Abstract:
This paper introduces the development process, present status and direction of parallel highway tunnels separated by thin pillars in Sichuan province. It summarizes the technical essentials based on present research and experience and addresses methods for the improvement of support parameters, mid-rock-wall reinforcement, construction control and monitoring and measurement.
TIAN Zhi-Yu,
LIN Guo-Jin
.Summary of Developments and Technical Essentials of Parallel Tunnels Separated by Thin Pillars in Sichuan Province[J] MODERN TUNNELLING TECHNOLOGY, 2012,V49(1): 7-11