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Rock-like sample manufacturing mold and using method thereof

A technology for rock samples and molds, which is applied in the field of making molds for rock-like samples, can solve the problems that the original rock cannot be prefabricated with multiple cracks, etc., and achieves the effects of good sealing and convenient operation.

Pending Publication Date: 2021-02-12
WUHAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a mold for making double-crack or multi-crack rock samples of different sizes and orientations and its use method, which can effectively solve the problem that the original rock cannot be prefabricated with multiple cracks due to the limitation of cutting technology

Method used

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  • Rock-like sample manufacturing mold and using method thereof
  • Rock-like sample manufacturing mold and using method thereof
  • Rock-like sample manufacturing mold and using method thereof

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Embodiment Construction

[0040] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] The embodiment of the present invention discloses a rock-like sample production mold with adjustable crack size and orientation and its use method, which can effectively solve the problem that the original rock cannot be prefabricated with double cracks or multiple cracks due to the limitation of cutting technology. Determination of fracture mechanisms, crack size effects, and crack orientation effects in solid rock materials.

[0042]A mold for making a rock sample, including a bottom plate 1, a side plate 2, a splint 3, a t...

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Abstract

The invention discloses a rock-like sample manufacturing mold which comprises a bottom plate, side plates, clamping plates, transverse positioning pieces, longitudinal positioning pieces, steel sheetfixing pieces and prefabricated crack steel sheets, the side plates, the clamping plates and the bottom plate form a rock-like sample pouring space, and the transverse positioning pieces, the longitudinal positioning pieces and the steel sheet fixing pieces jointly form a crack positioning assembly for positioning of fracture locations. The mold has the characteristics of being simple in structure, convenient to operate, good in sealing performance and capable of controlling different sizes and orientations of the double fractures, can effectively solve the problem that an original rock sampleis difficult to prefabricate multiple fractures due to the limitation of a cutting technology, and is used for analogy research on a fracture mechanism, the crack size effect and the crack orientation effect of a fracture-containing solid rock material.

Description

technical field [0001] The invention relates to the technical field of mold making, and more specifically relates to a rock-like sample making mold and a method for using the same. Background technique [0002] In rock mass engineering, a large number of unloading fissures will be generated under the action of weathering or excavation in the surrounding rock, and the development of the fissures will lead to disasters such as landslides and collapses. These disasters are closely related to the development state and evolution process of the internal fissures in the surrounding rock. It is of great significance to study the strength and deformation characteristics of fractured rock mass and the influence of initial damage such as cracks and joints on its mechanical properties. However, it is difficult to select cracked rocks of different sizes and orientations for outdoor tests to make cracked specimens. Indoor use of molds to make rock-like samples with prefabricated cracks is...

Claims

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Application Information

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IPC IPC(8): G01N1/36
CPCG01N1/36G01N2001/366
Inventor 叶义成周栋胡南燕王为琪谭文侃崔旭阳黄建彬李雪雪
Owner WUHAN UNIV OF SCI & TECH
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