The Determination Of Post-Cyclic Yield’s Strength And Initial Stiffness Of Two Peat Soils

Habib Musa Mohamad, and Adnan Zainorabidin, and Siti Nurul Aini Zolkefle, (2020) The Determination Of Post-Cyclic Yield’s Strength And Initial Stiffness Of Two Peat Soils. International Journal of GEOMATE, 18 (70). pp. 172-177. ISSN 2186-2982

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Abstract

The post-cyclic yield shear strength and initial stiffness of a peat soil after subjecting to cyclic loading is a major topic in this study. Due to the effects of cyclic loading, post-cyclic shear strength decreases lower than its initial strength. A series laboratory static and cyclic triaxial test followed by post-cyclic monotonic tests carried out to determine the yielding parameters. Tests were carried out on the undisturbed samples taken from Parit Nipah, Johor and Lumadan, Sabah within west and east Malaysia peat soils. Postcyclic loading test conducted with effective stress 100 kPa with frequency 1.0Hz. The initial stiffness is the initial tangential modulus with yield shear strength was half of the deviator stress in which two tangential lines intersect. The pots cyclic yield shear strength of undisturbed peat soil is considerably lower compared to static at the axial strain of only 1.4% and 1.5%. The Parit Nipah and Lumad paneat are classified as Hemic.

Item Type: Article
Uncontrolled Keywords: Post-cyclic, Peat, Yield shear strength, Initial stiffness
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: FACULTY > Faculty of Engineering
Depositing User: SITI AZIZAH BINTI IDRIS -
Date Deposited: 10 Sep 2020 04:06
Last Modified: 10 Sep 2020 04:06
URI: http://eprints.ums.edu.my/id/eprint/25921

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