This paper studies the reliability of differential settlement between two strip footings by Stochastic Finite Element Method (SFEM). For this purpose, Stochastic Response Surface Method (SRSM) as a non-intrusive formulation of SFEM is used. The linear-elastic model is used to represent the soil behavior. The Young’s modulus (E) is considered as spatially random variable and modeled as log-normal random field. The well-known Karhunen–Loeve (K-L) expansion is used to random filed discretization. The results of proposed SRSM are compared with those of the Monte Carlo Simulation (MCS). The results show that the horizontal and vertical autocorrelation lengths are important parameters in reliability analysis of differential settlement. Furthermore, the probability of failure increases with increasing the coefficient of variation of E.   

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Reliability analysis of differential settlement of strip footings by stochastic response surface method

  • تولید کننده: مارکت کد
  • شناسنامه: Reliability analysis of differential settlement of strip footing
  • موجودی: رایگان
  • لینک دانلود
  • نویسنده: A.Sabzi
  • تاریخ چاپ: 2016-10-26
  • رایگان