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Development of Rapid Consolidation Equipment for Cohesive Soil

Kassim, Khairul Anuar and A. Rashid, Ahmad Safuan and Kueh, Ahmad Beng Hong and Chong, Siaw Yah and Lam, Chee Siang and Mohd. Noor, Norhazilan and Moayedi, Hossein (2015) Development of Rapid Consolidation Equipment for Cohesive Soil. Geotechnical And Geological Engineering, 33 (1). pp. 167-174. ISSN 0960-3085

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Official URL: http://dx.doi.org/10.1007/s10706-014-9819-7


In this study, rapid consolidation cell equipment (RACE) was developed as an alternative device to the conventional consolidation test using Oedometer to determine the consolidation characteristic of cohesive soil. RACE operates based on the constant rate of strain (CRS) consolidation theory, which is a continuous loading method of testing and could accelerate the consolidation process for cohesive soil, shortening the time consumption from 1 week (when using Oedometer and Rowe cell tests) to only a few hours. A slightly modification has been made on the normal CRS test by proposing a direct back pressure system to the specimen using a tube to saturate the soil sample. Four types of sample were tested with different rates of strain using the RACE equipment and their results were compared with those conducted using the Oedometer on the same soil type, from which fairly good agreements were evident in many specimens. It was found that, the RACE equipment is capable to determine the consolidation characteristic of the cohesive soil. In this study, the acceptable strain rates were proposed as compared with the Liquidity Indices for cohesive soil. It was found that the range of strain rate of CRS test for LI < 15 % was between 0.01 and 0.3, while for LI closed to 25 %, the range was between 0.01 and 0.1.

Item Type:Article
Uncontrolled Keywords:cohesive soil, consolidation, constant rate of strain, liquidity index, oedometer, strain rate
Subjects:A General Works
ID Code:58298
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:15 Sep 2017 14:22

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