Research on the treatment process and resource recovery for metro shield tunneling residue
The rapid development of metro construction in China has led to a rapid increase in the production of shield tunneling residue,making it a key issue that urgently needs to be addressed in the urban development.The selection of shield tunneling residue treatment system is of great significance for the resource recovery of shield tunneling residue.Based on the case of Xiamen metro lines 3 and 4,this article conducts an in-depth analysis of the shield tunneling residue treatment system,and analyzes the physical properties of the treated sands and gravels,mud cake,raw water products.The results show that the optimized shield tunneling residue treatment process proposed in the article can meet the conditions for resource recovery and provide direction for similar engineering construction.And then,the article summarizes the existing ways of resource recovery of shield tunneling residue and classifies their reuse ways,laying the foundation for the resource recovery of shield tunneling residue in this research project and similar projects.
metroshield tunneling residueresource recoverydisposalgreen building materials
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