CN113863269A - Pipe shed for reinforcing rock-soil layer - Google Patents
Pipe shed for reinforcing rock-soil layer Download PDFInfo
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- CN113863269A CN113863269A CN202111151543.XA CN202111151543A CN113863269A CN 113863269 A CN113863269 A CN 113863269A CN 202111151543 A CN202111151543 A CN 202111151543A CN 113863269 A CN113863269 A CN 113863269A
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- pipe body
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a pipe shed for reinforcing a rock-soil layer, and belongs to the technical field of reinforcing devices. This pipe shed for geotechnical layer reinforcement includes: the pipe wall at the bottom of the pipe body is provided with a plurality of first through holes, and the outer wall at the bottom is tightly attached to the bottom plate; the supporting structure comprises a top plate, a lifting device and four supporting rods, the top plate is tightly attached to the inner wall of the top of the pipe body, the two sides of the top plate along the length direction of the pipe body are hinged to the top ends of the two supporting rods, the two supporting rods on the same side are mutually crossed, and the bottom end of each supporting rod is abutted to the bottom wall of the pipe body; the middle part of the top plate is fixedly connected with a base of the lifting device, and the head of the lifting device passes through the first through hole and abuts against the bottom plate; and one end of each reinforcing column is abutted to the side wall of the pipe body, and the other end of each reinforcing column penetrates through the first through hole and is abutted to the bottom plate. The whole process is used for offsetting the ground stress loss caused by engineering construction, so that the influence quantity of the disturbed existing underground structure is reduced, the control on the rock-soil body stress is achieved, the rock-soil layer of the underground facility is effectively reinforced, and the underground facility is protected.
Description
Technical Field
The invention relates to the technical field of reinforcing devices, in particular to a pipe shed for reinforcing rock and soil layers.
Background
In urban underground engineering construction, facilities such as adjacent existing underground structures and pipelines are more, the distance is usually short, and the construction of newly-built underground engineering often disturbs the adjacent existing facilities and jeopardizes the normal operation of the existing facilities. Before engineering construction, necessary technical demonstration is carried out aiming at the safety of existing facilities, even pre-reinforcement treatment is carried out, and corresponding protective technical measures are usually added in the construction process of some projects.
The existing underground facilities have higher safety requirements on disturbance influence, the displacement deformation control is usually millimeter and centimeter-level requirements, and the overall rigidity of the reinforcing measures in the rock-soil mass is usually lower, so that the requirement on the control of the tiny displacement of an adjacent structure is difficult to meet. Therefore, the device solves the problem of the current underground facility protection technology by controlling the stress of the rock-soil mass, and provides the pipe shed for strengthening the rock-soil layer.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a pipe shed for reinforcing rock and soil layers.
The invention provides a pipe shed for reinforcing rock and soil layers, which comprises: the pipe wall at the bottom of the pipe body is provided with a plurality of first through holes, and the outer wall at the bottom is tightly attached to the bottom plate;
the supporting structure comprises a top plate, a lifting device and four supporting rods, the top plate is tightly attached to the inner wall of the top of the pipe body, the two sides of the top plate along the length direction of the pipe body are hinged to the top ends of the two supporting rods, the two supporting rods on the same side are mutually crossed, and the bottom end of each supporting rod is abutted to the bottom wall of the pipe body; the middle part of the top plate is fixedly connected with a base of the lifting device, and the head of the lifting device penetrates through the first through hole and abuts against the bottom plate;
and one end of each reinforcing column is abutted to the side wall of the pipe body, and the other end of each reinforcing column penetrates through the first through hole and is abutted to the bottom plate.
Preferably, the pipe body is a square pipe, and one end of the pipe body is fixedly connected with a wedge, and a support plate is fixedly arranged in the wedge.
Preferably, the lifting device is a hydraulic jack, and a hydraulic pipeline of the hydraulic jack is communicated with the pressurizing device.
Preferably, the bottom wall of body is equipped with a plurality of second through-holes, and each second through-hole all wears to be equipped with the projecting falcon, projecting falcon fixed connection the bottom plate.
Preferably, the bottom of each bracing piece all articulates the leading wheel, and the leading wheel butt body diapire.
Preferably, the top of the reinforcing column abuts against the upper plate surface of the movable plate, the end portion of the movable plate is hinged to the fixed hinge, the fixed hinge is fixed to the inner wall of the pipe body, the lower surface of the end, far away from the fixed hinge, of the movable plate abuts against the upper surface of the limiting block, anti-skidding teeth are arranged on the lower surface of the limiting block, the anti-skidding teeth are meshed with teeth of the rack, and the rack is fixed to the inner wall of the pipe body.
