CN115420612A - Device and method for simulating and testing water pressure in shield tunnel lining segment - Google Patents
Device and method for simulating and testing water pressure in shield tunnel lining segment Download PDFInfo
- Publication number
- CN115420612A CN115420612A CN202211072544.XA CN202211072544A CN115420612A CN 115420612 A CN115420612 A CN 115420612A CN 202211072544 A CN202211072544 A CN 202211072544A CN 115420612 A CN115420612 A CN 115420612A
- Authority
- CN
- China
- Prior art keywords
- pressure
- steel
- support
- internal
- test device
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004088 simulation Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 109
- 239000010959 steel Substances 0.000 claims description 109
- 239000002775 capsule Substances 0.000 claims description 43
- 239000004568 cement Substances 0.000 claims description 29
- 229920002635 polyurethane Polymers 0.000 claims description 25
- 239000004814 polyurethane Substances 0.000 claims description 25
- 239000011376 self-consolidating concrete Substances 0.000 claims description 8
- 238000010998 test method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 241001417935 Platycephalidae Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to the field of underground shallow space water resource conveying engineering, and particularly relates to a device and a method for simulating water pressure in a shield tunnel lining segment. The device adopts the purpose-built gasbag of multiunit cooperation internal stay steelframe as the effect of pressing this normal plane load of pressure loading device simulation internal pressure, can effectively solve the end cap that adopts real water to bring and set up, demolish numerous problems such as difficulty, risk height and this test device simple structure, adopts common material, easy dismounting, with low costs effect is big, satisfies experimental demand.
Description
Technical Field
The invention belongs to the field of underground shallow space water resource conveying engineering, and particularly relates to a device and a method for simulating water pressure in a shield tunnel lining segment.
Background
The load born by the pressure water-conveying tunnel in the actual service process can be mainly divided into three parts, namely external soil pressure, external water pressure and internal water pressure, and in order to accurately simulate the actual complex stress state of the structure, various loads need to be applied respectively and can be independently controlled and corrected in real time. In the aspect of internal water pressure simulation, the arrangement and the dismantling of the plug are difficult and the risk is higher when a real water body is adopted in the test process.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device and the method for simulating the water pressure in the shield tunnel lining segment overcome the defects in the prior art, and effectively solve the problems of difficulty in setting and dismantling plugs, high risk and the like caused by the adoption of a real water body.
The technical solution of the invention is as follows:
a simulation test device for water pressure in a shield tunnel lining segment comprises a plurality of pillow-shaped internal-pressure capsules, an internal-bracing steel frame, an auxiliary steel ring, an annular steel base plate, a leveling support and a cement support;
the plurality of pillow-shaped internal pressure capsules are uniformly distributed on the inner surface of the auxiliary steel ring;
the cement support is of a circular ring structure, the leveling support is sleeved outside the cement support, the annular steel base plate is located above the cement support and the leveling support, the plurality of pillow-shaped internal pressing capsules and the auxiliary steel ring are located on the annular steel base plate, and the internal bracing steel frame is used for supporting the inner surface of the pillow-shaped internal pressing capsules.
Preferably, the simulation test device still include DN4800mm steel pipe, self-compaction concrete, D6m shield and construct the section of jurisdiction thickly, and the internal surface of the internal stay steelframe, the internal surface of supplementary steel ring, the internal surface of DN4800mm steel pipe all adhere to and have the polyurethane bed course.
Preferably, the installation method of the simulation test device comprises the following steps: the method comprises the steps of installing a cement support on the ground, installing a leveling support on the ground and sleeving the leveling support outside the cement support, paving an annular steel base plate on the leveling support and the cement support, installing a D6m shield segment and installing a DN4800mm steel pipe, pouring self-compacting concrete, bonding a polyurethane cushion layer on the inner surface of the DN4800mm steel pipe, paving the polyurethane cushion layer on the annular steel base plate, installing a pillow-shaped internal-pressure capsule on the inner surface of an auxiliary steel ring, and installing an internal-bracing steel frame on the inner surface of the pillow-shaped internal-pressure capsule.
