Journal
JOURNAL OF NATURAL FIBERS
Volume 5, Issue 1, Pages 61-75Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15440470801901522
Keywords
Coir fibers; expansive soils; improvement; properties; strength; compressibility swelling
Categories
Funding
- Coir Board, Ministry of Agro and Rural Industries, Government of India
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A large part of Central India and a portion of South India are covered with black cotton soils. These soils have high swelling and shrinkage characteristics and shear strength is extremely low; hence, there is need for improvement of these properties. Coir is a natural biodegradable material abundantly available in some parts of South and coastal regions of India. The paper reports the results of comprehensive experimental investigations using tri-axial shear tests, swelling, and consolidation tests to quantify the improvement of strength, swelling and compressibility characteristics of black cotton soil reinforced with coir fibers in a random manner. This paper discusses the mechanisms of improvement in strength, shrinkage, swelling and compressibility behavior of black cotton soils due to the inclusion of coir fibers. This facilitates the use of combination of black cotton soil and coir fibers for sustainable development purposes.
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