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超前探水及什么情况下必须探水 | 2011-7-30 10:54:00
超前探水及什么情况下必须探水
超前探水指在某些地区,不能确保没有水害威胁时,在采掘工作之前必须进行探水,进一步探明水文情况,确切掌握水源的位置和距离。这是预防突然涌水的重要措施。所以,《煤矿安全规程》规定,每一矿井必须作好水害分析预报,坚持有疑必探、先探后掘的探放水原则。
采掘工作面遇到下列情况之一时,必须确定探水线,进行探水,确认无透水危险后,方可前进。
(1)接近水淹或可能积水的井巷、老空或小煤矿时;
(2)接近水文地质复杂的区域,并有出水征兆时;
(3)接近含水层、导水断层、溶洞和陷落区时;
(4)打开隔离煤柱放水时;
(5)接近可能同河流、湖泊、水库、蓄水池、水井等相通的断层破碎带时;
(6)接近有出水可能的钻孔时;
(7)接近有水或稀泥的灌浆区时;
(8)底板原始导水裂隙有透水危险时;
(9)接近其它可能出水地区时。

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