Preferably, the self-compacting concrete is poured and cured for 26 to 30 days.
Preferably, when the polyurethane cushion layer is laid on the annular steel base plate, only the contact part with the lower surface of the pillow-shaped internal-pressure bag body is laid, the polyurethane cushion layer is completely adhered to the contact surface of the outer surface and the bag body before the internal-bracing steel frame is installed, and the polyurethane cushion layer is required to be completely adhered to the contact surface of the inner surface and the bag body before the auxiliary steel ring is installed.
Preferably, when the test is performed after the simulation test device is mounted, the pillow-shaped internal pressure bladder is inflated.
Preferably, the thickness of the D6m shield segment is 300mm.
A simulation test method for water pressure in shield tunnel lining segments is characterized in that the simulation test devices are uniformly distributed in the inner wall of a steel lining of a test structure, uniform distribution surface pressure of more than 0.8MPa is provided, the simulation test devices and a D4256 inner support steel frame are matched to form a pressure-bearing self-balancing system, and the upper parts of the simulation test devices freely expand to fully cover the inner wall of the steel lining to realize equivalent simulation of radial high internal water pressure.
Advantageous effects
(1) The device provided by the invention adopts a plurality of pillow-shaped internal pressure capsules and an internal support steel frame to serve as an internal pressure loading device to simulate the action of normal plane load of internal pressure, and can overcome the problems of difficult plug removal and high risk of a real water body;
(2) The polyurethane cushion layers are attached to the outer surface of the inner support steel frame, the inner surface of the auxiliary steel ring and the inner surface of the DN4800mm steel pipe, so that the surface of the pillow-shaped inner pressing bag body can be protected, and the periphery of the bag body is uniformly stressed in the inflating process.
(3) The installation method of the device adopts the mode of firstly installing the cement support and the leveling support and then installing the annular steel base plate and the pillow-shaped internal pressure capsule, so that the installation process is more reasonable and simple, and the pillow-shaped internal pressure capsule can be conveniently inflated during the test.
(4) When the testing device is installed, the self-compacting concrete after pouring is maintained for 26-30 days so as to be fully cured, and the duct piece and the DN4800mm steel pipe form an integral reinforced concrete stressed structure.
(5) When the test device provided by the invention is used for testing, the pillow-shaped internal pressure bag body is inflated, and the inflation amount is adjusted according to the simulated water pressure of the real water body, so that the test device can simulate the water pressure of different real water bodies, and the application range is wide.
(6) According to the test method, the simulation test devices are uniformly distributed in the inner wall of the steel lining of the test structure, the uniform distribution surface pressure of more than 0.8MPa is provided, and the simulation test devices are matched with the D4256 inner support steel frame to form a pressure-bearing self-balancing system, so that the requirement of fully covering the inner wall of the steel lining to realize equivalent simulation of radial high inner water pressure can be met.
