Jet-anchor Protecting and Dewatering
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摘要: 阐述了降水工作在喷锚支护中的地位及作用，分析了降水后地层的力学参数"φ"值的选取，水压力如何考虑以及锚杆的适宜长度等，提出了降水井的布设应考虑和应注意的问题。Abstract: The position and function of dewatering are expounded in the combined bolting and shotcrete protection. The option of mechanical parameter φ in the layer after dewatering and how to consider water pressure and the rational length of anchor etc. are analysed. The questions to be considered and paid attention to are put forward for the arrangement of dewatering wells.
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