 2021-11-04 | Inside antiknock buttress structure of utility tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692909.6U CN216475184U (en) | 2021-11-04 | 2021-11-04 | Inside antiknock buttress structure of utility tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216475184U true CN216475184U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122692909.6U Active CN216475184U (en) | 2021-11-04 | 2021-11-04 | Inside antiknock buttress structure of utility tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216475184U (en) |
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2021
- 2021-11-04 CN CN202122692909.6U patent/CN216475184U/en active Active
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