The behaviors of a Korean weathered soil under monotonic loadings

Sangseom Jeong , Junyoung Ko. Sumin Song , Jaehong Kim

Abstract

This paper describes the general trends of the stress-strain behavior of Korean weathered soil prior to failure and behavior at failure under triaxial loading. The isotropically consolidated samples were tested in a testing device under monotonic undrained loading. Relative density, effective mean pressure and fine content were the factors varied in the experimental investigation. The test results were analyzed and their behaviors were interpreted within the framework of plasticity constitutive model for a weathered Korean silty sand. Possible physical bases for the proposed forms are discussed. Validation of the applied model using the laboratory results is also given.

Key Words

constitutive model; monotonic undrained loading; silty sand; triaxial testing; weathered soil

Address

Sangseom Jeong and Junyoung Ko. Sumin Song — School of Civil and Environmental Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea Junyoung Ko: Department of Civil Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
Jaehong Kim — Department of Civil Engineering, Dongshin University, 67 Dongshindae-gil, Naju-si, 58245, Republic of Korea

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