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Equivalent materials simulation experimental study on bed separations developing and mining subsidence in constant humidity and constant temperature conditions

引用

Journal of Coal Science & Engineering(China) 2008年第4期14卷 585-590页

作者：付志亮王素华高延法 School of Resources DeveloPment & Managment Engineering Anhui University of Science &TechnologyHuainan 232001China College of Chemical and Environmental Engineering Shandong University of Science and TechnologyQingdao 266510China College of Hydraulic and Civil Engineering Shandong Agricultural UniversityTai'an 271018China Geotechnical mechanics Research Center China University of Mining &TechnologyBeijing 100083China

A new experiment was made on the developing of bed separations and mining subsidence from Tangshan T2192 working face by equivalent materials *** overburden deformation and the developing of bed separations with working face advanc- ing was simulated by a new *** results show that the maximum value of bed separations moved forward gradually along with the working face advancing;the maxi- mum value of bed separations is 0.31～0.50 times of mining *** key strata have a great influence upon surface subsidence during the overburden movement *** mechanics parameters of new experiment are fitted with results in fields perfectly.

关键词： subsidence bed separations constant humidity constant temperature equivalent simulation experiment

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Study on dynamic numerical simulation of overburden movement mining under railways

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Journal of Coal Science & Engineering(China) 2008年第1期14卷 29-33页

作者：王素华付志亮廖俊展高延法 College of Hydraulic and Civil Engineering Shandong Agricultural UniversityTai'an 271018China College of Natural Resources and Environmental Engineering Shandong University of Science and TechnologyQingdao 266510China School of Resources Development & Managment Engineering Anhui University of Science & TechnologyHuainan 232001China Zibo Mining Industry Group Zibo 255120China Geotechnical Mechanics Research Center China University of Mining &Technology(Beijing)Beijing 100083China

Focused upon the dynamic changing regularity and tendency of overburden movement and bed separation developing during the strip mining and stoping under rail- ways were simulated by ANSYS *** results show that movement and rheology developing of key strata is one of the main reasons to cause surface subsidence and to further induce deformation of surface *** provids a basis for taking efficient meas- ures to control the deformation of surface railways.

关键词： mining subsidence bed separations dynamic numerical simulation miningunder railways strip mining

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