STRENGTH BEHAVIOUR OF KEROSENE COATED COIR FIBER-REINFORCED EXPANSIVE SOIL

Godavarthi Venkata Ramasubbarao

DOI Number
-
First page
113
Last page
120

Abstract


Abstract. Coir fibers are extracted from the husks surrounding the coconut. Coir fibers can be effectively used as reinforcing material but it has less durability and hence coir fiber coated with kerosene is used as reinforcement in the present study. The objective of the present investigation is to study the strength behavior of expansive soil reinforced with 5mm long randomly distributed kerosene coated coir fibers in 0% (unreinforced), 0.5%, 1% and 1.5% by dry weight of soil. Water absorption (WA) tests were conducted on uncoated and kerosene coated coir fibers. The WA tests were also conducted on kerosene coated coir fibers mellowed for a period of 1 day, 2day and 3 day. Water Absorption Capacity (WAC) of kerosene coated coir fiber reduced as compared to that of uncoated coir. It is found that 1% of coated coir fiber is the Optimum Coir Content (OCC) from view point of Unconfined Compressive (UCC) strength. Splitting tensile strength of OCC reinforced soil is increased by 50% that of unreinforced soil.

Key words: Expansive Soil, Coir Fiber, Kerosene coated, UCC strength.


Full Text:

PDF

References


G.V. Rao, R.K. Dutta and D. Ujwala, “Strength Characteristics of Sand Reinforced with Coir Fibers and Coir Geotextiles”, Electronic Journal of Geotechnical Engineering, Vol. 11, 2006.

G.L. Sivakumar Babu and A.K. Vasudevan, “Strength and Stiffness Response of Coir Fiber-Reinforced Tropical Soil”, Journal of Materials in Civil Engineering, Vol. 20(9), ASCE, pp. 571–577, 2008a.

G.L. Sivakumar Babu and A.K. Vasudevan, “Seepage Velocity and Piping Resistance of Coir Fiber Mixed Soils” Journal of Irrigation and Drainage Engineering, Vol. 134(4), ASCE, pp. 485–492, 2008b.

S. Bindu, C. Sobha and T.J. Babu, “Effect of inclusion of Coir Fiber on the Shear Strength of Marine Clay”, Proceedings of Indian Geotechnical Conference-2011, Kochi, India, pp. 379-382, 2011.

M. Bijayananda, S.C. Mahipal and M. Satyendra, “California Bearing Ratio of Randomly Oriented Fiber Reinforced Clayey Subgrade for Rural Roads”, Proceedings of Indian Geotechnical Conference-2001, Kochi, India, pp. 611-614, 2011.

B.K. Maheshwari, H.P. Singh and S. Saran, “Effects of Reinforcement on Liquefaction Resistance of Solani Sand”, Journal of Geotechnical and Geoenvironmental Engineering, Vol. 138(7), ASCE, pp. 831–840, 2012.

K. Rabindra Kumar, P. Pradip Kumar and N. Ashutosh, “Effect of Randomly Distributed Coir Fibers on Strength Characteristics of Cohesive Soil”, Electronic Journal of Geotechnical Engineering, Vol. 19, Bundle G, pp. 1567-1583, 2014.

H.N. Ramesh, K.V. Manoj Krishna, and Meena, “Performance of Coated Coir fibers on the Compressive Strength Behavior of Reinforced soil”, International Journal of Earth Sciences and Engineering, Vol.04 (06SPL), pp. 26-29, 2011.

ASTM D4318-10, “Standard test methods for liquid limit, plastic limit, and plasticity index of soils”, American Society for Testing of Materials, Pennsylvania, USA, 2010.

ASTM D2487-10, “Standard practice for classification of soils for engineering purposes (Unified Soil Classification System)”, American Society for Testing of Materials, Pennsylvania, USA, 2010.

IS: 2911-Part 3, Indian standard code of practice for design and construction of pile foundations, Part III Under-reamed piles, Bureau of Indian Standards, New Delhi, India, 1980.

ASTM D698-07e1, “Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort,” American Society for Testing of Materials, Pennsylvania, USA, 2007.

H.N. Ramesh, K.V. Manoj Krishna and H.V. Mamatha, “Compaction and behaviour of lime-coirfiber treated Black Cotton soil”, Geomechanics and Engineering, an International Journal, Vol. 2(1), pp. 19-28.

S.R. Kaniraj and G.H. Vasant, “Behavior of cement-stabilized fiber reinforced fly ash soil mixture”, Journal of Geotechnical and Geoenvironmental Engineering, Vol. 127(7), ASCE, pp. 574-584, 2001.

ASTM D2166–06, “Standard Test Method for Unconfined Compressive Strength of Cohesive Soil,” American Society for Testing of Materials, Pennsylvania, USA, 2006.

ASTM C496-96, “Standard Test Method for Splitting Tensile Strength of Cylindrical Concrete Specimens”, American Society for Testing of Materials, Pennsylvania, USA, 1996.


Refbacks

  • There are currently no refbacks.


ISSN 0354-4605 (Print)

ISSN 2406-0860 (Online)