深斜井施工中的导井堵塞问题试验研究

wf(2019)

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Abstract
水利水电建设中斜井开挖施工常会遇到导井溜渣堵塞的问题,处理时相当耗时且危险,导井内壁糙率、井内石渣堆积长度、导井设计倾角对斜井施工溜渣堵塞问题影响很大,因此应用多元回归分析法建立了溜渣时的导井临界倾角预测模型,在施工中满足导井开挖偏移和井壁糙率时,结合已有导井开挖堵塞实例,计算出利于深斜井导井溜渣的最优设计角度约为60°,可供未来导井倾角设计参考.
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