Application of a Stochastic Elasto-Plastic Model with First-Order Spectral Expansion to Soil

Author:

Haba Kazumoto1,Hotta Wataru2,Hata Akihito3,Hori Muneo4

Affiliation:

1. Civil Engineering Department, Nuclear Facilities Division, Taisei Corporation 1-25-1 Nishi Shinjuku, Shinjuku-ku, Tokyo 163-0606, Japan

2. Advanced Analysis Technology Department, Nuclear Facilities Division, Taisei Corporation 1-25-1 Nishi Shinjuku, Shinjuku-ku, Tokyo 163-0606, Japan

3. Urban Engineering Research Department, Technology Center, Taisei Corporation 344-1 Nase-cho, Totsuka-ku, Yokohama-shi, Kanagawa 245-0051, Japan

4. Earthquake Research Institute, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan

Abstract

The efficient treatment of uncertainties in soil properties is essential for seismic probabilistic risk assessment. Recently, we developed a stochastic elasto-plastic model based on the first-order spectral expansion of the stochastic behavior. This new treatment is applied to elasto-plastic soil with uncertain material properties. A numerical experiment is performed to evaluate the probabilistic constitutive relation. The probabilistic stress–strain relation of soil is simulated successfully in agreement with the standard Monte-Carlo simulation. In addition, some characteristics of the probabilistic elasto-plastic soil are studied.

Publisher

World Scientific Pub Co Pte Lt

Subject

Geophysics,Geotechnical Engineering and Engineering Geology,Oceanography

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. CONSIDERATION OF CORRELATIONS BETWEEN MATERIAL PROPERTIES IN A SPECTRAL STOCHASTIC ELASTO-PLASTIC MODEL;Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM));2020

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