CN109882193B - Cyclic internal pressure loading method for large-size simulation roadway support body - Google Patents
Cyclic internal pressure loading method for large-size simulation roadway support body Download PDFInfo
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- CN109882193B CN109882193B CN201910275340.8A CN201910275340A CN109882193B CN 109882193 B CN109882193 B CN 109882193B CN 201910275340 A CN201910275340 A CN 201910275340A CN 109882193 B CN109882193 B CN 109882193B
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Abstract
A cyclic internal pressure loading method of a large-size simulation roadway support body comprises a cyclic internal pressure loading method and a pressure detection method, wherein the cyclic internal pressure loading method and the pressure detection method comprise a loading liquid bag and a loading liquid 2, a rigid support body 3, a loading part 4 and a pressure detection system 5. The loading liquid bag and the loading liquid 2 are positioned on the inner side of the roadway support body to provide uniform pressure; the rigid support body 3 is positioned at the inner sides of the loading liquid bag and the loading liquid 2, so that the loading liquid bag is prevented from deforming towards the inner side, and the pressure of the loading liquid is kept; the loading component 4 is positioned on the rigid support body 3 to change the volume of the loading liquid and change the pressure of the loading liquid; the pressure detection system 5 is positioned at one end of the loading liquid bag and one end of the loading liquid 2 to measure and display the loading liquid pressure. The method can effectively simulate the cyclic internal pressure of the roadway support body, and carry out experimental research on the cyclic internal pressure borne by the roadway support.
Description
Technical Field
The invention relates to the field of experiments, in particular to a cyclic internal pressure loading method for a large-size simulation roadway support body.
Background
After the mine resources are exhausted, the disposal of the abandoned mine is very difficult. The maintenance cost is high after the mine is closed, and secondary disasters can be caused. The construction of underground energy storage power station by using abandoned mine roadway and shaft is another new way to close mine and recover new growth. The method can play the available value of the abandoned mine, create certain economic benefit for coal mine enterprises, simultaneously is beneficial to reducing the occurrence of secondary disasters after the abandoned mine is closed, and greatly reduces the investment of maintenance cost after the mine is closed.
The energy storage power station achieves the purpose of energy storage and power generation through gas pressure change. The permanent support body needs to bear the cyclic change of gas pressure, and a cyclic internal pressure loading method for a large-size simulation roadway support body is designed for researching the capacity of the roadway permanent support body for bearing cyclic loading and unloading internal pressure.
Disclosure of Invention
The invention aims to provide a cyclic internal pressure loading method of a large-size simulation roadway support body, which comprises a cyclic internal pressure loading method and a pressure detection method and aims to solve the experimental verification problem that the roadway support bears cyclic internal pressure. In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a cyclic internal pressure loading method for a large-size simulation roadway support body comprises a cyclic internal pressure loading method and a pressure detection method, wherein the cyclic internal pressure loading method and the pressure detection method comprise a loading liquid bag, a loading liquid, a rigid support body and a loading component. The loading liquid bag and the loading liquid level are arranged on the inner side of the simulation roadway support body to provide uniform pressure; the rigid support body is positioned at the inner side of the loading liquid bag to support the loading liquid bag so as not to be damaged; the loading component is positioned on the rigid support body to realize volume change of the loaded liquid and change the pressure of the liquid; the pressure detection system is positioned at one end of the loading liquid bag to realize hydraulic measurement and display.
Preferably, the liquid loading bag is made of a flexible liquid isolating material.
Preferably, the loading liquid is a liquid with certain compressibility.
Preferably, the rigid support is a rigid high-strength material.
Preferably, the loading member is a movable member.
Preferably, the pressure detection system comprises a pressure sensor and a pressure display.
The application of the cyclic internal pressure loading method of the large-size simulation roadway support body in the field of simulation experiments is disclosed.
The invention relates to a cyclic internal pressure loading method of a large-size simulation roadway support body, which is different from the prior art in that: according to the cyclic internal pressure loading method for the large-size simulation roadway support body, the loading liquid bag and the loading liquid can provide uniform pressure which is easy to change; the rigid support body can support the loading liquid bag so that the loading liquid bag is not deformed to one side of the rigid support body; the loading component can change the volume of the loaded liquid and change the pressure of the liquid; the pressure detection system can measure the loading hydraulic pressure and display the measurement result.
The invention has the following beneficial effects:
1. the flexible liquid-isolating loading liquid bag has good deformability and high pressure bearing capacity.
2. The loading part can generate larger displacement and has higher rigidity.
3. The pressure detection system can detect the pressure of the loading liquid, and is convenient for controlling the stress of the simulation roadway support body.
Drawings
Fig. 1 is a structural example diagram of the present invention.
In the figure: the system comprises a roadway support body 1, a loading liquid bag 2, a loading liquid, a rigid support body 3, a loading part 4 and a pressure detection system 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings:
as shown in fig. 1, the method for loading the cyclic internal pressure of the large-size simulation tunnel supporting body comprises a cyclic internal pressure loading method and a pressure detection method, wherein the cyclic internal pressure loading method and the pressure detection method comprise a loading liquid bag and a loading liquid 2, a rigid supporting body 3, a loading part 4 and a pressure detection system 5. The loading liquid bag and the loading liquid 2 are positioned on the inner side of the roadway support body to provide uniform pressure; the rigid support body 3 is positioned at the inner sides of the loading liquid bag and the loading liquid 2, so that the loading liquid bag is prevented from deforming towards the inner side, and the pressure of the loading liquid is kept; the loading component 4 is positioned on the rigid support body 3 to change the volume of the loading liquid and change the pressure of the loading liquid; the pressure detection system 5 is positioned at one end of the loading liquid bag and one end of the loading liquid 2 to measure and display the loading liquid pressure.