Preferably, pulleys are arranged at the end parts, close to the vertical side walls of the pipe body, of the top plates; the two supporting rods on the same side are connected through a connecting rope, the connecting rope penetrates through the inner cavity of the elastic piece, and the two supporting rods are connected at the two end parts of the elastic piece.
Compared with the prior art, the invention has the beneficial effects that: through the height that control increased elevating gear, elevating gear applys reverse holding power simultaneously to body and bottom plate, body and bottom plate produce suitable displacement, use a plurality of reinforcement posts to support between body and bottom plate this moment, prevent to receive the reduction of formation stress displacement volume, after having installed the reinforcement post, control reduces elevating gear's height, draws bearing structure along the length direction of body, repeats above-mentioned action to next section body and bottom plate. The whole process is used for offsetting the ground stress loss caused by engineering construction, so that the influence quantity of the disturbed existing underground structure is reduced, the control on the rock-soil body stress is achieved, the rock-soil layer of the underground facility is effectively reinforced, and the underground facility is protected.
Drawings
FIG. 1 is a schematic end view of the present invention;
fig. 2 is a side sectional view of the present invention.
Description of reference numerals:
1. the device comprises a pipe body, 2 reinforcing columns, 3 lifting devices, 4 supporting rods, 5 guide wheels, 6 bottom plates, 7 top plates, 8 hydraulic pipelines, 9 elastic pieces, 10 racks, 11 movable plates, 12 fixed hinges, 13 wedge heads, 14 supporting plates, 15 pulleys, 16 convex tenons and 17 first through holes.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a pipe shed for reinforcing rock-soil layers, which comprises the following components in the figures 1-2: the pipe comprises a pipe body 1, a supporting structure and a plurality of reinforcing columns 2, wherein the pipe wall at the bottom of the pipe body 1 is provided with a plurality of first through holes 17, and the outer wall at the bottom is tightly attached to a bottom plate 6; the supporting structure comprises a top plate 7, a lifting device 3 and four supporting rods 4, wherein the top plate 7 is tightly attached to the inner wall of the top of the pipe body 1, the two sides of the top plate 7 along the length direction of the pipe body 1 are hinged to the top ends of the two supporting rods 4, the two supporting rods 4 on the same side are mutually crossed, and the bottom end of each supporting rod 4 is abutted to the bottom wall of the pipe body 1; the middle part of the top plate 7 is fixedly connected with a base of the lifting device 3, and the head of the lifting device 3 passes through the first through hole 17 and is abutted against the bottom plate 6; and a plurality of reinforcing columns 2, one end of each reinforcing column 2 is abutted against the side wall of the pipe body 1, and the other end thereof passes through the first through hole 17 and is abutted against the bottom plate 6.
Through the height that control increased elevating gear, elevating gear applys reverse holding power simultaneously to body and bottom plate, body and bottom plate produce suitable displacement, use a plurality of reinforcement posts to support between body and bottom plate this moment, prevent to receive the reduction of formation stress displacement volume, after having installed the reinforcement post, control reduces elevating gear's height, draws bearing structure along the length direction of body, repeats above-mentioned action to next section body and bottom plate. The whole process is used for offsetting the ground stress loss caused by engineering construction, so that the influence quantity of the disturbed existing underground structure is reduced, the control on the rock-soil body stress is achieved, the rock-soil layer of the underground facility is effectively reinforced, and the underground facility is protected.
Preferably, as shown in fig. 2, the pipe body 1 is a square pipe, one end of the pipe body 1 is fixedly connected with a wedge 13, and a support plate 14 is fixedly arranged in the wedge 13.
Aim at makes the body more easily beat into in the ground body.
Preferably, the lifting device 3 is a hydraulic jack as shown in fig. 1-2, and a hydraulic pipeline 8 of the hydraulic jack is communicated with a pressurizing device.
The pressurizing device can be a liquid booster or a pressure pump.
Preferably, as shown in fig. 1-2, the bottom wall of the pipe body 1 is provided with a plurality of second through holes, each of the second through holes is provided with a tenon 16, and the tenon 16 is fixedly connected to the bottom plate 6.
Aim at protruding falcon and the cooperation of second through-hole can prevent and avoid the in-process that squeezes the body into the ground layer, and body and bottom plate produce relative displacement and change.
Preferably, the bottom of each support rod 4 is hinged with a guide wheel 5 as shown in fig. 1-2, and the guide wheel 5 abuts against the bottom wall of the tube body 1.
