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Method for analyzing influence of joint roughness on elastic modulus of rock

A technology of elastic modulus and impact analysis, which is applied in the fields of electrical digital data processing, CAD numerical modeling, design optimization/simulation, etc. It can solve the problems that rock elastic modulus and joint roughness have not yet been established, and have not been studied by anyone.

Inactive Publication Date: 2022-07-29
胡高建
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Problems solved by technology

Combining these two aspects, when joint roughness and rock size change simultaneously, the impact on rock elastic modulus has not been studied, especially the mathematical model of rock elastic modulus and joint roughness has not been established.

Method used

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  • Method for analyzing influence of joint roughness on elastic modulus of rock
  • Method for analyzing influence of joint roughness on elastic modulus of rock
  • Method for analyzing influence of joint roughness on elastic modulus of rock

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Embodiment Construction

[0057] The present invention will be further described below with reference to the accompanying drawings.

[0058] refer to Figure 1 to Figure 4 , the analysis method of the influence of joint roughness on the elastic modulus of rock, including the following steps:

[0059] 1) The basic conditions of numerical simulation are set, and the process is as follows:

[0060] 1.1: The theoretical basis of numerical simulation is rock uniaxial compression deformation theory;

[0061] 1.2: The software used for numerical simulation is numerical analysis software;

[0062] 1.3: Condition setting of numerical simulation, the process is as follows:

[0063] 1.3.1: Set the mechanical model to the plane stress model;

[0064] 1.3.2: Set the constraints as free surfaces on both sides of the model, no force, and the upper and lower surfaces of the model bear the load;

[0065] 1.3.3: Set the loading method as displacement loading on both sides of the model, the loading amount is 0mm, th...

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Abstract

A method for analyzing influence of joint roughness on rock elasticity modulus belongs to the field of analysis of influence factors of rock elasticity modulus, and comprises the following steps: (1) setting basic conditions of numerical simulation; (2) a numerical scheme of the influence of the joint roughness on the elastic modulus of the rock; (3) analyzing the influence of the joint roughness on the elastic modulus of the rock; and (4) establishing a mathematical model of the rock elasticity modulus and the joint roughness. According to the method, the numerical simulation scheme is set, the influence of the joint roughness on the rock elasticity modulus is analyzed, the mathematical model of the rock elasticity modulus and the joint roughness is established, and the method for analyzing the influence of the joint roughness on the rock elasticity modulus is provided and is suitable for analyzing the influence of the change of the joint roughness on the rock elasticity modulus.

Description

technical field [0001] The invention relates to a method for analyzing the influence of joint roughness on rock elastic modulus. In particular, the invention analyzes the influence of joint roughness on rock elastic modulus by setting a numerical simulation scheme, and establishes the relationship between rock elastic modulus and joint roughness. The mathematical model of the degree of hardness provides a method for analyzing the influence of joint roughness on rock elastic modulus, which belongs to the field of rock elastic modulus influencing factor analysis. Background technique [0002] The elastic modulus is one of the mechanical properties of rock, and there is a size effect on the elastic modulus. The existence of rough joints affects the elastic modulus of rock. In-depth study of the size effect of the elastic modulus of rough jointed rock has important theoretical and engineering practical significance for the stability of rock mass engineering. [0003] Joint rou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F111/10G06F119/02
CPCG06F30/20G06F2111/10G06F2119/02
Inventor 胡高建冯浩然梁文勖李玉
Owner 胡高建
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