학술논문
Prediction of swelling characteristics of remoulded and compacted expansive soils using free swell index
Document Type
Academic Journal
Author
Source
Quarterly Journal of Engineering Geology and Hydrogeology. 37(3):217-226
Subject
Language
English
ISSN
1470-9236
Abstract
Seasonal changes in moisture content result in volume change in expansive soils, which may damage structures founded on them. Evaluation of swelling characteristics of expansive soils, namely, swell potential and swelling pressure, is important for the design of foundations. Many relationships have been suggested for prediction of swell potential and swelling pressure from various index properties such as liquid limit, plasticity index, shrinkage index, activity, clay content, etc., and placement conditions such as initial dry unit weight, initial water content and initial surcharge pressure. Free swell index (FSI) indicates the potential expansiveness of a soil. FSI, being determined on the soil fraction