CN113833493A - Ground layer consolidates uses utricule pipe canopy - Google Patents
Ground layer consolidates uses utricule pipe canopy Download PDFInfo
- Publication number
- CN113833493A CN113833493A CN202111154487.5A CN202111154487A CN113833493A CN 113833493 A CN113833493 A CN 113833493A CN 202111154487 A CN202111154487 A CN 202111154487A CN 113833493 A CN113833493 A CN 113833493A
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- China
- Prior art keywords
- pipe
- grouting
- communicated
- water injection
- circular
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 239000010985 leather Substances 0.000 claims abstract description 37
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 22
- 238000007569 slipcasting Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 10
- 239000011440 grout Substances 0.000 description 9
- 239000011435 rock Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- 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
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/152—Laggings made of grids or nettings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses an utricule pipe shed for rock-soil layer reinforcement, and belongs to the technical field of reinforcement devices. This ground layer is consolidated and is used utricule pipe canopy includes: one end of the water injection pipe is communicated with one end of a connecting pipe, the connecting pipe is arranged in a through hole arranged on the circular pipe body in a penetrating way, and a pressure measuring part and a valve are also arranged on the water injection pipe; one end of the grouting pipe is communicated with one end of the other connecting pipe, the connecting pipe penetrates through a through hole formed in the circular pipe body, and a valve is also arranged on the grouting pipe; the grouting leather bag is tightly attached to the outer wall of the bottom of the circular pipe body and is communicated with the other ends of the two connecting pipes; the discharge port of the water injector is communicated with one end of a water injection pipe; the discharge port of the grouting machine is communicated with one end of the grouting pipe. Not only produce the extrusion force but also can the permanent stability crowded load that moves back that applys through slip casting, all keep extruding the ground layer around the utricule pipe canopy during the whole process, reach the control to ground body stress, and then effectively consolidate the ground layer of underground facilities, protected underground facilities.
Description
Technical Field
The invention relates to the technical field of reinforcing devices, in particular to an airbag pipe shed for rock and soil layer reinforcement.
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. The device solves the problem of the current underground facility protection technology by controlling the stress of the rock and soil mass, and provides a capsule pipe shed for reinforcing the rock and soil layer.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a capsule pipe shed for reinforcing rock and soil layers.
The invention provides an utricule pipe canopy for reinforcing rock and soil layers, which comprises a circular pipe body and further comprises: the water injection pipe, the grouting leather bag, the water injection machine, the grouting machine and the cambered plate, wherein one end of the water injection pipe is communicated with one end of a connecting pipe, the connecting pipe penetrates through a through hole formed in the circular pipe body, and a pressure measuring part and a valve are further arranged on the water injection pipe; one end of the grouting pipe is communicated with one end of the other connecting pipe, the connecting pipe penetrates through a through hole formed in the circular pipe body, and a valve is also arranged on the grouting pipe; the grouting leather bag is tightly attached to the outer wall of the bottom of the circular pipe body and is communicated with the other ends of the two connecting pipes; the discharge port of the water injector is communicated with the other end of the water injection pipe, and the feed port of the water injector is communicated with a water source; the discharge port of the grouting machine is communicated with the other end of the grouting pipe, and the feed port of the grouting machine is communicated with a slurry source; the inner surface of the cambered plate is fixedly connected with the grouting leather bag, and the cambered plate is tightly attached to the pipe wall of the circular pipe body.
Preferably, one end of the cambered plate is fixed on the outer wall of the circular pipe body through a fastener, so that the cambered plate is prevented from falling off from the circular pipe body.
Preferably, two reinforcing wing plates are fixedly connected to two sides of the outer wall of the circular pipe body, and the plate surfaces of the reinforcing wing plates are parallel to the horizontal plane.
Preferably, the end of the circular tube body is fixedly provided with a conical wedge, and a support plate is fixedly connected inside the wedge.
Preferably, the cambered plate is a PVC plastic sheet with a protective effect on the grouting leather bag.
Preferably, the pipe wall of the circular pipe body close to the cambered plate is provided with a plane.
