Influence of external insert Angle on structural deformation of long pipe shed with shallow hole
Chao teng Jiang,
Wei Mao,
Yongkang Zhang
et al.
Abstract:The long pipe shed advanced support has the characteristics of large construction difficulty, wide support range, and easy deviation. The difference in construction dip angle will produce a different plastic zone of surrounding rock and supporting effects, and the rationality of advanced support design plays an important role in the safety of tunnel opening excavation. Based on the Tianshan Tunnel project, this paper aims at the problems of the loose pebble layer structure, poor cohesion, strong permeability, … Show more
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