SIMPLIFIED SISMIC ANALYSIS OF “T TYPE” NON-CIRCULAR TUNNELS (In Turkish)


Berilgen M. M. , Kurtuldu L.

Prof. Dr. Kutay ÖZAYDIN Onuruna Geoteknikte Gelişmeler ve Deneyimler Sempozyumu, İstanbul, Turkey, 02 June 2014, pp.20-32

  • Publication Type: Conference Paper / Full Text
  • City: İstanbul
  • Country: Turkey
  • Page Numbers: pp.20-32

Abstract

In this study, the behavior of the “T Type” non-circular tunnels undergone to seismic effects was studied in closed differential equations and in numerical methods, and the comparative  results were presented. A non-circular tunnel liner was considered in soft and weathered rock materials and in soft soil ground media and analyses were executed. According to the suitable solutions, the results of the analyses were found compatible, and the results of the numerical analyses for the non-linear behavior of the materials undergone to earthquake loads, under above mentioned surrounding ground conditions, were found more consistent compared with the solutions based on elastic material behavior such as Simplified Deformation Analysis, Free Field Shear Strain Approach, Simplified Frame Method and Pseude-statics Analysis.