Compared with the prior art, the invention has the beneficial effects that: after will the ground layer is consolidated with utricule pipe canopy for ground layer reinforcement of this application squeezes into the ground layer, through pressurizing water injection pipe water injection, when the intraductal rivers that have of slip casting overflow, stop to water injection pipe water injection and steady voltage, the inflation of slip casting leather bag produces the extrusion to the ground layer around the utricule pipe canopy, be used for near ground layer millimeter, centimetre level's displacement deformation control, after ground layer displacement suitably changes, through carrying out the slip casting to the slip casting pipe, the water of thick liquid in with the slip casting leather bag is extruded from the water injection pipe, after overflowing the thick liquid in the water injection pipe, stop the slip casting, wait for the thick liquid to solidify, not only produce the extrusion force through the slip casting but also can the permanent stable crowded load that applys of moving back, all keep squeezing the ground layer around the utricule pipe canopy during the whole process, reach the control to ground body stress, and then effectively consolidate the ground layer of underground facilities, underground facilities has been 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:
21. the device comprises a circular pipe body, 22 reinforcing wing plates, 23 arc panels, 24 grouting leather bags, 25 water injection pipes, 26 connecting pipes, 27 grouting pipes, 28 through holes, 29 fasteners, 30 wedges and 31 supporting plates.
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 capsule pipe shed for reinforcing rock and soil layers, which comprises a circular pipe body 21 and further comprises the following components in the figures 1-2: the water injection device comprises a water injection pipe 25, a grouting pipe 27, a grouting leather bag 24, a water injection machine and a grouting machine, wherein one end of the water injection pipe 25 is communicated with one end of a connecting pipe 26, the connecting pipe 26 penetrates through a through hole 28 formed in the circular pipe body 21, and a pressure measuring part and a valve are further arranged on the water injection pipe 25; one end of the grouting pipe 27 is communicated with one end of the other connecting pipe 26, the connecting pipe 26 is arranged in a through hole 28 arranged on the circular pipe body 21 in a penetrating way, and the grouting pipe 27 is also provided with a valve; the grouting leather bag 24 is tightly attached to the outer wall of the bottom of the circular pipe body 21, and the grouting leather bag 24 is communicated with the other ends of the two connecting pipes 26; the discharge hole of the water injector is communicated with the other end of the water injection pipe 25, and the feed hole of the water injector is communicated with a water source; the discharge port of the grouting machine is communicated with the other end of the grouting pipe 27, and the feed port of the grouting machine is communicated with a slurry source; the cambered plate 23 is fixedly connected with a grouting leather bag 24 on the inner surface, and the cambered plate 23 is tightly attached to the pipe wall of the circular pipe body 21.
After the bag-shaped pipe shed for reinforcing the rock-soil layer is driven into the rock-soil layer, the connection between the grouting machine and the grouting pipe is disconnected, the two valves are opened simultaneously, the water injection machine is started to inject water into the water injection pipe for pressurization, when water flow at the end part of the grouting pipe continuously overflows, the two valves and the water injection machine are closed, the pressure value on the pressure measuring component is observed for five minutes, if the pressure value is obviously reduced, the sealing effect of the grouting leather bag 24 is poor, and the new grouting leather bag 24 is checked and replaced; if the pressure value has no obvious change, which indicates that the sealing effect of the grouting leather bag 24 is good, the grouting machine is communicated with the grouting pipe 27, the grouting machine is disconnected from the water injection pipe 25, the valve on the grouting pipe 27 is completely opened, the valve on the water injection pipe 25 is properly opened, the grouting machine is started, the grouting leather bag expands and extrudes the rock-soil layer around the bag body pipe shed, the grouting leather bag is used for controlling the millimeter and centimeter-level displacement deformation of the nearby rock-soil layer, the rock-soil layer displacement is properly changed, the pressure value of the pressure measuring part is simultaneously observed, the grouting pipe is grouted, the water in the grouting leather bag is extruded from the water injection pipe by the grout, the valve on the water injection pipe 25 is completely closed until the grout continuously overflows in the water injection pipe, the valve on the grouting pipe is closed until the pressure value of the pressure measuring part reaches a specific value, the valve on the grouting pipe is closed, the power of the grouting machine is cut off, the grouting is stopped, and the grout is waited to solidify. Not only produce the extrusion force but also can the permanent stability crowded load that moves back that applys through slip casting, all keep extruding the ground layer around the utricule pipe canopy during the whole process, reach the control to ground body stress, and then effectively consolidate the ground layer of underground facilities, protected underground facilities.
The cambered plate is used for protecting the grouting leather bag, prevents that this utricule pipe canopy from squeezing into the ground layer in-process and receiving frictional force and being torn, when simultaneously squeezing into the ground layer when this utricule pipe canopy, near the ground of pipe canopy outer wall is not smooth, when the grouting leather bag produces crowded load that moves back to the ground layer, produces stress concentration easily, leads to the grouting leather bag integument to puncture, and the cambered plate can avoid the ground to produce concentrated stress to the grouting leather bag, and make crowded load that moves back evenly exert.
