چکیده مقاله
In order to obtain the seismic dynamic laws of the acceleration and displacement of a shallow buried bifurcated tunnel, the analysis of the numerical simulation was carried outby MIDAS GTS/NX software The results of the numerical simulation were verified by a shaking table model test The results show that: 1 the numerical simulation and shakingtable test coincide with each other in terms of variation law and peak value The results of the numerical simulation are credible 2 For different tunnel cross section, the response of acceleration and displacement are significant difference 3 The seismic response of the small distance tunnel section 6 isintense The seismic response laws of the small distance tunnel are significant difference from other type tunnels The seismic response of the measuring point at the middle rock column is intense 4 Along the axis of the tunnel, the displacement of the tunnel firstly increases and then decreases The displacement of the measuring point at the middle rock column is intense, which is in accordance with the law of the acceleration response The seismic response laws of the tunnel are significantly affected by the middle rock column The section structure size has a significant effect on the dynamic response of the tunnel performance of underground structures has been gradually attached importance
نویسندگان
R Nodeh Farahani
Phd candidate, Department of Civil Engineering, University of Babol Technology,Babol, Iran
Gholamreza Abdollahzadeh
Professor, Department of Civil Engineering, Babol Noshirvani University of Technology, Babol, Iran
شیوه ارجاع
Farahani, R Nodeh and Abdollahzadeh, Gholamreza,1399,Acceleration and displacement dynamic response spectrum laws of a shallow-buried bifurcated tunnel in soft soil,6th International Conference on Innovation and Research in Engineering Sciences
ارائهشده در
مجموعه مقالات ششمین کنفرانس بین المللی نوآوری و تحقیق در علوم مهندسی10 تیر 1399