Three-dimensional physical model test method

A model test and three-dimensional physics technology, which is applied in the field of three-dimensional physical model test, can solve the problems of difficult simulation and realization of the test model, and achieve the effect of realistic simulation effect and appropriate inclination angle

Active Publication Date: 2018-05-04
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] These actual production situations, the existing simple physical model test model is difficult to simulate and realize

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Example 1: Roadway Excavation Simulation

[0069] The method for simulating roadway excavation by using the above-mentioned three-dimensional physical model test device comprises the following steps:

[0070] Step 1: Construct the reaction frame A0 and build the model device:

[0071] To construct the reaction force frame A0, a plurality of parallel rectangular large steel plates A6 with a horizontal plane angle α are arranged on the cubic frame surface A11, and a plurality of parallel rectangular small steel plates A7 are arranged between two rectangular large steel plates A6.

[0072] A rock mass model A12 is set in the reaction frame A0, and a vertical loading system A15, a horizontal front-back loading system A14, and a horizontal left-right loading system A13 are installed.

[0073] Set the vertical loading system A15, the horizontal front-back loading system A14, and the horizontal left-right loading system A13 to load pressure on the rock mass model A12.

[007...

Embodiment 2

[0083] Example 2: Simulation of coal seam horizontal and inclined mining

[0084] The method for simulating horizontal coal seam mining by using the above-mentioned three-dimensional physical model test device comprises the following steps:

[0085] Steps 1-3: Consistent with the simulated roadway excavation in Embodiment 1. Until the excavation of the first roadway is completed.

[0086] Step 4: Remove the next small rectangular steel plate A7 adjacent to the removed first small rectangular steel plate A7.

[0087] Step 5: Repeat steps 2 to 4 to complete the working face advancement simulation.

[0088] In this embodiment, the adjacent small rectangular steel plates A7 are sequentially removed, so that a full recovery simulation can be performed on a simulated working face between two large rectangular steel plates A6 on the cube frame surface A11.

[0089] If necessary, the above steps can be repeated for another row of rectangular small steel plates A7 between the other ...

Embodiment 3

[0091] Embodiment 3: mining simulation of metal ore caving method

[0092] Steps 1-4: Consistent with the simulated roadway excavation in Embodiment 1; until the excavation of the first roadway is completed. The following steps are then taken to simulate metal ore caving mining production:

[0093] Step 5: Manipulate the vertical loading system A15, the horizontal front-back loading system A14, and the horizontal left-right loading system A13, control and generate vibration, and simulate an on-site blasting of a working face.

[0094] The jacks that control each loading system cooperate with each other to simulate an on-site blasting, which is the "ore falling" in actual production.

[0095] Step 6: directly discharge the rock mass model A12 fragments formed by the vibration.

[0096] The rock mass model A12 fragments formed by the vibration are the "ores" that have collapsed in the simulation of actual production; after the "ores" are discharged, this simulation is completed,...

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Abstract

The invention relates to a three-dimensional physical model test method.The method includes the following steps that a plurality of large rectangular steel plates parallel with one another are arranged on a cubic framework face, and a plurality of small rectangular steel plates distributed side by side are arranged between energy two large rectangular steel plates, wherein the included angle between the large rectangular steel plates and the horizontal plane is alpha; a rock mass model is arranged in a reaction frame, and a vertical loading system, a horizontal front-and-back loading system and a horizontal left-and-right loading system are installed; one or more small rectangular steel plates are dismantled at a simulated roadway tunneling position; a roadway tunneling face is formed, wherein the included angle between the roadway tunneling face and the horizontal plane is alpha; an excavation robot is put in the position where the small rectangular steel plates are dismantled or the rock mass model is excavated to a target position in a manual simulation mode till simulated excavation of a first roadway is completed.Through the simulation test, excavation can be directly performed manually or simulated through the robot, and automatic excavation of the simulated roadway and working face stoping are achieved.By means of the method, a reliable test means can be provided for accurately revealing the surrounding rock evolution law in roadway excavation and working face stoping.

Description

technical field [0001] The invention belongs to the technical field of a three-dimensional physical model test device for rock mechanics, and in particular relates to a three-dimensional physical model test method. Background technique [0002] With the development of the social economy and the needs of the national economy, the construction of underground mines and tunnels has shifted to the deep, and the research focus of rock mechanics has increasingly shifted to the underground. In the fields of mining engineering and hydropower engineering, the length, span and buried depth of underground roadways are also increasing. Therefore, the stress adjustment process and stability of the surrounding rock caused by roadway excavation under complex geological conditions become more important, while on-site surrounding rock monitoring requires more manpower, material and financial resources, and the workload is large and the cycle time is large. However, the change and stress distr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 周辉胡明明张勇慧张传庆高阳卢景景黄磊魏天宇
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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