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On Research Status of Surface Settlement of a Bored Subway Tunnel with a Shallow Overburden
(Shandong University of Science and Technology, Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation, Qingdao 266510)
Abstract Subway construction often encounters poor geological conditions, numerous interfering factors and com? plex environment. Surface settlement is a main problem related to the safety of bored tunnels with shallow overburdens. With the developing theory and technology of subway construction, further study on surface settlement control has been conducted regarding the prediction and management of surface settlement. Good research results have been achieved using empirical formulas, theoretical analysis, model tests and numerical simulation. In light of the current situation of surface settlement control, the deformation prediction, construction method, monitoring and information feedback were analyzed, and the direction for future development was proposed.
Abstract：
Subway construction often encounters poor geological conditions, numerous interfering factors and com? plex environment. Surface settlement is a main problem related to the safety of bored tunnels with shallow overburdens. With the developing theory and technology of subway construction, further study on surface settlement control has been conducted regarding the prediction and management of surface settlement. Good research results have been achieved using empirical formulas, theoretical analysis, model tests and numerical simulation. In light of the current situation of surface settlement control, the deformation prediction, construction method, monitoring and information feedback were analyzed, and the direction for future development was proposed.
2017, Vol. 54 