Shield-driven tunneling construction in soft soil induce ground and tunnel settlements, because of three main factors, such as the proper operation of grouting slurry, the enough quantity of slurry and the suitable pressure of grouting. Therefore, the key point is to master the distribution of grouting accurately in time during the construction period. Based on this background, this thesis presents the method using ground penetration radar (GPR) to take nondestructive detection on the distribution of grouti...
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