Case Study on Influence of Step Blast-Excavation on Support Systems of Existing Service Tunnel with Small Interval

During the construction of newly built tunnel (NBT) adjacent to the existing service tunnel (EST), stability of the EST with small interval is affected by vibration waves which are caused by blasting load. The support structures of the EST will be cracked and damaged, while the unreasonable blast-ex...

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Bibliographic Details
Main Authors: Shaorui Sun, Ling Yue, Jimin Wu, Jin Liu, Jihong Wei
Format: Article
Language:English
Published: SAGE Publishing 2013-01-01
Series:Advances in Mechanical Engineering
Online Access:https://doi.org/10.1155/2013/257457