Feasibility Studies of Engineering Properties of Coarse Aggregates from Demolition Waste and Natural Aggregates for Road Construction

Authors

  • Mr Harsha N Research Scholar, Department of Civil Engineering, MSRIT, VTU, India

DOI:

https://doi.org/10.37591/ttea.v6i1.2457

Abstract

Construction and Demolition (C&D) waste constitutes a major portion of total solid waste origination in the world and most of it is used in landfills. The disposal of this construction and demolition waste is becoming a major concern as it is disposed unscientifically in India. The C&D waste is usually dumped on the sides of canals, minor roads and at the entrance of the cities and towns. This causes environmental problems and affects the quality of life of people. This paper discusses the possibility of replacing natural coarse aggregate with recycled concrete from demolition waste aggregate for road construction. Aggregate strength, gradation, absorption, specific gravity, shape and texture are some of the engineering properties that are desirable for road construction. Therefore, the experimental program was focused on the evaluation of engineering properties of the recycled aggregate over a period of 6 months. The findings from the study showed that the recycled concrete aggregate can be used for construction of transportation infrastructure. However, further research is needed particularly on the long term field performance of the recycled aggregate concrete before it can be used with confidence.

References

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FHWA-RD-97-148. “User Guidelines for Waste and Byproduct Materials in Pavement Construction”. Department of Transportation, Washington; 1997.

IS 2386 (Part 1) – 1963 – Methods of Test for Aggregates for Concrete – Particle Size and Shape.

IS 2386 (Part 3) – 1963 – Methods of Test for Aggregates for Concrete – Specific Gravity, Density, Voids, Absorption and Bulking.

IS 2386 (Part 4) – 1963 – Methods of Test for Aggregates for Concrete – Mechanical Properties

IS 2386 (Part 5) – 1963 – Methods of Test for Aggregates for Concrete – Soundness.

Ministry of Natural Resources, “State of the Aggregate Resource in Ontario Study”. Toronto, Canada: Queen’s Printer for Ontario, 2010.

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O’Mahony M.M. “An Analysis of the Shear Strength of Recycled Aggregates”. Mater Struct 1997; 30:599–606.

Transportation Applications of Recycled Concrete Aggregate — FHWA State of the Practice National Review 2004; U.S. Department of Transportation Federal Highway Administration: Washington, DC, 2004; pp. 1–47.

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Published

2019-04-24

Issue

Vol. 6 No. 1 (2019)

Section

Research Article

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