Search Results - Dawei Yin

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    Multifield evolution characteristics of underground coal gasification under dynamic evolution of combustion zone

    Multifield evolution characteristics of underground coal gasification under dynamic evolution of combustion zone by Dawei YIN, Xiaotian YUAN, Guanglei ZHOU, Lin XIN, Zesen ZHOU, Zihan WANG

    Published 2025-06-01

    As a comprehensive utilization technology of clean coal, underground coal gasification has become a strategic direction of innovation in harmless coal mining technology under the background of dual carbon. In order to study the multi-field coupling changes of coal seam overlying strata temperature f...

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    Properties of the self-expanding cement-based grouting material and its application

    Properties of the self-expanding cement-based grouting material and its application by Shouqian Sheng, Dawei Yin, Xiao Qu, Hongfa Ma, Faxin Li, Xiushan Li

    Published 2025-09-01

    Aiming at the problems of large water-cement ratio and self-shrinkage of stone body in traditional cement-based grouting materials, the self-expanding cement-based grouting material was taken as the research object. Firstly, the comprehensive influence of expansion agent, water-reducing agent, retar...

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