Aims to more conveniently move the supporting structure and reduce the resistance in the moving process.
Preferably, as shown in fig. 2, the top of the reinforcing column 2 abuts against the upper plate surface of the movable plate 11, the end of the movable plate 11 is hinged to the fixed hinge 12, the fixed hinge is fixed to the inner wall of the tube 1, the lower surface of the end of the movable plate 11 away from the fixed hinge 12 abuts against the upper surface of the limiting block, the lower surface of the limiting block is provided with anti-slip teeth, the anti-slip teeth engage with the teeth of the rack 10, and the rack 10 is fixed to the inner wall of the tube 1.
When the extension of the lifting device reaches the maximum extension amount, the relative displacement variation amount which is generated by the pipe body and the bottom plate cannot be met, after the extension amount of the lifting device is reduced, the limiting block is close to the fixed hinge, the limiting block is meshed with the teeth of the rack 10, the movable plate 11 is enabled to rotate and rise by a certain height, the extension of the lifting device is controlled again, and the end of the lifting device abuts against the surface of the movable plate.
Preferably, as shown in fig. 1, the end parts of the top plate 7 close to the vertical side walls of the pipe body 1 are provided with pulleys 15; the two support rods 4 on the same side are connected through a connecting rope, the connecting rope penetrates through the inner cavity of the elastic part 9, and the two end parts of the elastic part 9 are connected with the two support rods 4.
The elastic parts are used for providing opposite pulling force, and the purpose is that the supporting rods which are mutually crossed at two sides of the shortened lifting device can still keep a stable supporting structure for the top plate.
The use method of the pipe shed for reinforcing the rock-soil layer comprises the following steps:
firstly, driving a wedge head end of a pipe body of the pipe shed for reinforcing the rock-soil layer into the rock-soil layer, moving a supporting structure to be close to the wedge head end, starting a pressurizing device to enable a lifting device to extend, enabling the end of the lifting device to penetrate through a first through hole and abut against a bottom plate, and enabling the bottom plate and the pipe body to generate proper relative displacement; secondly, the reinforcing columns are used for respectively supporting the bottom plate and the pipe body, the generated relative displacement is kept, the pressurizing device is controlled to shorten the lifting device, the supporting structure is moved for a proper distance in the direction away from the wedge head, and the actions are repeated; and finally, after the whole pipe body is reinforced, withdrawing the supporting structure, filling cement slurry into the pipe body, and curing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a ground layer is consolidated and is used pipe canopy which characterized in that includes:
the pipe comprises a pipe body (1), wherein the pipe wall of the bottom of the pipe body is provided with a plurality of first through holes (17), and the outer wall of the bottom is tightly attached to a bottom plate (6);
the supporting structure comprises a top plate (7), a lifting device (3) and four supporting rods (4), wherein the top plate (7) is tightly attached to the inner wall of the top of the pipe body (1), the top ends of the two supporting rods (4) are hinged to the top plate (7) along the two sides of the length direction of the pipe body (1), the two supporting rods (4) on the same side are mutually crossed, and the bottom end of each supporting rod (4) abuts against the bottom wall of the pipe body (1); the middle part of the top plate (7) is fixedly connected with a base of the lifting device (3), and the head of the lifting device (3) passes through the first through hole (17) and abuts against the bottom plate (6);
and one end of each reinforcing column (2) is abutted against the side wall of the pipe body (1), and the other end of each reinforcing column (2) passes through the first through hole (17) and is abutted against the bottom plate (6).
2. The pipe shed for reinforcing the geotechnical layer according to claim 1, wherein the pipe body (1) is a square pipe, one end of the pipe body (1) is fixedly connected with a wedge (13), and a support plate (14) is fixedly arranged in the wedge (13).
3. The pipe shed for geotechnical layer reinforcement according to claim 1, wherein said lifting device (3) is a hydraulic jack, and a hydraulic pipeline (8) of said hydraulic jack is communicated with a pressurizing device.
4. The pipe shed for geotechnical layer reinforcement according to claim 1, wherein the bottom wall of the pipe body (1) is provided with a plurality of second through holes, each second through hole is provided with a tenon (16), and the tenon (16) is fixedly connected with the bottom plate (6).
5. The pipe shed for reinforcing the geotechnical layer according to claim 1, wherein the bottom of each support rod (4) is hinged with a guide wheel (5), and the guide wheels (5) are abutted against the bottom wall of the pipe body (1).