Drawings
FIG. 1 is a cross-sectional view of a water pressure simulation test apparatus according to the present invention;
fig. 2 is a structural plan view of the water pressure simulation test device of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Examples
As shown in fig. 1 and 2, a test device for simulating water pressure in a shield tunnel lining segment adopts a plurality of groups of special air bags and an internal support steel frame as an internal pressure loading device to simulate the normal surface load of internal pressure;
the simulation test device comprises a plurality of pillow-shaped internal-pressure capsule bodies 1, an internal-bracing steel frame 2, an auxiliary steel ring 3, an annular steel base plate 4, a leveling support 5, a cement support 6, a polyurethane cushion layer 7, a DN4800mm steel pipe 8, self-compacting concrete 9 and a D6m shield segment with the thickness of 300mm10;
the pillow-shaped internal pressure capsules 1 are uniformly distributed on the inner surfaces of a DN4800mm steel pipe 8 and an auxiliary steel ring 3;
polyurethane cushion layers 7 are attached to the outer surface of the inner supporting steel frame 2, the inner surface of the auxiliary steel ring 3 and the inner surface of the DN4800mm steel pipe 8;
the cement support 6 is of a circular ring structure, the leveling support 5 is sleeved outside the cement support 6, the annular steel backing plate 4 is positioned above the cement support 6 and the leveling support 5, the pillow-shaped internal pressure capsule bodies 1 and the auxiliary steel ring 3 are positioned above the annular steel backing plate 4, the internal support steel frame 2 is used for supporting the inner surface of the pillow-shaped internal pressure capsule bodies 1, and the weight of the pillow-shaped internal pressure capsule bodies 1 is supported by the leveling support 5 and the cement support 6; the test device is simple in structure, convenient to assemble and disassemble and high in cost and effect due to the adoption of common materials, and meets the test requirements;
installing a cement support 6 on the ground, installing a leveling support 5 on the ground and sleeving the leveling support 5 outside the cement support 6, paving an annular steel backing plate 4 on the leveling support 5 and the cement support 6, installing a D6m shield segment 10 and installing a DN4800mm steel pipe 8, pouring self-compacting concrete 9 (needing to be maintained for 28 days), then adhering a polyurethane backing layer 7 on the inner surface of the DN4800mm steel pipe 8, paving a polyurethane backing layer 7 on the annular steel backing plate 4 (only the contact part with the lower surface of a pillow-shaped internal pressure capsule body is paved), installing an internal support steel frame 2 (the contact surface of the outer surface and the capsule body is required to be completely adhered with the polyurethane backing layer before the internal support steel frame is installed) on the inner surface of the pillow-shaped internal pressure capsule body 1, installing an auxiliary steel ring 3 on the outer surface of the pillow-shaped internal pressure capsule body 1 (the contact surface of the inner surface and the capsule body is required to be completely adhered with the polyurethane backing layer before the auxiliary steel ring is installed), and finally installing the pillow-shaped internal pressure capsule body 1;
test piece installation process: setting a line on a reinforced concrete ground, placing a reference line as a cement support 6 and a leveling support 5, wherein the cement support 6 is of a circular ring structure, the leveling support 5 is sleeved outside the cement support 6, an annular steel liner plate 4 is positioned above the cement support 6 and the leveling support 5, the placement position of the annular steel plate 4 is referred to the cement support, after the annular steel plate 4 is placed, the leveling support 5 is used for ensuring the level of the annular steel plate 4, the upper surface of the annular steel plate is set to be a reference for the placement positions of D6m shield segment thicknesses of 300mm10 and DN4800mm steel tubes 8, a D6m shield segment thickness of 300mm10 is hoisted to a designated position, the DN4800mm steel tubes 8 are hoisted to the designated position, a polyurethane cushion layer 7 is laid on the inner surface of the DN4800mm steel tubes 8 before the DN4800mm steel tubes 8 are hoisted, the method comprises the steps of preventing the surface of a pillow-shaped internal pressure capsule 1 from directly contacting with the inner surface of a DN4800mm steel pipe 8, pouring self-compacting concrete 9 (needing to be maintained for 28 days) between the D6m shield segment thickness 300mm10 and the DN4800mm steel pipe 8, laying a polyurethane cushion layer 7 (only laying the contact part with the lower surface of the pillow-shaped internal pressure capsule) on an annular steel cushion plate 4, installing an internal support steel frame 2 at a specified line drawing position (the polyurethane cushion layer is required to be completely pasted on the outer surface and the capsule contact surface before the internal support steel frame is installed), installing an auxiliary steel ring 3 (the polyurethane cushion layer is required to be completely laid on the inner surface and the capsule contact surface before the auxiliary steel ring is installed), enabling the inner diameter of the auxiliary steel ring 3 to be equal to the inner diameter of the DN4800mm steel pipe 8 and placing the auxiliary steel ring in an aligned mode, and finally uniformly laying the pillow-shaped internal pressure capsule 1 at the figure position, and starting a test after inflation. The test device is simple in structure, adopts common materials, is convenient to disassemble and assemble, has low cost and large effect, and meets the test requirements;
when the test is performed after the mounting, the pillow-shaped internal pressure bladder 1 is inflated.
