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http://dx.doi.org/10.7843/kgs.2008.24.11.91

Evaluation of Strength Parameters of Cemented Sand  

Lee, Hoon-Joo (Dept. of Civil, Environmental, and Architectural Engrg., Korea Univ.)
Choi, Sung-Kun (Dept. of Civil, Environmental, and Architectural Engrg., Korea Univ.)
Lee, Woo-Jin (Dept. of Civil, Environmental, and Architectural Engrg., Korea Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.24, no.11, 2008 , pp. 91-100 More about this Journal
Abstract
This study proposes the equations evaluating the shear strength of cemented sand by analytical interpretation based on Mohr-Coulomb failure criteria, and verifies them using the results of triaxial and unconfined compression tests. The internal friction angle of cemented sand is identical to that of uncemented one regardless of the stress level, while the cohesion intercept of cemented sand is constant before the breakage of cementation bonds. Therefore, the shear strength of cemented sand can be represented as a summation of the shear strength of uncemented sand and the unconfined compressive strength of cemented sand. In addition, the cohesion intercept of cemented specimen can be expressed as a function of unconfined compressive strength and friction angle. In the transition zone, assuming a constant shear strength, the equations to evaluate shear strength and cohesion intercept of cemented sand are also represented. It is observed that the predicted values using these solutions agree well with the experimental results. The experimental results also show a linear relationship between the unconfined compressive strength and the breaking point of cementation bonds.
Keywords
Breaking point; Cementation; Cohesion intercept; Prediction equation; Shear strength; Unconfined compressive strength;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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