Laboratory Study on the Swelling, Cracking and Mechanical Characteristics of the Palm Fiber Reinforced Clay
Ph.D. student of Geotechnical Engineering
E. Akbari Kaffash
M.Sc. student of civil engineering Tabari University, Babol, Iran.
M. J. Yaghoubi
B. Sc. Shahid Bahonar University of Kerman, Iran
G. R. Pourebrahim
Assist. Professor, Faculty of Civil Engineering Dept.
Presence of clayey soil strata beneath the structural foundation or road pavements would severely lead to many problems such as swelling, low bearing capacity or many others. Therefore, many scientific or nonscientific methods have been used during past centuries to defeat these problems. One of these methods would be soil reinforcement in order to improve most of the soil mechanical properties. Natural fibers are used widely in soil reinforcement procedure all around the world during many centuries and one of the most durable and applicable of these materials is the palm fiber. This study have considered the application of the palm fibers` effects on the behavior of the west Kerman`s surface clays. The results show that this kind of randomly distributed reinforcement would significantly affect and alter the characteristics of the reinforced soil, but not always by improving them.
Keywords: soil reinforcement, swelling potential, shrinkage cracks, unconfined compressive strength, shear strength.
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