典型文献
Influence of backfilling rate on the stability of the"backfilling body-immediate roof'cooperative bearing structure
文献摘要：
To reduce the cost of backfilling coal mining and utilize the underground space of coal mines,a new back-filling mining method with low backfilling rate called constructional backfilling coal mining(CBCM)is proposed.The"backfilling body-immediate roof'cooperative bearing structure of CBCM is analyzed by establishing the model of the medium thick plate on an elastic foundation.The influence of the backfilling rate on the stability of overlying strata is analyzed by the numerical simulation experiment.The control effect of CBCM is verified by a physic similar simulation test.The economic benefit of CBCM is analyzed.The conclusions are:the deformation characteristics of the immediate roof and critical backfilling spacing in CBCM can be analyzed based on the Hu Haichang's theory.Exerting the bearing capacity of the imme-diate roof is beneficial to the stability of the overlying strata.The CBCM has a good control effect on the overburden in Xinyang Mine when the backfilling rate is lower than 25％.The backfilling cost of per ton coal is 37.39 yuan/t when the backfilling rate is 13.7％,with a decrease rate of 56.63％than the full-filling.The research results can provide theoretical support for the application of CBCM in coal mining.
文献关键词：
中图分类号：
作者姓名：
Xianjie Du;Guorui Feng;Min Zhang;Zehua Wang;Wenhao Liu
作者机构：
College of Mining Engineering,Taiyuan University of Technology,Taiyuan 030024,China;Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering,Taiyuan 030024,China;Key Laboratory of Shanxi Province for Mine Rock Strata Control and Disaster Prevention,Taiyuan 030024,China;State Key Laboratory for GeoMechanics and Deep Underground Engineering,China University of Mining and Technology,Xuzhou 221116,China;Zhengzhou Coal Industry(Group)Co,Ltd,Zhengzhou 450007,China;College of Civil Engineering,Taiyuan University of Technology,Taiyuan 030024,China
文献出处：
引用格式：
[1]Xianjie Du;Guorui Feng;Min Zhang;Zehua Wang;Wenhao Liu-.Influence of backfilling rate on the stability of the"backfilling body-immediate roof'cooperative bearing structure)[J].矿业科学技术学报（英文版）,2022(06):1197-1206
A类：
constructional,CBCM,Haichang,Exerting,Xinyang
B类：
Influence,backfilling,rate,stability,body,immediate,roof,cooperative,bearing,structure,To,reduce,cost,coal,mining,utilize,underground,space,mines,new,method,called,proposed,analyzed,by,establishing,model,medium,thick,plate,elastic,foundation,influence,overlying,strata,numerical,simulation,experiment,control,effect,verified,physic,similar,test,economic,benefit,conclusions,are,deformation,characteristics,critical,spacing,can,Hu,theory,capacity,beneficial,has,good,overburden,Mine,when,lower,than,ton,yuan,decrease,full,research,results,provide,theoretical,support,application
AB值：
0.377876
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