CN113062366A - Structure for preventing underground space structure from floating caused by field earthquake liquefaction - Google Patents
Structure for preventing underground space structure from floating caused by field earthquake liquefaction Download PDFInfo
- Publication number
- CN113062366A CN113062366A CN202110305338.8A CN202110305338A CN113062366A CN 113062366 A CN113062366 A CN 113062366A CN 202110305338 A CN202110305338 A CN 202110305338A CN 113062366 A CN113062366 A CN 113062366A
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- China
- Prior art keywords
- bracing piece
- balance
- stratum
- rod
- space structure
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- 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
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- 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
- E02D31/10—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 soil pressure or hydraulic pressure
- E02D31/12—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 soil pressure or hydraulic pressure against upward hydraulic pressure
Abstract
The invention provides a structure for preventing a ground earthquake liquefaction from inducing an underground spatial structure to float, wherein the spatial structure is arranged in a liquefied stratum, and a bedrock stratum is arranged at the lower side of the liquefied stratum and comprises a balance assembly and a supporting firmware; the left side and the right side of the space structure are respectively provided with a balance assembly, the balance assembly comprises a balance rod and a balance block, the balance rod is horizontally arranged, one end of the balance rod is fixedly connected with the space structure, the balance block is connected to the other end of the balance rod, and the balance block is of a plate body structure; the support firmware setting downside at spatial structure, supporting component include bracing piece, stay tube, reinforcing bar rack, the vertical setting of bracing piece, the bracing piece setting downside at spatial structure, the upper end and the spatial structure fixed connection of bracing piece, the lower extreme of bracing piece insert the basement rock stratum in, the bracing piece be equipped with a plurality of roots, a plurality of spinal branch vaulting pole is the setting of interval each other.
Description
Technical Field
The invention relates to a structure for preventing a ground earthquake liquefaction from inducing an underground space structure to float.
Background
The liquefaction and floating of an underground structure is a typical earthquake disaster, and an anti-floating anchor rod is usually adopted to carry out anti-floating design on the underground structure in actual engineering. However, the existing anti-floating anchor rod still has the following problems: the mechanism of action of stock is that the stock provides pulling force for the stock with the frictional force on soil layer, and when the soil layer takes place to liquefy around, the intensity of soil layer loses, leads to the stock to liquefy the frictional force on soil layer and reduces, then the withdrawal resistance of stock descends, and anti-floating anchor then loses its effect.
Disclosure of Invention
In view of the problems identified in the background art, the present invention provides a structure for preventing a ground seismic liquefaction from inducing a floating-up of an underground space structure.
The technical scheme of the invention is realized as follows:
a structure for preventing a ground earthquake liquefaction from inducing a floating of an underground space structure is arranged in a liquefied stratum, and a bedrock stratum is arranged on the lower side of the liquefied stratum and comprises a balance assembly and a supporting firmware;
the left side and the right side of the space structure are respectively provided with a balance assembly, the balance assembly comprises a balance rod and a balance block, the balance rod is horizontally arranged, one end of the balance rod is fixedly connected with the space structure, the balance block is connected to the other end of the balance rod, and the balance block is of a plate body structure;
the support firmware setting in spatial structure's downside, the supporting component include bracing piece, stay tube, reinforcing bar rack, the vertical setting of bracing piece, the bracing piece set up in spatial structure's downside, the upper end and the spatial structure fixed connection of bracing piece, the lower extreme of bracing piece insert in the basement rock stratum, the bracing piece be equipped with a plurality of, a plurality of mutual intervals of bracing piece set up, reinforcing bar rack set up downside and side at spatial structure, reinforcing bar rack be the level setting, reinforcing bar rack be equipped with a plurality ofly, a plurality of reinforcing bar racks set up in the upper and lower direction interval, the bracing piece follow reinforcing bar rack in pass, the stay tube be vertical setting, the upper end of stay tube connect in reinforcing bar rack, the lower extreme of stay tube insert in the basement rock stratum, the supporting pipe is arranged in a hollow mode, concrete is poured into the reinforcing steel bar net rack and the supporting pipe, concrete consolidation is fast formed, the concrete consolidation fast surrounds the space structure, and the concrete consolidation fast is arranged in a liquefied stratum.
