چکیده مقاله
Urbanization has driven the necessity for subway networks as a reliable and efficient public transportation system Therefore, controlling the deformation of subway tunnels and adjacent structures is of great importance Additionally, soil heterogeneity and uncertainty significantly affect tunnel deformation by altering stress distribution and structural response, leading to inaccurate deformation predictions In this study, the deformation of a subway tunnel in a heterogeneous soil environment is investigated using a developed program in the present study based on the finite element method combined with a random variable approach The proposed model is analyzed using six node triangular elements with the Mohr Coulomb Elasto Plastic failure criterion To incorporate the uncertainty of soil parameters such as internal friction angle, cohesion, and unit weight, a random variable approach is employed, considering their cross correlation The probability density function of displacement parameters at critical tunnel points is predicted The results indicate that neglecting the inherent uncertainties of soil parameters can lead to inaccurate estimation of deformations and also the probability of failure
کلیدواژهها
نویسندگان
A. Johari
Professor, Department of Civil and Environmental Engineering, Shiraz University of Technology, Shiraz, Iran
S. Afshari
MSc Student, Department of Civil and Environmental Engineering, Shiraz University of Technology, Shiraz, Iran
شیوه ارجاع
Johari, A. and Afshari, S.,1404,Stochastic Analysis of Subway Tunnel Deformation Using the Finite Element Method Considering Soil Inherent Variability,14th International Congress on Civil Engineering,Tehran
ارائهشده در
مجموعه مقالات چهاردهمین کنگره بین المللی مهندسی عمران29 مهر 1404 · تهران