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Experimental Study on Lateral Permeability Evolution of Sandstone under Seepage-Damage Coupling
المؤلفون المشاركون
Xu, Dongjing
Pang, Dongdong
Feng, Feisheng
Jiang, Guanghui
Wang, Xiaohan
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-10-29
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
To analyze the internal pore evolution law of aquifer rock in a coal mining front under the coupling effect of stress and seepage and the influence on the water inrush performance of the working face, research on the working face was conducted to improve the RTR-1000 high-temperature and high-pressure rock triaxial mechanical testing system, using hollow cylindrical and complete sandstone samples and by considering the stress change law in the actual mining process as the reference loading path.
At the initial stage of loading, the permeability of sandstone demonstrates a rapid downward trend within a small range of stress change, with a decline rate of 50%.
At lower permeabilities, the fluctuation is small; the plastic and failure stages are transient, and the relationship curve between the horizontal permeability and the axial confining pressure of sandstone is divided into compaction, multiple fluctuations, surrender, and failure.
In several stages, the sandstone lateral permeability experiment under the coupling effect of stress and seepage demonstrates that the permeability of the aquifer in the coal mining front is significantly reduced after the original rock stress is disturbed by mining, suggesting that the water inrush calculation of the traditional water-flowing fractured zone and caving zone aquifer rock permeability experiment is inaccurate.
Further research can deepen the stress and seepage coupling evolution process under the action of working face water inrush.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Pang, Dongdong& Feng, Feisheng& Jiang, Guanghui& Xu, Dongjing& Wang, Xiaohan. 2020. Experimental Study on Lateral Permeability Evolution of Sandstone under Seepage-Damage Coupling. Advances in Civil Engineering،Vol. 2020, no. 2020, pp.1-8.
https://search.emarefa.net/detail/BIM-1124391
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Pang, Dongdong…[et al.]. Experimental Study on Lateral Permeability Evolution of Sandstone under Seepage-Damage Coupling. Advances in Civil Engineering No. 2020 (2020), pp.1-8.
https://search.emarefa.net/detail/BIM-1124391
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Pang, Dongdong& Feng, Feisheng& Jiang, Guanghui& Xu, Dongjing& Wang, Xiaohan. Experimental Study on Lateral Permeability Evolution of Sandstone under Seepage-Damage Coupling. Advances in Civil Engineering. 2020. Vol. 2020, no. 2020, pp.1-8.
https://search.emarefa.net/detail/BIM-1124391
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1124391
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