The invention is further arranged that the support bar and the balance bar are both made of stainless steel.
The invention is further set up in that the support rod is composed of an inserting pipe and a connecting rod, the inserting pipe is of a tubular structure, the lower end of the inserting pipe is inserted into the bedrock stratum, the upper end of the connecting rod is fixedly connected with the space structure, the lower end of the connecting rod is inserted into the inserting pipe from the upper end of the inserting pipe, the connecting rod is in threaded connection with the inserting pipe, the outer wall of the connecting rod is provided with external threads, and the inner wall of the inserting pipe is provided with internal threads.
The invention is further provided that the lower end of the connecting rod is of a conical structure.
The invention is further provided that the counterweight is made of plastic.
The invention is further provided that the number of the supporting tubes is several.
The invention is further provided that the balance weight is of a circular structure.
By adopting the technical scheme, the invention has the beneficial effects that:
the structure for preventing the underground space structure from floating caused by field earthquake liquefaction is characterized in that the space structure is fixedly connected with a bedrock stratum through the supporting and fixing pieces, one supporting and fixing piece is used for supporting the space structure, the other supporting and fixing piece is used for pulling the space structure, the balancing component is used for positioning and fixing the space structure and preventing the space structure from floating up and down in the liquefied stratum, and therefore the space structure is reinforced through the balancing component and the supporting and fixing pieces.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a balancing assembly of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a schematic structural view of a support bar according to the present invention;
fig. 6 is a schematic structural view of the reinforcing cage of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is described below with reference to fig. 1-6:
the utility model provides a avoid place earthquake liquefaction to induce structure of underground space structure come-up, space structure 11 sets up in liquefaction stratum 1, and the downside in liquefaction stratum 1 is bedrock stratum 2, including balanced subassembly and support firmware.
The left and right sides of spatial structure set up balanced subassembly respectively, balanced subassembly include balancing pole 3 and balancing piece 4, balancing pole 3 level set up, balancing pole 3 one end and spatial structure fixed connection, balancing piece 4 connect the other end at balancing pole 3, balancing piece 4 be plate body structure.
The support firmware setting in spatial structure's downside, the supporting component include bracing piece 5, stay tube 6, reinforcing bar rack 7.
The vertical setting of bracing piece 5, bracing piece 5 set up the downside at spatial structure, the upper end and the spatial structure 11 fixed connection of bracing piece 5, the lower extreme of bracing piece 5 insert basement rock stratum 2 in, bracing piece 5 be equipped with a plurality of, the mutual interval setting of a plurality of bracing pieces 5, reinforcing bar rack 7 set up downside and the side at spatial structure, reinforcing bar rack 7 set up for the level setting, reinforcing bar rack 7 be equipped with a plurality ofly, a plurality of reinforcing bar racks 7 set up at upper and lower direction interval, bracing piece 5 follow reinforcing bar rack 7 in pass, stay tube 6 be vertical setting, the upper end of stay tube 6 connect in reinforcing bar rack 7, the lower extreme of stay tube 6 insert basement rock stratum 2 in, stay tube 6 be inside cavity setting, concrete is poured into the reinforcing steel bar net rack 7 and the supporting pipe 6, concrete consolidation speed 8 is formed, the concrete consolidation speed 8 surrounds the space structure, and the concrete consolidation speed 8 is arranged in the liquefied stratum 1.
Wherein, the supporting rod 5 and the balancing rod 3 are both made of stainless steel.
The support rod 5 comprises an insertion pipe 9 and a connecting rod 10, the insertion pipe 9 is of a tubular structure, the lower end of the insertion pipe 9 is inserted into the bedrock stratum 2, the upper end of the connecting rod 10 is fixedly connected with the space structure, the lower end of the connecting rod 10 is inserted into the insertion pipe 9 from the upper end of the insertion pipe 9, the connecting rod 10 is in threaded connection with the insertion pipe 9, an external thread is arranged on the outer wall of the connecting rod 10, and an internal thread is arranged on the inner wall of the insertion pipe 9.
Wherein, the lower end of the connecting rod 10 is a conical structure.
