Failure behavior of jointed rock masses containing a circular hole under compressive-shear load: Insights from DIC technique

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成果类型：

期刊论文

作者：

Lin, Qibin;Zhang, Shenchen;Lin, Hang;Zhang, Ke;Fan, Wenchen;...

通讯作者：

Lan, M

作者机构：

[Shao, Zuliang; Zhang, Shenchen; Lin, Qibin; Lan, Ming] Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Lin, Hang; Huang, Chao] Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Peoples R China.

[Zhang, Ke] Kunming Univ Sci & Technol, Fac Elect Power Engn, Kunming 650500, Peoples R China.

[Zhang, Ke] Hebei Univ Technol, Sch Civil & Transportat Engn, Tianjin 300401, Peoples R China.

[Fan, Wenchen] Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha 410004, Peoples R China.

通讯机构：

[Lan, M ] U

Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Jointed rock mass;Compressive-shear load;Strain field evolution;Digital image correlation;Pixel evolution model

期刊：

Theoretical and Applied Fracture Mechanics

ISSN：

0167-8442

年：

2025

卷：

139

页码：

105089

DOI：

10.1016/j.tafmec.2025.105089

基金类别：

CRediT authorship contribution statement Qibin Lin: Writing – original draft, Project administration, acquisition. Shenchen Zhang: Visualization, Validation, Software. Hang Lin: Formal analysis, Data curation, Conceptualization. Ke Zhang: Visualization, Validation, Software. Wenchen Fan: acquisition, Data curation. Chao Huang: Validation, Software. Zuliang Shao: Investigation, acquisition. Ming Lan: Writing – review & editing, Validation, Supervision.

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

The instability of jointed rock masses under compressive-shear loading poses significant challenges to the safety of underground engineering structures. This study investigates the crack propagation mechanism in jointed rock masses with a circular hole using compressive-shear tests and digital image correlation (DIC) analysis. Cement mortar specimens with varying joint dip angles were designed to simulate jointed rock masses. The results reveal that joint dip governs strain field evolution and failure modes: specimens with 30° and 75° joints ...

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Failure behavior of jointed rock masses containing a circular hole under compressive-shear load: Insights from DIC technique

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