Abstract:
CCauses of concrete cracking in the primary support were analyzed for an expressway tunnel. Pipe injection reinforcement was undertaken and measurement and monitoring were increased in the cracking area. Results showed that convergences and crown settlements of the tunnel were within the range permitted by specifications.
CHENG Hao,
ZHOU Jian-Chun
.Analysis of Primary Support Concrete Cracking Treatment and its Effects[J] MODERN TUNNELLING TECHNOLOGY, 2011,V48(4): 148-151