Mechanical Characteristics of Pre-Peak Unloading Damage and Mechanisms of Reloading Failure in Red Sandstone

Mechanical Characteristics of Pre-Peak Unloading Damage and Mechanisms of Reloading Failure in Red Sandstone

The mining of deep coal resources occurs in a high-stress geological environment as well as an engineering environment of rock excavation and unloading. Research on the re-bearing capacity characteristics and damage mechanism of rock masses damaged by peak front unloading is critical in revealing th...

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Bibliographic Details
Main Authors: Yongjian Zhu, Peng Li, Ping Wang, Chengcheng Mei, Heng Ren, Xizhi Wang
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Applied Sciences
Subjects:
unloading damage
uniaxial reloading
mechanical properties
fracture volume strain
failure mechanism
Online Access:https://www.mdpi.com/2076-3417/12/24/13046

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