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Research on the reinforcement measures of close-parallel tunnels
E3S Web of Conferences
Based on shallow parallel underground tunnel and double-line shield tunnel of Jinan Rail Transit Line R3, this paper proposes two reinforcement measures including bored piles and curtain grouting in the middle of the tunnel, making a numerical analysis and comparison of the reinforcement effect. The results show that the influence of later tunnel construction on the deformation of earlier tunnel can be effectively reduced after taking two reinforcement measures respectively and the reinforcement effect of the bored piles is better.doi:10.1051/e3sconf/202019802030 fatcat:x4ndj2n5ljhl7lhmfe3krcab74