[建筑]冷凍鑿井法在豎井中的應用(已修改)
2025-08-29 01:41 本頁面
【正文】 冷凍鑿井法在田興鐵礦1副井的研究與應用 呂斌 孟軍良（河北鋼鐵集團礦業(yè)公司司家營田興鐵礦）摘 要：司家營田興鐵礦1副井井筒直徑6m，井口標高+,深706m，外壁350mm內(nèi)壁400m,基巖段平均厚度126m。通過采用技術成熟的冷凍法鑿井技術，不破壞第四系含水層的情況下，安全有效的通過了該地層、并對基巖段風化巖裂隙水的流動得到了很好的控制。也為此類的地層冷凍法鑿井提供了寶貴的經(jīng)驗。關鍵詞：冷凍鑿井技術；冷凍孔；交圈；TheResearch and Application of FreezingShaft SinkingMethod Using in TianXingIron 1Auxiliary ShaftLvBin Ming Junliang (Mining Company of HebeiIron and Steel Group,Si JiayingTianXingiron ore)Abstract: In the 1auxiliary shaft of Si JiayingTian Xing Iron Ore, the shaftdiameter is 6m,the elevationof wellhead is +,the depthis 646m, the outerwall is 350, the inner wall is400m,the averagethickness of therock sectionis 126m. Through the use ofmature technologyoffreezingshaft sinking techniques, thestrata can be get through safely and effectively, also the weathered rocksection ofbedrockfissure waterflowhas beenalso well controlled in the case of not destroy theQuaternaryaquifer. Besides, this technologyhas provided valuableexperience for such groundfreezing
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