摘要
本文针对铁路下保护煤柱开采后,所形成的地表移动盆地实际存在的局部二次塌陷现象进行了分析,并建议制定专门的开采保护煤柱的设计和施工规范。
This paper analyzes the second-partial caving in the subsidence trough which formed after mining the protective coal pillar under railways.It also suggests to draft a special norm for the design and construction of mining protective coal pillar
出处
《山东矿业学院学报》
CAS
1991年第1期27-40,共14页
Journal of Shandong University of Science and Technology(Natural Science)
关键词
煤柱
保护煤柱
盆地
塌陷
地表移动
protective coal pillar
subsidence trough
second-partial coving
