Preparation device of random oriented multi-set joints rock bridge samples and method thereof

A technology for sample preparation in any orientation, which is applied in the preparation of test samples, etc., can solve the problems of difficult operation, low precision, and inability to obtain rock mass samples containing multiple groups of joints, etc., and achieves high practicability, high precision, The effect of solving practical engineering problems

Active Publication Date: 2016-04-06
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods have low precision, are not easy to operate, and cannot obtain rock mass samples containing multiple groups of joints.

Method used

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  • Preparation device of random oriented multi-set joints rock bridge samples and method thereof
  • Preparation device of random oriented multi-set joints rock bridge samples and method thereof
  • Preparation device of random oriented multi-set joints rock bridge samples and method thereof

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Experimental program
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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0036] Such as Figure 1 to Figure 5 As shown, a sample preparation device for multiple groups of jointed rock bridges in any orientation includes an I-shaped guide rail (1), a fixed plate (4), an L-shaped bracket (6), an angle control device and an inserting device (21); The lower part of the preparation device is composed of two pairs of parallel I-shaped guide rails (1) and rods (3). The inner diameter of the square surrounded by the I-shaped guide rails (1) and the rods (3) is the same as the inner diameter of the sample box, L The shaped bracket (6) is nested on the I-shaped guide rail (1), the angle control device is fixed on the L-shaped bracket (6), and the inserting device (21) is fixed on the angle control device by fastening screws, which jointly constitute the structure of the device. basic structure;

[0037] The bottom surface of the I-shaped ...

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Abstract

The invention discloses a preparation device of random oriented multi-set joints rock bridge samples. The preparation device comprises I-shaped guide rails, a dead plate, L-shaped supports, angle control devices and insert devices. The lower part of the preparation device is composed of two parallelly-arranged pairs of I-shaped guide rails and rod pieces. A square formed by the I-shaped guide rails and the rod pieces has the same inner diameter as a sample box. The L-shaped supports are nested in the I-shaped guide rails. The angle control devices are fixed on the L-shaped supports. The insert devices are fixed on the angle control devices through fastening screws. Thus, all the above components together form a basic structure of the device. In comparison with the prior art, the invention has the following advantages: the device is practical and simple, and can manufacture multi-sets of joints; manufactured samples can be used in direct shear tests and true triaxial tests; and the device is convenient to use, has high precision and high practicability, and is adopted to achieve objectives of really stimulating joints, enhancing work efficiency, reducing experimental errors, optimizing test results and solving practical engineering problems.

Description

technical field [0001] The invention relates to a sample joint preparation device in civil and hydropower engineering tests, in particular to a sample preparation device and method for a rock bridge with multiple groups of joints in any orientation. Background technique [0002] In all kinds of engineering construction, including architectural engineering, structure engineering, underground engineering, municipal engineering, traffic engineering and water conservancy engineering, etc., it is necessary to consider the strength of engineering joint rock mass. Natural rock mass is usually in a certain stress state, divided by structural planes, with discontinuity and inhomogeneity, and easily penetrated by joints in any direction. The rock mass in actual engineering forms joints with different properties under various complex geological actions, which is of great significance to the study of the failure mechanism of rock mass under various stress states. Therefore, it is parti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 陈国庆罗飞宇张黎明叶丽媛李志波黄润秋
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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