Preferably, one end of the arc plate 23 is fixed to the end of the circular tube 21 by a fastener as shown in fig. 2, so as to prevent the arc plate 23 from falling off the circular tube 21.
Avoided when squeezing into this utricule pipe canopy, the cambered plate produces relative displacement with circular body, and then produces the dragging to the slip casting utricule, when admitting the water injection simultaneously and slip casting, the slip casting utricule produces the extrusion to the cambered plate, and the cambered plate can produce relative displacement in the radial direction of circular body.
Preferably, two reinforcing flanges 22 are fixedly connected to two sides of the outer wall of the circular tube 21 as shown in fig. 1-2, and the surfaces of the reinforcing flanges 22 are parallel to the horizontal plane.
Aim at prevents that circular body from beating into the bending deformation of rock-soil layer in-process, also plays the effect of direction.
Preferably, a conical wedge 30 is fixedly disposed at an end of the circular tube 21 as shown in fig. 2, and a support plate 31 is fixedly connected to an inside of the wedge 30.
The purpose is to reduce the resistance when the circular pipe body is driven.
Preferably, the cambered plate 23 is a PVC plastic plate having a protective effect on the grouting bladder 24 as shown in fig. 1-2.
The grouting leather bag 24 is enabled to be subjected to uniform extrusion force after being filled with liquid, and the situation that sand and stones in rock and soil bodies generate stress concentration on the grouting leather bag 24 to cause the grouting leather bag 24 to break is prevented.
Preferably, the wall of the circular tube 21 near the cambered plate 23 is provided with a plane.
Before for water injection and slip casting, the round pipe body 21 and the cambered plate 23 driven into the rock-soil layer are mutually attached, the slip casting leather bag 24 is clamped between the round pipe body 21 and the cambered plate, the resistance of the slip casting leather bag is large when water flow is full of, the flow rate of grout relative to water is slower, the filling of the inside of the slip casting leather bag is uneven, the structure is designed, a space is reserved between the round pipe body 21 and the cambered plate 23, the space is allowed to be filled with water or grout smoothly along the length direction of the round pipe body 21, after a certain pressure value is reached, the water or grout is filled into two sides, and the problem that the water or grout is not uniformly filled into the slip casting leather bag is solved.
The use method of the capsule pipe shed for reinforcing the rock-soil layer comprises the following steps:
after the bag-shaped pipe shed for reinforcing the rock-soil layer is driven into the rock-soil layer, the connection between the grouting machine and the grouting pipe is disconnected, the two valves are opened simultaneously, the water injection machine is started to inject water into the water injection pipe for pressurization, when water flow at the end part of the grouting pipe continuously overflows, the two valves and the water injection machine are closed, the pressure value on the pressure measuring component is observed for five minutes, if the pressure value is obviously reduced, the sealing effect of the grouting leather bag 24 is poor, and the new grouting leather bag 24 is checked and replaced; if the pressure value has no obvious change, which indicates that the sealing effect of the grouting leather bag 24 is good, the grouting machine is communicated with the grouting pipe 27, the grouting machine is disconnected with the water injection pipe 25, the valve on the grouting pipe 27 is completely opened, the valve on the water injection pipe 25 is properly opened (aiming at stabilizing pressure while draining water), the grouting machine is started, the grouting leather bag expands and extrudes the rock-soil layer around the bag body pipe shed, is used for controlling the millimeter and centimeter-level displacement deformation of nearby rock-soil layers and properly changing the displacement of the rock-soil layers, and the pressure value of the pressure measuring component is observed, the water in the grouting leather bag is extruded out from the water injection pipe by the grout through the grouting pipe until the grout continuously overflows from the water injection pipe, and completely closing the valve on the water injection pipe 25 until the pressure value of the pressure measuring part reaches a specific numerical value, closing the valve on the grouting pipe, powering off the grouting machine, stopping grouting, and waiting for the slurry to solidify.
