Study on the Construction Technology of Controlled Membrane Bag Grouting in Urban Subway Tunnel
In order to overcome the difficulty of urban subway tunnel excavation and the serious water leakage of the subsequent lining,the construction technology of controlled membrane bag grouting is creatively adopted to solve the problem of poor effect of traditional grouting tech-nology.The membrane bag grouting technology not only realizes purposeful and extensive grouting,but also achieves high pressure grouting through the effective integration with the advanced small conduit construction process and the restriction and control of membrane belt,which greatly improves the grouting quality.
Membrane bag groutingUrban subway tunnelGrouting for pluggingLithificationGrouting pipe
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