Abstract
Tar has been used for many years in road construction both as a binder for macadam and as a surface dressing initially on waterbound roads. Road tar is today specified in BS 761 by the following definition: ‘tar for use in road work is prepared entirely from crude tars produced wholly or substantially as a by-product in the carbonisation of coal at above 600 °C in externally heated retorts or coke ovens’.
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References
BS 76: 1974 Tars for Road Purposes
BS 3690: 1982 Bitumens for Building and Civil Engineering, Part 1: Specification for Bitumens for Road Purposes
BS 434: 1973 Bitumen Road Emulsions (Anionic and Cationic), Part 1: 1973 Requirements; Part 2: 1973 Recommendations for Use
BS 4692: 1971 Determination of Softening Point of Bitumen (Ring and Ball)
BS 4691: 1974 Determination of Penetration of Bituminous Materials
BS 4693: 1971 Determination of Viscosity of Cutback Bitumen and Road Oil
BS 4987: 1973 Coated Macadam for Roads and Other Paved Areas
DoE, Road Research Laboratory Road Note 29, 3rd ed., A Guide to the Structural Design of Pavements for New Roads (HMSO, 1970)
BS 594: 1985 Hot Rolled Asphalt for Roads and Other Paved Areas, Part 1: Specification for Constituent Materials and Asphalt Mixtures
E. H. Chipperfield and M. J. Leonard, ‘How Our European Neighbours Tackle Bitumen Road Construction’, J. Instn. highw. Engrs, 23 (1976) 9–19
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P. T. Sherwood and R. G. Pocock, ‘The Utilization of Cement Stabilized Waste Materials in Road Construction’, Rds Rd Constr. 47 (1969) 43–50
R. G. Pocock, Transport and Road Research Laboratory Report LR 328: The Use of Cement Stabilized Chalk in Road Construction (Crowthorne, 1970) A Laboratory Investigation of the Physical and Chemical Properties of Burnt Colliery Shale (Crowthorne, 1967)
J. R. Lake, Road Research Laboratory Technical Note TN 317 (revised) Unburnt Colliery Shale — Its Possible Use as a Road Fill Material (Crowthorne, 1968)
Department of Transport, Technical Memorandum H4/74 (London, 1974)
BS 598: 1985 Sampling and Examination of Bituminous Mixtures for Roads and Other Paved Areas, Part 3: Methods for Design and Physical Testing
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© 1988 R.J. Salter
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Salter, R.J. (1988). Highway Pavement Materials. In: Highway Design and Construction. Palgrave, London. https://doi.org/10.1007/978-1-349-10067-5_1
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DOI: https://doi.org/10.1007/978-1-349-10067-5_1
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-45998-0
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