High Efficiency and Low Carbon Grouting Technology of Large Diameter Shield
The function of synchronous grouting of shield is to fill and consolidate the space between the shield segment and the excavation section at a faster rate.This project upgrades the technology of traditional single-liquid grouting of shield tunneling:By making use of the internal space of the large-diameter shield machine,the space design of the shield machine is optimized,the habit of setting the slurry mixing station on the ground is changed,and the integrated system of"making-injection"is developed and configured on the shield machine platform car,so that the slurry conveying distance is"zero",the cleaning function of the double-liquid grouting pipe is added,and a monitoring system is developed,which enables the slurry preparation,storage and injection to be automatic.Precise control of double liquid mix ratio.The use of this technology eliminates the vehicle transportation of slurry ground mixing station and slurry in the tunnel,effectively solves the problems of land use,disturbance and environmental protection of the ground mixing station in dense areas of the city,and has better environmental protection and social benefits.
国家科技期刊平台
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