·16 Finally it was concluded that by reusing and recycling the demolished concrete a better economy can be achieved without affecting the Environment and taking care of all the concerns The use of recycled aggregate has been found to be better than that of virgin aggregates for certain applications The salient points were • Initial moisture states of RCA is
·3 INTRODUCTION Recycling is the act of processing the used material for use in creating new product Aggregates obtained from recycling of construction and demolition waste Recycled aggregate are comprised of crushed graded inorganic particles processed from the materials that have been used in the constructions
·5 RECYCLING OF THE PAVEMENTS FLEXIBLE PAVEMENT Hot in place recycling • The pavement intended to be recycled is heated to a higher temperature using suitable heating arrangement This facilitates easier removal of materials • After heating the pavement surface is scarified to the required depth Further depending on the requirement
·Recycled Aggregates TheWolfpack Brittany Bowers Conner Watson David Valecillos Brian Grace What Are Aggregates • Aggregates are used in the making of concrete • Concrete is composed of water cement paste coarse aggregates fine aggregates and admixtures • Aggregates help the strength of the concrete by filling in void spaces and resisting
·5 1 Hot in place recycling The pavement intended to be recycled is heated to a higher temperature using suitable heating arrangement This facilitates easier removal of materials After heating the pavement surface is scarified to the required depth Further depending on the requirement fresh aggregate and binder are added The material is mixed
·Plastic recycling Download as a PDF or view online for free Plastic recycling Download as a PDF or view online for free • The waste plastic gets coated over the surface of aggregate by heating 140˚C 160˚C as plastics like PE PS PP used in PET Bottles disposal glasses handbags etc soften up to 160˚C • The LDPE can only
·Crushing value of aggregate is a relative measure of resistance of an aggregate to crushing under gradually applied crushing load 3 Aggregate passing through mm sieve and retained on 10mm sieve is taken About kg of surface dry aggregate filled in the standard cylinder in three layers tamping each layer 25 times by a standard
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