A simulation test method for water pressure in shield tunnel lining segments comprises the following steps: the simulation test device is uniformly distributed in the inner wall of the steel lining of the test structure, provides uniform surface pressure of 0.8MPa or more, is matched with a D4256 inner support steel frame to form a pressure-bearing self-balancing system, the upper part of the simulation test device is allowed to freely expand to fully cover the inner wall of the steel lining so as to realize equivalent simulation of radial high inner water pressure,
the two ends of the pillow-shaped internal pressure capsule body 1 are flat heads, and the effective length under the unconfined condition is 4.7m (loose)/5.0 m (pressure bearing 1.5 MPa);
the length of the pillow-shaped internal pressure capsule body 1 is slightly higher than the height of a test structure, an auxiliary steel ring is additionally arranged above the test structure and used for restraining lateral expansion of the pillow-shaped internal pressure capsule body 1 beyond the structure part, in order to prevent a lining structure from bearing additional bending moment along the longitudinal direction, the lining structure and the auxiliary steel ring are not connected and are transited by a hard polyurethane cushion layer, the pillow-shaped internal pressure capsule body 1 is connected with a pressure supply device through a pipeline with a top end exposed part, and all the pillow-shaped internal pressure capsule bodies 1 are consistent in pressure and synchronously pressurized and depressurized.
12 pillow-shaped flexible capsules are uniformly distributed in the inner wall of the steel lining of the test structure to provide uniform surface pressure of 0.8MPa or more, and are matched with a D4256 internal support steel frame to form a pressure-bearing self-balancing system. The self weight of the capsules is supported by the cement support and the array leveling support together, the upper part of the capsules is allowed to expand freely to fully cover the inner wall of the lining steel pipe so as to realize equivalent simulation of radial high inner water pressure, and the capsules are fully distributed between the lining steel pipe and the lining steel pipe according to the principle of front-back and left-right symmetry. The two ends of each single capsule body are flat heads, and the effective length under the unconfined condition is 4.7m (loose)/5.0 m (pressure bearing 1.5 MPa). Because the length of the balloon body is slightly higher than the height of the test structure, an auxiliary steel ring is additionally arranged above the test structure and is used for restraining the lateral expansion of the balloon body beyond the structure part; in order to prevent the lining structure from bearing additional bending moment along the longitudinal direction, the lining structure is not connected with the auxiliary steel ring, and the lining structure is transited by a hard polyurethane cushion layer. The capsule body is connected with a pressure supply device through a pipeline of the exposed part at the top end. The 12 capsules are in the same pressure, and are synchronously pressurized and depressurized.
Claims (8)
1. The utility model provides a shield tunnel lining section of jurisdiction interior water pressure analogue test device which characterized in that:
the simulation test device comprises a plurality of pillow-shaped internal pressure capsules (1), an internal support steel frame (2), an auxiliary steel ring (3), an annular steel base plate (4), a leveling support (5) and a cement support (6);
the plurality of pillow-shaped internal pressure capsules (1) are uniformly distributed on the inner surfaces of a DN4800mm steel pipe (8) and an auxiliary steel ring (3);
the cement support (6) is of a circular ring structure, the leveling support (5) is sleeved outside the cement support (6), the annular steel base plate (4) is located above the cement support (6) and the leveling support (5), the pillow-shaped internal pressure capsule bodies (1) and the DN4800mm steel pipe (8) are located on the annular steel base plate (4), and the internal support steel frame (2) is used for supporting the inner surface of the pillow-shaped internal pressure capsule bodies (1).