6. The pipe shed for reinforcing the rock-soil layer according to claim 1, wherein the top of the reinforcing column (2) abuts against the upper plate surface of the movable plate (11), the end part of the movable plate (11) is hinged with a fixed hinge (12) which is fixed on the inner wall of the pipe body (1), the lower surface of one end, away from the fixed hinge (12), of the movable plate (11) abuts against the upper surface of the limiting block, the lower surface of the limiting block is provided with anti-skidding teeth, the anti-skidding teeth are meshed with the teeth of the rack (10), and the rack (10) is fixed on the inner wall of the pipe body (1).
7. The pipe shed for geotechnical layer reinforcement according to claim 1, wherein the ends of the top plate (7) close to the vertical side walls of the pipe body (1) are provided with pulleys (15); the two supporting rods (4) on the same side are connected through a connecting rope, the connecting rope penetrates through the inner cavity of the elastic piece (9), and the two end parts of the elastic piece (9) are connected with the two supporting rods (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151543.XA CN113863269B (en) | 2021-09-29 | 2021-09-29 | Pipe shed for reinforcing rock-soil layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151543.XA CN113863269B (en) | 2021-09-29 | 2021-09-29 | Pipe shed for reinforcing rock-soil layer |
Publications (2)
| Publication Number | Publication Date |
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| CN113863269A true CN113863269A (en) | 2021-12-31 |
| CN113863269B CN113863269B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111151543.XA Active CN113863269B (en) | 2021-09-29 | 2021-09-29 | Pipe shed for reinforcing rock-soil layer |
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| JP2007262837A (en) * | 2006-03-29 | 2007-10-11 | Okumura Corp | Pipe for forming pipe roof |
| CN203745218U (en) * | 2014-03-05 | 2014-07-30 | 中国矿业大学 | Tunnel pipe shed construction method simulation excavation device |
| US20150086272A1 (en) * | 2012-04-26 | 2015-03-26 | Xinbin Li | Self-moving tunnel support canopy |
| CN208137980U (en) * | 2018-03-07 | 2018-11-23 | 新能矿业有限公司 | Hydraulic prop and certainly shifting system |
| CN109538268A (en) * | 2018-11-15 | 2019-03-29 | 河南工程学院 | What a kind of mine laneway expanded when repairing interim moves suspension device |
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| CN112253205A (en) * | 2020-11-09 | 2021-01-22 | 山西豫能兴鹤铁路联运有限公司 | Tunnel hole-expanding pre-reinforcement system and method suitable for shallow burying |
| CN112443335A (en) * | 2020-10-27 | 2021-03-05 | 南昌轨道交通集团有限公司地铁项目管理分公司 | Support system for automatically controlling deformation of tunnel underpass pipeline and construction method thereof |
| CN212774339U (en) * | 2020-08-17 | 2021-03-23 | 李信斌 | Support structure and supporting equipment |
-
2021
- 2021-09-29 CN CN202111151543.XA patent/CN113863269B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007262837A (en) * | 2006-03-29 | 2007-10-11 | Okumura Corp | Pipe for forming pipe roof |
| US20150086272A1 (en) * | 2012-04-26 | 2015-03-26 | Xinbin Li | Self-moving tunnel support canopy |
| CN203745218U (en) * | 2014-03-05 | 2014-07-30 | 中国矿业大学 | Tunnel pipe shed construction method simulation excavation device |
| CN208137980U (en) * | 2018-03-07 | 2018-11-23 | 新能矿业有限公司 | Hydraulic prop and certainly shifting system |
| CN109630175A (en) * | 2018-10-19 | 2019-04-16 | 宁波用躬科技有限公司 | A kind of packaged type pre-loaded support struts system and its application method |
| CN109538268A (en) * | 2018-11-15 | 2019-03-29 | 河南工程学院 | What a kind of mine laneway expanded when repairing interim moves suspension device |
| CN210636446U (en) * | 2019-09-21 | 2020-05-29 | 杨敏 | Geotechnical engineering supports safety arrangement |
| CN212774339U (en) * | 2020-08-17 | 2021-03-23 | 李信斌 | Support structure and supporting equipment |
| CN112443335A (en) * | 2020-10-27 | 2021-03-05 | 南昌轨道交通集团有限公司地铁项目管理分公司 | Support system for automatically controlling deformation of tunnel underpass pipeline and construction method thereof |
| CN112253205A (en) * | 2020-11-09 | 2021-01-22 | 山西豫能兴鹤铁路联运有限公司 | Tunnel hole-expanding pre-reinforcement system and method suitable for shallow burying |
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| CN113863269B (en) | 2022-12-20 |
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