Research on Upgrading of Efficient Processing and Utilization Technologies for Complex Red Layer Slurries in Super-large Diameter Slurry Shield
Taking the Haizhuwan Tunnel Project in Guangzhou as an example,a technical upgrade study was con-ducted on the treatment and utilization of complex red layer mudstone and siltstone slurry in ultra large diameter slurry shield engineering.Optimization and upgrading strategies were proposed to address the problems of repeated treatment processes,separation and utilization processes,and low intelligence level in the project.A centralized and integrated conditioning strategy for slag slurry has been proposed for the issue of repeated processing techniques.By integrating equipment or modules with similar or identical functions in existing processes,an efficient integrated slag slurry treatment process and equipment system have been constructed.A coupling conditioning strategy by geopolymer based flocculants and solidifying agents was proposed to solve the issue of separation and process sepa-ration utilization.Under the coagulation and solidification of geopolymer based materials,the sand and mud compo-nents in the complex red layer slag slurry can form high-performance wall grouting mortar and flow filling material respectively.Aiming at the problem of low intelligence level,a fusion algorithm based on point cloud,image and near-infrared spectroscopy is proposed to improve the intelligence level of slag slurry treatment process.This study serves the treatment and utilization of ultra large diameter slurry shield,and provide reference for related projects.
super-large diameter slurry shieldcomplex red layerslurry treatmentprocess upgraderesource u-tilization
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