期刊
SOILS AND FOUNDATIONS
卷 57, 期 5, 页码 789-801出版社
JAPANESE GEOTECHNICAL SOC
DOI: 10.1016/j.sandf.2017.08.009
关键词
Grain-size distribution; Unimodal soil-water characteristic curve; Soil mixture; Gap-graded soil
资金
- Housing and Development Board, Singapore
- Nanyang Technological University (NTU), Singapore
Soils with a bimodal grain-size distribution (gap-graded soils) can be associated with unimodal or bimodal soil-water characteristic curves (SWCCs). Many equations have been developed to estimate SWCCs using grain-size distribution curves to overcome the high cost and long duration of SWCC experiments. Most of the equations are limited to the estimation of the SWCCs of soils with a unimodal grain-size distribution. Few studies have been conducted on the estimation of unimodal SWCCs for gap-graded soils. In this paper, procedures, equations and computer codes are proposed for estimating the unimodal SWCCs of gap-graded soils. The proposed equations are found to perform well in estimating the unimodal SWCCs of gap-graded soils. (C) 2017 Production and hosting by Elsevier B.V. on behalf of The Japanese Geotechnical Society.
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