山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2015年
11期
51-53
,共3页
预掘回撤通道%围岩地质力学分析%支护设计参数%矿压监测
預掘迴撤通道%圍巖地質力學分析%支護設計參數%礦壓鑑測
예굴회철통도%위암지질역학분석%지호설계삼수%광압감측
pre-dig retracement channel%geomechanical analysis of surrounding rock%supporting the design parameters%mine pressure monitoring
斜沟煤矿23101工作面首次采用预掘回撤通道，通过围对岩结构窥视和围岩强度的测试，得出巷道顶板的破坏范围主要位于浅部2.4 m，煤帮部0~1.3 m范围内，确定了科学的支护设计，加强矿压观测，确保了矿井安全快速收尾的目的。
斜溝煤礦23101工作麵首次採用預掘迴撤通道，通過圍對巖結構窺視和圍巖彊度的測試，得齣巷道頂闆的破壞範圍主要位于淺部2.4 m，煤幫部0~1.3 m範圍內，確定瞭科學的支護設計，加彊礦壓觀測，確保瞭礦井安全快速收尾的目的。
사구매광23101공작면수차채용예굴회철통도，통과위대암결구규시화위암강도적측시，득출항도정판적파배범위주요위우천부2.4 m，매방부0~1.3 m범위내，학정료과학적지호설계，가강광압관측，학보료광정안전쾌속수미적목적。
Oblique coal mine 23101 working face for the ifrst time with pre-dug retracement passage through to peep around the rock structure and surrounding rock strength tests, the extent of damage the tunnel roof are mainly located in shallow 2.4m, with the help of the Ministry of coal within the range 0~1.3m to determine the scientiifc support designed to strengthen the rock pressure observation to ensure that the rapid closure of the mine safety purposes.
