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Ahmad Rifa’i
Civil Engineering Department, Gadjah Mada University, Jogyakarta
Civil Engineering, Building, Construction & Architecture

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Behavior of Expansive Clay of Ngawi Region (East Java) Under Water Content Variation Agus Tugas Sudjianto; Kabul Basah Suryolelono; Ahmad Rifa’i; Indrasurya B Mochtar
Civil Engineering Dimension Vol. 11 No. 2 (2009): SEPTEMBER 2009
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (291.438 KB) | DOI: 10.9744/ced.11.2.pp. 100-105

Abstract

When expansive clay is wetted, deformations occur both vertically and laterally. If it is tested in an oedometer ring apparatus the lateral deformation will be restrained by the wall of the ring. This paper present the results of an experimental investigation using modified oedometer test for measuring the vertical and lateral swelling potential and lateral pressure of disturbed expansive clay soil. Series of modified oedometer tests were conducted with initial water content of 20%, 25% and 30%, to predict the vertical and lateral swelling potential and lateral swell pressure. The results of the test show that the percentages of the vertical swell is bigger than the lateral swell. Both vertical and lateral swell, linearly decrease with increasing initial water content. The lateral swell pressure also decreases with increasing initial water content.
Co-Authors Agus Tugas Sudjianto Indrasurya B Mochtar Kabul Basah Suryolelono