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Cinder Waste Material for the Construction of Bituminous Pavement Layers

[ Vol. 4 , Issue. 3 ]

Author(s):

A. K. Sinha*, V G. Havanagi, A. Ranjan and S. Das   Pages 221 - 227 ( 7 )

Abstract:


Background: Thermal power station uses natural coal for production of power at Tata steel limited, Jamshedpur, Jharkhand and produces residue of coal as a waste material called cinder. Industry also produces iron slag waste as a by-product during manufacturing of iron from its ores. Both waste materials were dumped at nearby open area of the plant called Jugasalai dump. Ratio of composition of both wastes as dumped material is about 80:20 (cinder:slag) and it is combindly called as “cinder”. Presently, this material has no uses and occupying costly land near the plant.

Method: This material was investigated for its possible application in the construction of different bituminous pavement layers. Material was characterized for its physical, chemical and geotechnical properties pertaining to bituminous layers construction. Physical and chemical characterization contains different tests viz. shape of particle, natural moisture content, water absorption, loss on ignition, specific gravity, free swelling index, aggregate impact value and emission dispersive spectrometer tests whereas geotechnical characterization test has grain size analysis, Atterberg limit, Proctor compaction and California bearing ratio test. Different bituminous design mixes (Bituminous Macadam, Dense Bituminous Macadam and Semi Dense Bituminous Macadam) were carried out using cinder as partial replacement of fine aggregate (25 - 28 %). Marshall Stability test was carried out of bituminous mixes. Suitability of cinder waste was presented in the paper as per MORTH specification.

Result: It was observed that cinder is crushable material. This leads to improper coating of bitumen on cinder particles.

Conclusion: Therefore, it was concluded that material has no potential for the construction of bituminous layers.

Keywords:

Cinder, bituminous, pavement, waste, construction, thermal power.

Affiliation:

CSIR- Central Road Research Institute, Delhi-Mathura Road, New Delhi, CSIR- Central Road Research Institute, Delhi-Mathura Road, New Delhi, CSIR- Central Road Research Institute, Delhi-Mathura Road, New Delhi, CSIR- Central Road Research Institute, Delhi-Mathura Road, New Delhi

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