| Topic : Heavy/highway construction |
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Construction Planning & Management |
Project Management ++ |
Business & Strategy |
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last activity : 07 06 2010 20:18:04 +0000
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Additives for Bitumen in Road Construction
Authorized Reprint 1988 from Journal of Testing and Evaluation. September 1988
Copyright American Society for Testing and Materials, 1916 Race Street. Philadelphia, PA 19103
REFERENCE: Jain, J. P. Gupta. A. K., Khanna. S. K. and lain, S. S. "Additives for Bitumen in Road Constnactlon," Journal of ‘Testing and Evaluation, JTEVA. V01. 16. No. S. Sept. 1988. pp. 481-486.
ABSTRACT: In India most all weather roads have bituminous surfaces. Properties of bitumen depend upon its source and manufacturing process. Bituminous surfaces sometimes fail prematurely, however, the most common cause are the effect of water variation in temperature.
In this paper an attempt has been made to document the effects of some additives on conventional properties of bitumen. These properties are penetration value, softening point, ductility, and stripping value. The additives are derived from plants. Various tests have been conducted on a mixture of 80/100 grade bitumen and different types and percentages of additives.
A detailed investigation has been carried out on five additives which have been code-named A, G. S. T, and W, The test results indicate a definite trend in the variation of the conventional physical properties of bitumen for Additives A. G. and W and a spectrum of values with finite variation in the conventional properties for Additives S and T.
- Assistant Engineer. Temporary Division. U.P.P.W.D., Roorkee-247667 (U.P.). India.
- Professor & Coordinator, Centre of Transportation Engineering (COTE). Department of Civil Engineering, University of Roorkee. Roorkee-247667 (U.P.), India.
- Secretary. University Grants Commission. New Delhi-110002, India. (Formerly Professor & Head. Civil Engineering Department. University of Roorkee, Roorkee-247667 (U.P.), India.
- Reader in Transportation Engineering. Department of Civil Engineering. University of Roorkee, Roorkee-247667 (U.P.), India.
*1986 by the American Society for Testing and Materials
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