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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/5157
Title: Laboratory investigation of RAP for various layers of flexible and concrete pavement
Authors: Singh S.
Monu K.
Ransinchung R. N G.D.
Published in: International Journal of Pavement Engineering
Abstract: The present study investigates the potential of RAP for various layers of flexible and concrete pavements. Natural aggregates were replaced in different proportions by the coarse RAP and fine RAP, for preparations of granular subbase, wet mix Macadam, dry lean concrete, dense bituminous Macadam and Plain concrete mixes. Utilisation of both fractions of RAP resulted in reductions in the optimum moisture content (OMC) and maximum dry density of granular subbase and wet mix Macadam mixes, whereas, incorporation of the same was found to increase the OMC of dry lean concrete mixes. Incorporation of coarse RAP doesn’t affect much the engineering properties of base and subbase layers in comparison to fine RAP. Improving the gradation of fine RAP was found to increase its suitability in all the considered mixes. Similarly, utilisation of coarse RAP was found to improve the workability of concrete mixes, however, significant reductions in strength properties were noted. It was observed that as the strength requirement of layer increases, the negative impact of RAP on strength properties also increases linearly, suggesting incorporating a higher fraction of RAP in lower layers and a lower usage of the same for wearing course of the pavement. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.
Citation: International Journal of Pavement Engineering(2019), (): -
URI: https://doi.org/10.1080/10298436.2019.1567920
http://repository.iitr.ac.in/handle/123456789/5157
Issue Date: 2019
Publisher: Taylor and Francis Ltd.
Keywords: base
bituminous
concrete
RAP
subbase
wearing course
ISSN: 10298436
Author Scopus IDs: 57194233849
57204176746
24483987700
Author Affiliations: Singh, S., Department of Civil Engineering, Indian Institute of Technology, Roorkee, India
Monu, K., Department of Civil Engineering, Indian Institute of Technology, Roorkee, India
Ransinchung R. N, G.D., Department of Civil Engineering, Indian Institut
Corresponding Author: Ransinchung R. N, G.D.; Department of Civil Engineering, Indian Institute of TechnologyIndia; email: gdranjan@gmail.com
Appears in Collections:Journal Publications [CE]

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