Dynamic Mechanical Characteristics and Fracture Size Effect of Coal Sandstone Under High-Temperature and High-Strain Rate Coupling Action

Dynamic Mechanical Characteristics and Fracture Size Effect of Coal Sandstone Under High-Temperature and High-Strain Rate Coupling Action

The deformation control of surrounding rock in the combustion air zone is crucial for the safety and efficiency of underground coal gasification (UCG) projects. Coal-bearing sandstone, a common surrounding rock in UCG chambers, features a brittle structure composed mainly of quartz, feldspar, and cl...

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Bibliographic Details
Main Authors: Ming Li, Fuqiang Zhu, Yiwen Mao, Fangwei Fan, Boyuan Wu, Jishuo Deng
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Fractal and Fractional
Subjects:
coal sandstone
real-time high temperature
dynamic mechanical characterization
fractal dimension
energy dissipation rate
Online Access:https://www.mdpi.com/2504-3110/9/6/381
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