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 (6)
1. The utility model provides a ground layer consolidates and uses utricule pipe canopy, includes circular body (21), its characterized in that still includes:
one end of the water injection pipe (25) is communicated with one end of a connecting pipe (26), the connecting pipe (26) is arranged in a through hole (28) formed in the circular pipe body (21) in a penetrating mode, and a pressure measuring component and a valve are further arranged on the water injection pipe (25);
one end of the grouting pipe (27) is communicated with one end of the other connecting pipe (26), the connecting pipe (26) is arranged in a through hole (28) formed in the round pipe body (21) in a penetrating mode, and a valve is also arranged on the grouting pipe (27);
the grouting leather bags (24) are tightly attached to the outer wall of the bottom of the circular pipe body (21), and the grouting leather bags (24) are communicated with the other ends of the two connecting pipes (26);
the discharge hole of the water injection machine is communicated with the other end of the water injection pipe (25), and the feed inlet of the water injection machine is communicated with a water source;
a discharge port of the grouting machine is communicated with the other end of the grouting pipe (27), and a feed port of the grouting machine is communicated with a slurry source;
the inner surface of the cambered plate (23) is fixedly connected with a grouting leather bag (24), and the cambered plate (23) is tightly attached to the pipe wall of the round pipe body (21).
2. A pipe shed device as claimed in claim 1, wherein the cambered plate (23) is fixed on the outer wall of the circular pipe body (21) through a fastener (29) for preventing the cambered plate (23) from falling off the circular pipe body (21).
3. The pipe shed device as claimed in claim 1, wherein two reinforcing flanges (22) are fixedly connected to two sides of the outer wall of the circular pipe body (21), and the surfaces of the reinforcing flanges (22) are parallel to the horizontal plane.
4. Pipe shed device according to claim 1, characterized in that a conical wedge (30) is fixedly arranged at the end of the circular pipe body (21), and a support plate (31) is fixedly connected inside the wedge (30).
5. Piping shed device according to claim 1, characterized in that the curved panels (23) are PVC plastic sheets with protective effect on the grouting bellows (24).
6. A pipe-shed device as in claim 1, wherein the walls of the circular pipe body (21) adjacent to the curved panels (23) are provided with flats for providing space for the grouting bellows (24) to expand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154487.5A CN113833493B (en) | 2021-09-29 | 2021-09-29 | Bag body pipe shed for rock and soil layer reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154487.5A CN113833493B (en) | 2021-09-29 | 2021-09-29 | Bag body pipe shed for rock and soil layer reinforcement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113833493A true CN113833493A (en) | 2021-12-24 |
| CN113833493B CN113833493B (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111154487.5A Active CN113833493B (en) | 2021-09-29 | 2021-09-29 | Bag body pipe shed for rock and soil layer reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113833493B (en) |
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|---|---|---|---|---|
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| CN102003189A (en) * | 2010-12-20 | 2011-04-06 | 中铁隧道集团有限公司 | Mold bag grouting method and device for quickly and uniformly reinforcing soft stratum |
| CN106639973A (en) * | 2016-12-19 | 2017-05-10 | 中铁建大桥工程局集团第二工程有限公司 | Grouting structure and grouting method for ground surface ultra-deep hole double liquid slurry grouting |
| CN107542469A (en) * | 2017-03-29 | 2018-01-05 | 清华海峡研究院（厦门） | A kind of underground mould bag stake method for protecting support |
| CN108533273A (en) * | 2018-04-11 | 2018-09-14 | 北京市政建设集团有限责任公司 | A kind of novel pipe shed for Support System in Soft Rock Tunnels leading pre-supporting |
| CN109680675A (en) * | 2019-01-25 | 2019-04-26 | 天津大学 | A kind of Stabilizing Grout method that can dynamically control grouting amount and harden opportunity |
| CN110172973A (en) * | 2019-05-23 | 2019-08-27 | 上海长凯岩土工程有限公司 | A kind of grouting method of combined steel tube pile structure |
| CN209621352U (en) * | 2019-03-14 | 2019-11-12 | 兰州资源环境职业技术学院 | A kind of positioning slip casting anchoring prestress anchor tube rope |
| CN113047866A (en) * | 2021-04-20 | 2021-06-29 | 南昌工程学院 | Large pipe shed grouting connection structure for shallow-buried small-spacing rock tunnel construction |
-
2021
- 2021-09-29 CN CN202111154487.5A patent/CN113833493B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100888585B1 (en) * | 2008-06-05 | 2009-03-13 | (주)경동기술공사 | Mult-step pressure type grouting apparatus and grouting method of using the same |
| CN102003189A (en) * | 2010-12-20 | 2011-04-06 | 中铁隧道集团有限公司 | Mold bag grouting method and device for quickly and uniformly reinforcing soft stratum |
| CN106639973A (en) * | 2016-12-19 | 2017-05-10 | 中铁建大桥工程局集团第二工程有限公司 | Grouting structure and grouting method for ground surface ultra-deep hole double liquid slurry grouting |
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| Publication number | Publication date |
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| CN113833493B (en) | 2024-06-04 |
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