Evaluation of Factors Affecting Shear Strength of Cohesive Soils

Sutejo, Yulindasari and Muslikah, Siti and Herius, Andi (2014) Evaluation of Factors Affecting Shear Strength of Cohesive Soils. In: SEMINAR NASIONAL GEOTEKNIK 2014, 10-11 Juni 2014, Yogyakarta, Indonesia.

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Abstract

This paper evaluates the effects of normal load variation, consolidation time and shearing rate on the shear strength obtained by direct shear tests on cohesive soil. The soils were sampled at three different locations at depths of 2 to 3 m such that the in-situ overburden pressures were about 30 - 40 kPa. The normal pressures used in the test are: 6, 12.5, 25, 50,100 kPa; while the shearing rates are: 0.1, 0.5, and 1.0 mm/minutes. The samples were consolidated prior to shearing in the di- :ect shear apparatus. Preliminary test indicated that the average time required for consolidating the sample before shearing is less than l0 minutes. Test results show that normal load variations as well as shearing rate introduce variations in the shear strength obtained by direct shear test. Therefore, it is important that the normal load used for this type of test be comparable with the in-situ overburden pressure and the shearing rate should be calculated based on the time ofconsolidation prior to shearing. Keywords: direct shear test, consolidation time, normal load, shearing rate, shear strength

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA1-2040 Engineering (General). Civil engineering (General)
Divisions: 03-Faculty of Engineering > 21001-Engineering Science (S3)
Depositing User: Yulindasari Sutejo
Date Deposited: 10 Sep 2019 07:33
Last Modified: 10 Sep 2019 07:33
URI: http://repository.unsri.ac.id/id/eprint/6923

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