The loading liquid bag is made of flexible liquid-proof material.
The loading liquid is a liquid with certain compressibility.
The rigid support body is made of rigid high-strength materials.
The loading member is a movable member.
The pressure detection system comprises a pressure sensor and a pressure display.
The application of the cyclic internal pressure loading method of the large-size simulation roadway support body in the field of simulation experiments is disclosed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the embodiments and the specific embodiments described above. Various changes and modifications can be made to the invention without departing from the spirit and scope of the invention, which should be limited only by the appended claims.
Claims (5)
1. A cyclic internal pressure loading method of a large-size simulation roadway support body comprises a cyclic internal pressure loading method and a pressure detection method, wherein the cyclic internal pressure loading method and the pressure detection method comprise a loading liquid bag and a loading liquid (2), a rigid support body (3), a loading part (4) and a pressure detection system (5); the loading liquid bag and the loading liquid (2) are positioned on the inner side of the roadway support body to provide uniform pressure; the rigid support body (3) is positioned at the inner sides of the loading liquid bag and the loading liquid (2) to ensure that the loading liquid bag does not deform inwards and the loading liquid pressure is kept; the loading component (4) is positioned on the rigid support body (3), and is a movable component so as to change the volume of the loading liquid and change the pressure of the loading liquid; the pressure detection system (5) is positioned at one end of the loading liquid bag and one end of the loading liquid (2) to measure and display the loading liquid pressure.
2. The cyclic internal pressure loading method according to claim 1, wherein: the loading liquid bag and the loading liquid bag in the loading liquid (2) are flexible liquid isolating materials, and the loading liquid is liquid with compressibility.
3. The cyclic internal pressure loading method according to claim 1, wherein: the rigid support body is made of rigid high-strength materials.
4. The cyclic internal pressure loading method according to claim 1, wherein: the pressure detection system comprises a pressure sensor and a pressure display.
5. The application of the cyclic internal pressure loading method in the field of large-size simulation roadway support body experiments is characterized in that: the cyclic internal pressure loading method is the cyclic internal pressure loading method according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910275340.8A CN109882193B (en) | 2019-04-08 | 2019-04-08 | Cyclic internal pressure loading method for large-size simulation roadway support body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910275340.8A CN109882193B (en) | 2019-04-08 | 2019-04-08 | Cyclic internal pressure loading method for large-size simulation roadway support body |
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| CN109882193A CN109882193A (en) | 2019-06-14 |
| CN109882193B true CN109882193B (en) | 2021-10-01 |
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Citations (6)
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| CN108590703A (en) * | 2018-04-19 | 2018-09-28 | 陈胜玉 | Tunnel arch and its installation method with elastic slip casting bag |
| CN108775252A (en) * | 2018-07-26 | 2018-11-09 | 淮南矿业(集团)有限责任公司 | The supporting construction and method for protecting support in Deep Soft Rock tunnel |
| CN208187858U (en) * | 2018-04-04 | 2018-12-04 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of thick cyclinder roadway surrounding rock destroys and supporting imitative experimental appliance |
| CN108984807A (en) * | 2017-06-04 | 2018-12-11 | 陕西彬长文家坡矿业有限公司 | A kind of coal mine down-hole tunnel deformation monitoring method |
| CN109026106A (en) * | 2018-08-27 | 2018-12-18 | 天地科技股份有限公司 | The working condition simulation method and Work condition analogue testing stand of Bolt System |
| CN109115632A (en) * | 2018-09-30 | 2019-01-01 | 河南理工大学 | The comprehensive shearing experiment device of anchoring body and its experimental method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865921B (en) * | 2016-05-06 | 2018-09-25 | 安徽理工大学 | Spray concrete supporting spray-up loading method in a kind of large scale simulation tunnel |
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- 2019-04-08 CN CN201910275340.8A patent/CN109882193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108984807A (en) * | 2017-06-04 | 2018-12-11 | 陕西彬长文家坡矿业有限公司 | A kind of coal mine down-hole tunnel deformation monitoring method |
| CN208187858U (en) * | 2018-04-04 | 2018-12-04 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of thick cyclinder roadway surrounding rock destroys and supporting imitative experimental appliance |
| CN108590703A (en) * | 2018-04-19 | 2018-09-28 | 陈胜玉 | Tunnel arch and its installation method with elastic slip casting bag |
| CN108775252A (en) * | 2018-07-26 | 2018-11-09 | 淮南矿业(集团)有限责任公司 | The supporting construction and method for protecting support in Deep Soft Rock tunnel |
| CN109026106A (en) * | 2018-08-27 | 2018-12-18 | 天地科技股份有限公司 | The working condition simulation method and Work condition analogue testing stand of Bolt System |
| CN109115632A (en) * | 2018-09-30 | 2019-01-01 | 河南理工大学 | The comprehensive shearing experiment device of anchoring body and its experimental method |
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