2. The shield tunnel lining segment water pressure simulation test device according to claim 1, characterized in that:
the simulation test device still include DN4800mm steel pipe (8), self-compaction concrete (9), D6m shield and construct section of jurisdiction thickness (10), and the internal surface of the surface of internal stay steelframe (2), the internal surface of supplementary steel ring (3), the internal surface of DN4800mm steel pipe (8) all adhere to polyurethane cushion (7).
3. The shield tunnel lining segment water pressure simulation test device according to claim 2, characterized in that:
the installation method of the simulation test device comprises the following steps: the method comprises the steps of installing a cement support (6) on the ground, then installing a leveling support (5) on the ground and sleeving the leveling support (5) outside the cement support (6), paving an annular steel base plate (4) on the leveling support (5) and the cement support (6), installing a D6m shield segment (10) and installing a DN4800mm steel pipe (8), pouring self-compacting concrete (9), then bonding a polyurethane cushion layer (7) on the inner surface of the DN4800mm steel pipe (8), paving a polyurethane cushion layer (7) on the annular steel base plate (4), installing a pillow-shaped internal-pressure capsule (1) on the inner surface of an auxiliary steel ring (3), and then installing an internal-pressure steel frame (2) on the inner surface of the pillow-shaped internal-pressure capsule (1).
4. The shield tunnel lining segment water pressure simulation test device according to claim 3, characterized in that:
and curing for 26-30 days after the self-compacting concrete (9) is poured.
5. The device for simulating and testing the water pressure in the shield tunnel lining segment as claimed in claim 3 or 4, wherein:
when the polyurethane cushion layer (7) is laid on the annular steel base plate (4), only the contact part with the lower surface of the pillow-shaped internal-pressure bag body (1) is laid, the polyurethane cushion layer is completely adhered to the contact surface of the outer surface and the bag body before the internal-bracing steel frame (2) is installed, and the polyurethane cushion layer is required to be completely adhered to the contact surface of the inner surface and the bag body before the auxiliary steel ring is installed.
6. The device for simulating and testing the water pressure in the shield tunnel lining segment as claimed in claim 3 or 4, wherein:
when the simulation test device is installed and tested, the pillow-shaped internal pressure bag body (1) is inflated.
7. The shield tunnel lining segment internal water pressure simulation test device according to any one of claims 2 to 4, characterized in that:
the thickness of the D6m shield segment (10) is 300mm.
8. A simulation test method for water pressure in shield tunnel lining segments is characterized by comprising the following steps:
the simulation test device is uniformly distributed in the inner wall of the steel lining of the test structure, uniform distribution surface pressure of more than 0.8MPa is provided, the simulation test device is matched with the D4256 inner support steel frame to form a pressure-bearing self-balancing system, and the upper part of the simulation test device freely expands to fully cover the inner wall of the steel lining so as to realize equivalent simulation of radial high inner water pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211072544.XA CN115420612A (en) | 2022-09-02 | 2022-09-02 | Device and method for simulating and testing water pressure in shield tunnel lining segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211072544.XA CN115420612A (en) | 2022-09-02 | 2022-09-02 | Device and method for simulating and testing water pressure in shield tunnel lining segment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115420612A true CN115420612A (en) | 2022-12-02 |
Family
ID=84202375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211072544.XA Pending CN115420612A (en) | 2022-09-02 | 2022-09-02 | Device and method for simulating and testing water pressure in shield tunnel lining segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115420612A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729994B1 (en) * | 2005-12-20 | 2007-06-20 | 한국건설기술연구원 | Apparatus and method for tunnel lining section test |
