CN209894618U - Indoor model experimental equipment for simulating tunnel disturbed by surrounding rock - Google Patents
Indoor model experimental equipment for simulating tunnel disturbed by surrounding rock Download PDFInfo
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- CN209894618U CN209894618U CN201822230543.9U CN201822230543U CN209894618U CN 209894618 U CN209894618 U CN 209894618U CN 201822230543 U CN201822230543 U CN 201822230543U CN 209894618 U CN209894618 U CN 209894618U
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Abstract
The utility model provides an indoor model experimental facilities that simulation tunnel receives country rock disturbance, belongs to tunnel test field equipment, and the indoor model experimental facilities that simulation tunnel received country rock disturbance includes equipment portable base, is used for the laboratory bench of simulation experiment, comprises toughened glass material for the aviation. The indoor model experiment equipment for simulating the tunnel disturbed by the surrounding rock further comprises a measuring tool and a data processing system. The measuring tool is used for measuring the stress and strain of the surrounding rock area of the rock body, and the temperature and the impact force of the surrounding rock. The data processing system includes a memory device that accepts and stores measurement data fed back by the measurement tool. The indoor model experiment equipment for simulating the disturbance of the surrounding rock of the tunnel can be used for simulating the initial ground stress with various distribution characteristics encountered by the surrounding rock of the tunnel under different temperature conditions in the underground engineering problem. Simple and practical, high reusability and the like.
Description
Technical Field
The utility model relates to a tunnel experimental facilities field particularly, relates to an indoor model experimental facilities that simulation tunnel receives country rock disturbance.
Background
The indoor model experiment equipment for the tunnel disturbed by the surrounding rock is an important content of a physical model experiment, initial ground stress with various distribution characteristics is often encountered in the tunnel excavation process, and the mechanical characteristics can be simulated by a good model experiment platform through simple operation, so that the requirement of subsequent engineering development is met. The existing simulation equipment has a relatively complex structure, is difficult to operate and is difficult to arrange data.
SUMMERY OF THE UTILITY MODEL
The utility model aims at simulating the influence degree of stress strain and impact force to the tunnel under the condition of surrounding rock disturbance under different temperature conditions, and the indoor model experimental equipment that a simulation tunnel received the surrounding rock disturbance is proposed.
In order to test the above purpose, the utility model discloses a following method realizes:
the utility model provides a simulation tunnel receives indoor model experimental facilities of country rock disturbance for the deformation characteristic of simulation tunnel under receiving surrounding rock mass effort, its characterized in that the simulation tunnel receives indoor model experimental facilities of country rock disturbance includes:
the test bench is configured to fix the test bench of the sample rock body, and the test bench is provided with enough accommodating space which is configured to accommodate the sample rock body;
a transparent material configured to wrap the sample rock mass;
a loading tool configured to provide ambient pressure expanded cement to the rock;
a measurement tool configured to measure stress strain and temperature of a surrounding rock region of a rock body;
a data processing system for storing data fed back by the measurement tool.
In particular, the experiment bench is of a cylindrical structure.
Particularly, the experiment bench is made of tempered glass materials for aviation.
In particular, the radius of the test rock mass is at least 3d of the simulated tunnel radius.
In particular, the loading tool is a time-varying expansive cement.
In particular, the transparent material is a material for ensuring the integrity of the sample rock mass.
In particular, the measuring apparatus includes means for measuring the effect of expansive cement on the expansion of the rock mass of the test sample at different temperatures.
The utility model provides an indoor model experimental facilities that simulation tunnel receives surrounding rock disturbance, includes the aforesaid indoor model experimental facilities that simulation tunnel receives surrounding rock disturbance.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings which are needed to be used in the implementation will be briefly described below, it should be understood that the following drawings only illustrate some practical cases of the present invention, and therefore should not be considered as a definition of the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an indoor model experimental facility for simulating disturbance of a tunnel by surrounding rocks, which is provided by the novel method;
FIG. 2 is a schematic front section view of an indoor model experimental facility for simulating tunnel disturbance by surrounding rocks according to the novel proposal;
FIG. 3 is a schematic top view of the novel indoor model experimental facility for simulating tunnel disturbance by surrounding rocks;
in the figure, 1 expansion cement placing groove, 2 transparent material placing grooves, 3 sample rock mass placing grooves, 4 strain gauges, 5 experiment racks, 6 temperature sensors, 7 sensor supports, 8 tunnel simulation holes and 9 impact sensors are arranged.
Detailed Description
To achieve the objects and advantages of the embodiments of the present invention, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. The described embodiments are only some, but not all embodiments of the invention.
Based on the foregoing, the utility model provides a simulation tunnel receives indoor model experimental facilities of country rock disturbance to through digging the hole earlier, back loading external force is tested, so that the simulation tunnel receives the distribution condition of confined pressure
The embodiment provides indoor model experimental equipment for simulating disturbance of surrounding rocks of a tunnel, which is designed according to a similar principle and by combining with actual engineering characteristics and can be used for researching the deformation characteristics of the tunnel under the pressure of surrounding rocks.
