Soil Pressure Balance Shield Receiving of Water-Rich Formation Research on Construction Technology of Secondary Grouting(Hoop)
As the shield construction technology is more and more mature,now the underground space construction of shield construction technology is more and more widely used,the site according to the drawings well construction and shield propulsion,when receiving shield,to reduce the risk of rich water formation shield receiving,in general,the need to shield tail for secondary grouting,the term"hoop",according to different construction technology,secondary grouting material is also different,its fundamental purpose of which is to stop water and reduce the risk of shield machine receiving.
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