Wherein, the balance weight 4 is made of plastic.
Wherein, a plurality of supporting tubes 6 are arranged.
Wherein, the balance weight 4 is a circular structure.
By adopting the technical scheme, the invention has the beneficial effects that:
the structure for preventing the underground space structure from floating caused by field earthquake liquefaction is characterized in that the space structure is fixedly connected with a bedrock stratum 2 through supporting and fixing pieces, one supporting and fixing piece is used for supporting the space structure, the other supporting and fixing piece is used for pulling the space structure, a balancing component is used for positioning and fixing the space structure and preventing the space structure from floating up and down in the liquefied stratum 1, and therefore the space structure is reinforced through the balancing component and the supporting and fixing pieces.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a avoid place earthquake liquefaction to induce structure of secret spatial structure come-up, spatial structure sets up in the liquefaction stratum, and the downside on liquefaction stratum is the bedrock stratum, its characterized in that: comprises a balance component and a supporting firmware;
the left side and the right side of the space structure are respectively provided with a balance assembly, the balance assembly comprises a balance rod and a balance block, the balance rod is horizontally arranged, one end of the balance rod is fixedly connected with the space structure, the balance block is connected to the other end of the balance rod, and the balance block is of a plate body structure;
the support firmware setting in spatial structure's downside, the supporting component include bracing piece, stay tube, reinforcing bar rack, the vertical setting of bracing piece, the bracing piece set up in spatial structure's downside, the upper end and the spatial structure fixed connection of bracing piece, the lower extreme of bracing piece insert in the basement rock stratum, the bracing piece be equipped with a plurality of, a plurality of mutual intervals of bracing piece set up, reinforcing bar rack set up downside and side at spatial structure, reinforcing bar rack be the level setting, reinforcing bar rack be equipped with a plurality ofly, a plurality of reinforcing bar racks set up in the upper and lower direction interval, the bracing piece follow reinforcing bar rack in pass, the stay tube be vertical setting, the upper end of stay tube connect in reinforcing bar rack, the lower extreme of stay tube insert in the basement rock stratum, the supporting pipe is arranged in a hollow mode, concrete is poured into the reinforcing steel bar net rack and the supporting pipe, concrete consolidation is fast formed, the concrete consolidation fast surrounds the space structure, and the concrete consolidation fast is arranged in a liquefied stratum.
2. The structure for preventing the ground earthquake liquefaction from inducing the floating of the underground space structure as claimed in claim 1, wherein: the supporting rod and the balancing rod are both made of stainless steel.
3. The structure for preventing the ground earthquake liquefaction from inducing the floating of the underground space structure as claimed in claim 1, wherein: the utility model discloses a bedrock stratum, including the bracing piece, the bracing piece be connected with the base rock stratum, the base rock stratum is connected with the bracing piece, the bracing piece constitute by grafting pipe and connecting rod, the grafting pipe be the tubular structure, the lower extreme of grafting pipe insert in the bedrock stratum, the upper end of connecting rod with spatial structure fixed connection, the lower extreme of connecting rod insert from the upper end of grafting pipe the inside of grafting pipe, connecting rod and grafting pipe threaded connection, the outer wall of connecting rod on be equipped with the external screw thread, the inner wall of grafting pipe on be equipped with the internal thread.
4. The structure for preventing the ground earthquake liquefaction from inducing the floating of the underground space structure as claimed in claim 1, wherein: the lower end of the connecting rod is of a conical structure.
5. The structure for preventing the ground earthquake liquefaction from inducing the floating of the underground space structure as claimed in claim 1, wherein: the balance weight is made of plastic.
6. The structure for preventing the ground earthquake liquefaction from inducing the floating of the underground space structure as claimed in claim 1, wherein: the supporting tubes are provided with a plurality of supporting tubes.
