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Rock Mechanics and Rock Engineering

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06-09-2020 | Original Paper

Experimental Technology for the Shear Strength of the Series-Scale Rock Joint Model

Authors: Man Huang, Chenjie Hong, Shigui Du, Zhanyou Luo

Published in: Rock Mechanics and Rock Engineering | Issue 12/2020

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Abstract

The primary objective of this work is to improve our understanding of the scale effect of the joint shear behavior. Attempts are made to combine different proposed methods with the multiscale joint shear test. First, a new type of rock-like material made from a mixture of raw materials is used to simulate rock joints. Then a new sampling method is used with the progressive coverage statistical method for the representative sampling of actual joints, and an inverse controlling technology is designed with an invented series of multiscale molds for the construction of a similar surface model in series scale (100 mm × 100 mm to 1000 mm × 1000 mm). Finally, the independently developed multiscale direct shear tester is used to measure the shear behavior of joint replicas. The quality of results shows the capacity of this experimental technology in investigating the scale effect of the joint shear behavior.

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Title: Experimental Technology for the Shear Strength of the Series-Scale Rock Joint Model
Authors: Man Huang
Chenjie Hong
Shigui Du
Zhanyou Luo
Publication date: 06-09-2020
Publisher: Springer Vienna
Published in: Rock Mechanics and Rock Engineering / Issue 12/2020
Print ISSN: 0723-2632
Electronic ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-020-02241-w

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