The indoor model test equipment for simulating the disturbance of the tunnel by the surrounding rock comprises a measuring tool and a data processing system, wherein the measuring tool comprises a strain gauge and is used for measuring the stress strain of the rock; a temperature sensor for measuring the temperature of the confining pressure; and the impact sensor is used for measuring the change condition of the surrounding rock when the surrounding rock is possibly impacted by the pressure of the expansive cement. The data processing system is a computer-based workstation that includes memory. Further, the workstation also has simulation software. Such as FLAC3D software. The rock mass is simulated by solid units and is an elastic model.
Referring to fig. 1, an indoor model experiment equipment that simulation tunnel receives country rock disturbance, model experiment equipment includes test bench 5 main part, measuring tool and data processing system, drill the sample rock mass, it is 3d of tunnel simulation hole aperture at least to satisfy sample rock mass diameter, wrap up the sample rock mass with transparent material 2, ensure the tightness of sample rock mass parcel, place the sample rock mass in test bench 5's sample rock mass standing groove 3, stir expansion cement, pour expansion cement along sample rock mass all around, it highly satisfies 3/4h ~ h of sample rock mass to pour finally, lay foil gage 4, temperature sensor 6, impact sensor 9, open temperature sensor 6, impact sensor 9
The utility model discloses in, the test bench is toughened glass for the aviation, satisfies the intensity scope of experimental requirement, and the sample rock mass is wrapped up with transparent material is tight, ensures the sample rock mass not with expansion cement direct contact, guarantees the integrality of sample rock mass.
Claims (8)
1. The utility model provides a simulation tunnel receives indoor model experimental facilities of country rock disturbance for the deformation characteristic of simulation tunnel under receiving surrounding rock mass effort, its characterized in that the simulation tunnel receives indoor model experimental facilities of country rock disturbance includes:
the test bench is configured to fix the test bench of the rock mass, the test bench is provided with enough accommodating space, and the accommodating space is configured to accommodate the rock mass;
a transparent plastic configured to encase the rock mass;
a loading tool configured to provide ambient pressure expanded cement to the rock;
a measurement tool configured to measure stress strain and temperature of a surrounding rock region of a rock body;
a data processing system for storing data fed back by the measurement tool.
2. The indoor model experiment equipment for simulating the disturbance of the tunnel by the surrounding rocks as claimed in claim 1, wherein the experiment bench is of a cylindrical structure.
3. The indoor model experiment equipment for simulating tunnel disturbance by surrounding rocks as claimed in claim 1, wherein the experiment bench is made of tempered glass material for aviation.
4. The indoor model experiment equipment for simulating the disturbance of the surrounding rock of the tunnel according to claim 1, wherein the radius of the experiment rock mass is at least 3d of the radius of the simulated tunnel.
5. The indoor model experiment equipment for simulating the disturbance of the tunnel by the surrounding rocks as claimed in claim 1, wherein the loading tool is time-varying expansive cement.
6. The indoor model experiment equipment for simulating tunnel disturbance by surrounding rocks as claimed in claim 1, wherein the transparent plastic is a material for ensuring integrity of a sample rock mass.
7. An indoor model experiment device for simulating the disturbance of a tunnel by surrounding rocks as claimed in claim 1, wherein the measuring tool comprises a measuring tool for measuring the influence of expansion cement on the expansion of the sample rock mass at different temperatures.
8. The indoor model experiment equipment for simulating the tunnel disturbance by the surrounding rocks as claimed in claim 1, which is characterized by comprising the indoor model experiment equipment for simulating the tunnel disturbance by the surrounding rocks as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230543.9U CN209894618U (en) | 2018-12-28 | 2018-12-28 | Indoor model experimental equipment for simulating tunnel disturbed by surrounding rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230543.9U CN209894618U (en) | 2018-12-28 | 2018-12-28 | Indoor model experimental equipment for simulating tunnel disturbed by surrounding rock |
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| Publication Number | Publication Date |
|---|---|
| CN209894618U true CN209894618U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822230543.9U Expired - Fee Related CN209894618U (en) | 2018-12-28 | 2018-12-28 | Indoor model experimental equipment for simulating tunnel disturbed by surrounding rock |
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| CN (1) | CN209894618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335955A (en) * | 2020-04-23 | 2020-06-26 | 招商局重庆交通科研设计院有限公司 | Cold region tunnel temperature field remote automatic monitoring method and system |
| CN113188913A (en) * | 2021-04-26 | 2021-07-30 | 三峡大学 | Device for obtaining error of hydrofracturing geodesic stress and testing method |
-
2018
- 2018-12-28 CN CN201822230543.9U patent/CN209894618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335955A (en) * | 2020-04-23 | 2020-06-26 | 招商局重庆交通科研设计院有限公司 | Cold region tunnel temperature field remote automatic monitoring method and system |
| CN113188913A (en) * | 2021-04-26 | 2021-07-30 | 三峡大学 | Device for obtaining error of hydrofracturing geodesic stress and testing method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20201228 |