Synchronous grouting system and method for intelligent shield tunneling experiment

• Main Authors: GAO HUIZHONG, CHEN RUIXIANG, GUO LU, ZHANG BIN, ZHANG HEPEI, QIN YINPING, WANG KAI, LI FENGYUAN
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention discloses a synchronous grouting system and method for an intelligent shield tunneling experiment, and relates to the technical field of tunnel engineering and shield equipment manufacturing, and the synchronous grouting system comprises a grouting pump used for pumping and injecting slurry for the experiment, and a slurry storage cylinder used for simulating a closed grouting space formed among a shield tail, a duct piece and surrounding rock, the gas storage tank is used for adjusting the internal pressure of the slurry storage cylinder and simulating the water and soil pressure of the stratum at the grouting position, the metering pump is used for accurately controlling the slurry discharging flow of the slurry storage cylinder and the shield tunneling speed to keep a linear relation, and the slurry tank is used for storing slurry for experiments; the synchronous grouting system has the beneficial effects that the synchronous grouting system can carry out development and test experiments of a