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Model for researching jointed rock slope, and manufacturing method of the model

A technology of jointed rock and a manufacturing method, which is applied in the field of geotechnical engineering to achieve the effects of simple structure, low cost and high success rate

Inactive Publication Date: 2013-04-17
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A slope model of similar materials produced by the present invention intends to solve problems such as the ratio of similar materials, the control of slope inclination, the control of model size and the production of joints, etc., and proposes a jointed rock quality that can be changed in a targeted manner Method for making similar material model of slope

Method used

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  • Model for researching jointed rock slope, and manufacturing method of the model
  • Model for researching jointed rock slope, and manufacturing method of the model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Make a slope model with a dip angle of 70° and a single joint.

[0026] (1) According to the material ratio gypsum: barite: sand: water = 3:1:2:3 Weigh all kinds of materials, add 0.5% boric acid in the water according to the mass ratio, and stir evenly. Mix the granular material evenly, add water, stir quickly and evenly.

[0027](2) The four parts of the side shaping device are made of steel bars, the upper and lower bottom panels are made of resin boards, and there are prefabricated grooves in the resin boards. The dimensions of this slope model are: the length of the bottom surface is 40cm, and the vertical distance between the top surface and the bottom surface is 30cm, controlled by components 2 and 3 respectively. The length of the top surface is 22cm, the length of the broken bottom surface is 11cm, the slope height is 20cm, and the slope angle is 70°. The slope height and slope angle are controlled by the shape and size of component 1. The joints a...

Embodiment 2

[0029] Example 2: Make a slope model with a dip angle of 60° and a single joint.

[0030] (1) According to the material ratio gypsum: barite: sand: water = 1:1:1:1 Weigh all kinds of materials, add 0.5% boric acid in the water according to the mass ratio, and stir evenly. Mix the granular material evenly, add water, stir quickly and evenly.

[0031] (2) The four parts of the side shaping device are made of steel bars, the upper and lower bottom panels are made of resin boards, and there are prefabricated grooves in the resin boards. The dimensions of this slope model are: the length of the bottom surface is 50cm, and the vertical distance between the top surface and the bottom surface is 40cm, controlled by components 2 and 3 respectively. The length of the top surface is 24cm, the length of the bottom surface of the slope is 13cm, the slope height is 25cm, and the slope angle is 45°. The slope height and slope angle are controlled by the shape and size of component 1. The j...

Embodiment 3

[0033] Example 3: Make a slope model with a dip angle of 45° and a single joint.

[0034] (1) According to the material ratio gypsum: barite: sand: water = 2:1:1:2 Weigh various materials, add 0.5% boric acid in the water according to the mass ratio, and stir evenly. Mix the granular materials evenly, add water, stir quickly and evenly.

[0035] (2) The four parts of the side shaping device are made of steel bars, the upper and lower bottom panels are made of resin boards, and there are prefabricated grooves in the resin boards. The dimensions of this slope model are: the length of the bottom side is 65cm, and the vertical distance between the top surface and the bottom surface is 50cm, controlled by components 2 and 3 respectively. The length of the top surface is 25cm, the length of the bottom surface of the slope is 12cm, the slope height is 30cm, and the slope angle is 60°. The slope height and slope angle are controlled by the shape and size of component 1. The joints a...

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Abstract

The invention discloses a model for researching jointed rock slope, and a manufacturing method of the model. The cross section of the model is a hexagon, the top surface, the bottom surface of the slope and the bottom surface are parallel to each other, the slope exists between the top surface and the bottom surface of the slope, the variation range of the side slope tilt angle is 30-75 degrees, the side face between the top surface and the bottom surface is perpendicular to the top surface and the bottom surface respectively, and the side face between the bottom surface of the slope and the bottom surface is perpendicular to the bottom surface of the slope and the bottom surface respectively. The manufacturing method comprises configuration of rock-like materials, joint manufacturing, model setting and maintenance. Based on regulation of the proportions of the materials, the materials with different strength characteristics can be formed; a side face setting apparatus of the model is composed of strip-shaped moulds connected by bolts, the upper bottom surface and the lower bottom surface are made of plates, and the size of the side slope model and the side slope tilt angle are controlled by the moulds; and the joints in the model are formed by inserting soft and weak sheets in an etching groove. The model manufactured by the manufacturing method is simple in structure and low in manufacturing cost, and can be used for researching the influence of the joints in different forms and different positions on side slope failure mechanism.

Description

technical field [0001] The invention belongs to the field of geotechnical engineering, and relates to a model of a joint rock slope and a preparation method thereof. technical background [0002] my country is a country with frequent occurrence of geological disasters, with various types and wide distribution range, among which the disaster caused by slope collapse is the most serious. In rock mass engineering such as water conservancy, transportation and open-pit mining, there are a large number of rock slopes, especially in open-pit mining, with the increase of mining depth, many extra large high and steep rock slopes are gradually formed. The rock mass is composed of structural planes and structural bodies. The existence of structural planes makes the structure of the rock mass complex and the strength is greatly reduced; in rock slopes, the existence of joints often has a decisive effect on the stability of the slope. The instability and failure of rock slopes usu...

Claims

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Application Information

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IPC IPC(8): G09B25/06
Inventor 曹平范文臣张科
Owner CENT SOUTH UNIV
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