神华科技
神華科技
신화과기
Northwest Coal
2015年
6期
19-23,38
,共6页
复合煤层%小煤柱%应用
複閤煤層%小煤柱%應用
복합매층%소매주%응용
Compound Coal Seam%Small Pillar%Application
金能煤业分公司2#煤属于典型的复合煤层,在以往的掘进及回采过程中回顺的变形比较严重,需要投入很大的财力、物力进行巷道维修、加固,解决回顺支护困难,减少巷道变形.本文通过对小煤柱分析,巷道断面、形状选择,支护参数、规格和参数的选定,并通过巷道矿压观测,从巷道的变形量控制等方面,做了深刻的剖析和阐述.
金能煤業分公司2#煤屬于典型的複閤煤層,在以往的掘進及迴採過程中迴順的變形比較嚴重,需要投入很大的財力、物力進行巷道維脩、加固,解決迴順支護睏難,減少巷道變形.本文通過對小煤柱分析,巷道斷麵、形狀選擇,支護參數、規格和參數的選定,併通過巷道礦壓觀測,從巷道的變形量控製等方麵,做瞭深刻的剖析和闡述.
금능매업분공사2#매속우전형적복합매층,재이왕적굴진급회채과정중회순적변형비교엄중,수요투입흔대적재력、물력진행항도유수、가고,해결회순지호곤난,감소항도변형.본문통과대소매주분석,항도단면、형상선택,지호삼수、규격화삼수적선정,병통과항도광압관측,종항도적변형량공제등방면,주료심각적부석화천술.
Jinneng Mine Branch Company 2# is a typical"compound"coal seam,it shapes seriously on tun-neling and recovery,which needs to put into financial and material resources to maintain as well as strength-en roadway to prevent shaping.The paper analyzes small pillar,tunnel cross-section,shape choice,support index and standard,observes strata behavior of roadway to control shaping roadway.
