The influence of moisture on the frost heave characteristics of gas-containing coal

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成果类型：

期刊论文

作者：

Wang, Qiao;Luo, Qiong;Chen, Yong;Wang, Weijun;Wang, Zhaofeng;...

通讯作者：

Chen, Y

作者机构：

[Wang, Weijun; Li, Shuqing; Wang, Qiao; Ma, Hongyu; Luo, Qiong; Chen, Yong; Luo, Yafei] Hunan Univ Sci & Technol, Sch Resource & Environm & Safety Engn, Xiangtan 411201, Hunan, Peoples R China.

[Wang, Zhaofeng; Wang, Qiao] Henan Polytech Univ, State Key Lab Cultivat Base Gas Geol & Gas Control, Jiaozuo 454150, Henan, Peoples R China.

[Wang, Qiao] Anhui Univ Sci & Technol, Engn Technol Res Ctr Safe & Efficient Coal Min, Huainan 232000, Peoples R China.

[Wu, Kuan] Hunan City Univ, Coll Civil Engn, Yiyang 413000, Hunan, Peoples R China.

通讯机构：

[Chen, Y ] H

Hunan Univ Sci & Technol, Sch Resource & Environm & Safety Engn, Xiangtan 411201, Hunan, Peoples R China.

语种：

英文

期刊：

Physics of Fluids

ISSN：

1070-6631

年：

2025

卷：

期：

页码：

083326

DOI：

10.1063/5.0277466

基金类别：

Henan Polytechnic University10.13039/501100003488 [W2024B01]; State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Henan Polytechnic University [SECM2402]; Engineering Technology Research Center for Safe and Efficient Coal Mining, Anhui University of Science and Technology [24B0443]; Scientific research project of Hunan Provincial Department of Education [52304214]; National Natural Science Foundation of China

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Refrigeration technology provides a new method for preventing coal and gas protrusions. In this study, the freeze-thaw characteristics of gas-containing coal under various moisture conditions (0%–20%) were investigated through experiments conducted on an independently constructed freeze-thaw simulation platform for gas-containing coal. The results mainly include: 1) The cooling curves of externally watered coal samples exhibit four stages: rapid cooling, constant phase change, slow cooling and final constant temperature. The dry coal samples s...

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The influence of moisture on the frost heave characteristics of gas-containing coal

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