7. The structure for preventing the ground earthquake liquefaction from inducing the floating of the underground space structure as claimed in claim 1, wherein: the balance weight is of a circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305338.8A CN113062366B (en) | 2021-03-19 | 2021-03-19 | Structure for preventing underground space structure from floating caused by field earthquake liquefaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305338.8A CN113062366B (en) | 2021-03-19 | 2021-03-19 | Structure for preventing underground space structure from floating caused by field earthquake liquefaction |
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| CN113062366A true CN113062366A (en) | 2021-07-02 |
| CN113062366B CN113062366B (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110305338.8A Active CN113062366B (en) | 2021-03-19 | 2021-03-19 | Structure for preventing underground space structure from floating caused by field earthquake liquefaction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220332A (en) * | 2022-02-11 | 2022-03-22 | 应急管理部国家自然灾害防治研究院 | Earthquake simulation test equipment |
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| GB751775A (en) * | 1954-02-04 | 1956-07-04 | Cementation Co Ltd | Improvements in or relating to sub-aqueous structures |
| CN201151920Y (en) * | 2007-11-14 | 2008-11-19 | 贵阳铝镁设计研究院 | Floating-resistant ground pit structure |
| CN202227368U (en) * | 2011-09-09 | 2012-05-23 | 中铁二院工程集团有限责任公司 | Underground groove structured anti-floating structure |
| CN108505547A (en) * | 2018-04-19 | 2018-09-07 | 济南轨道交通集团有限公司 | A kind of structural system and method for the antiseismic liquefaction uplifting in subway station |
| CN109183858A (en) * | 2018-10-23 | 2019-01-11 | 金陵科技学院 | A kind of Novel underground float Structure and its construction method |
| CN210369068U (en) * | 2019-06-27 | 2020-04-21 | 中铁一局集团第二工程有限公司 | A synthesize protective structure for facing sea environment subway station open cut deep basal pit |
| CN210712897U (en) * | 2019-08-19 | 2020-06-09 | 中国建筑第八工程局有限公司 | Caisson and foundation pit structure formed by same |
| CN212001301U (en) * | 2020-04-28 | 2020-11-24 | 中铁二十局集团第四工程有限公司 | Anti structure of floating of subway station |
-
2021
- 2021-03-19 CN CN202110305338.8A patent/CN113062366B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB751775A (en) * | 1954-02-04 | 1956-07-04 | Cementation Co Ltd | Improvements in or relating to sub-aqueous structures |
| CN201151920Y (en) * | 2007-11-14 | 2008-11-19 | 贵阳铝镁设计研究院 | Floating-resistant ground pit structure |
| CN202227368U (en) * | 2011-09-09 | 2012-05-23 | 中铁二院工程集团有限责任公司 | Underground groove structured anti-floating structure |
| CN108505547A (en) * | 2018-04-19 | 2018-09-07 | 济南轨道交通集团有限公司 | A kind of structural system and method for the antiseismic liquefaction uplifting in subway station |
| CN109183858A (en) * | 2018-10-23 | 2019-01-11 | 金陵科技学院 | A kind of Novel underground float Structure and its construction method |
| CN210369068U (en) * | 2019-06-27 | 2020-04-21 | 中铁一局集团第二工程有限公司 | A synthesize protective structure for facing sea environment subway station open cut deep basal pit |
| CN210712897U (en) * | 2019-08-19 | 2020-06-09 | 中国建筑第八工程局有限公司 | Caisson and foundation pit structure formed by same |
| CN212001301U (en) * | 2020-04-28 | 2020-11-24 | 中铁二十局集团第四工程有限公司 | Anti structure of floating of subway station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220332A (en) * | 2022-02-11 | 2022-03-22 | 应急管理部国家自然灾害防治研究院 | Earthquake simulation test equipment |
| CN114220332B (en) * | 2022-02-11 | 2024-04-12 | 应急管理部国家自然灾害防治研究院 | Earthquake simulation test equipment |
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| CN113062366B (en) | 2023-02-03 |
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Effective date of registration: 20220520 Address after: No.1 anningzhuang Road, Haidian District, Beijing Applicant after: National natural disaster prevention and Control Research Institute Ministry of emergency management Applicant after: Guizhou University Address before: 100085, Anning Road, Beijing, Haidian District, No. 1 Applicant before: National natural disaster prevention and Control Research Institute Ministry of emergency management Applicant before: QINGDAO TECHNOLOGICAL University Applicant before: BEIJING BUILDING MATERIALS ACADEMY OF SCIENCES RESEARCH Applicant before: Guizhou University |
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