| CN106353120A (en) * | 2016-09-06 | 2017-01-25 | 中国水利水电科学研究院 | Test device and test method capable of simulating water pressure in tunnel |
| CN108414363A (en) * | 2018-04-24 | 2018-08-17 | 华南理工大学 | A kind of experimental rig for simulating hydraulic pressure in water-conveyance tunnel height |
| CN210639026U (en) * | 2019-07-31 | 2020-05-29 | 中国建筑股份有限公司 | Pressure loading device in shield segment lining structure |
| CN113029760A (en) * | 2021-04-19 | 2021-06-25 | 华北水利水电大学 | Test device for simulating water pressure in tunnel lining |
| CN114813502A (en) * | 2022-03-30 | 2022-07-29 | 山东大学 | Multi-ring segment lining water leakage test device and method thereof |
-
2022
- 2022-09-02 CN CN202211072544.XA patent/CN115420612A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729994B1 (en) * | 2005-12-20 | 2007-06-20 | 한국건설기술연구원 | Apparatus and method for tunnel lining section test |
| CN106353120A (en) * | 2016-09-06 | 2017-01-25 | 中国水利水电科学研究院 | Test device and test method capable of simulating water pressure in tunnel |
| CN108414363A (en) * | 2018-04-24 | 2018-08-17 | 华南理工大学 | A kind of experimental rig for simulating hydraulic pressure in water-conveyance tunnel height |
| CN210639026U (en) * | 2019-07-31 | 2020-05-29 | 中国建筑股份有限公司 | Pressure loading device in shield segment lining structure |
| CN113029760A (en) * | 2021-04-19 | 2021-06-25 | 华北水利水电大学 | Test device for simulating water pressure in tunnel lining |
| CN114813502A (en) * | 2022-03-30 | 2022-07-29 | 山东大学 | Multi-ring segment lining water leakage test device and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈高敬: "高内压作用下叠合式衬砌结构承载机理足尺模型试验研究" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8783501B2 (en) | Cryogenic storage tank | |
| CN103899337B (en) | Wide tunnel waterproof board installation platform and installation method | |
| CN108344637A (en) | Shield duct piece mechanical simulation test device | |
| CN107806205B (en) | Mounting structure and mounting method of lining-free steel dome | |
| CN108414363A (en) | A kind of experimental rig for simulating hydraulic pressure in water-conveyance tunnel height | |
| CN113029760A (en) | Test device for simulating water pressure in tunnel lining | |
| CN109342698B (en) | Test platform and test method for simulating settlement of earth covering body on shield tunnel | |
| US4731915A (en) | Machinery support and method | |
| JP5894549B2 (en) | Formwork using thin jacks, seismic isolation device installation method and bridge support exchange method | |
| CN108333049B (en) | Test model and test method for loading and then excavating deep underground chamber | |
| CN108488535A (en) | A kind of inflatable sealing internal expension ring device for repairing underground piping infiltration | |
| CN203702156U (en) | Device for assisting shield tunneling machine in reaching receiving position | |
| CN115163120B (en) | Model test device and test method for shield tunnel lining | |
| CN208297257U (en) | A kind of water-conveyance tunnel experimental rig | |
| CN115326582A (en) | Test device and test method for simulating supporting and lining stress under large deformation and fault dislocation of soft rock | |
| CN115420612A (en) | Device and method for simulating and testing water pressure in shield tunnel lining segment | |
| CN209356218U (en) | Deep tunnel domain experimental rig | |
| CN113533155A (en) | Large-scale cavern water inrush simulation test device and method suitable for high-pressure water-rich karst area | |
| CN102261537A (en) | Pipeline interior repairing machine | |
| JP5870015B2 (en) | Seismic isolation device installation method and base isolation device installation structure for foundation pillars of existing buildings | |
| CN111608709A (en) | Yielding anchor rod suitable for soft rock large-deformation underground space and supporting method | |
| CN116609509A (en) | Novel compaction grouting test device and method for broken coal rock mass | |
| CN109682624A (en) | A kind of depth tunnel domain test method | |
| CN110700334A (en) | Rapid repairing method for fan foundation | |
| CN207181165U (en) | A kind of simple modular bag concrete support analogue means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20221202 |