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Title: Use of waste plastics and copper slag for low cost bituminous roads
Authors: Kajal
Pundhir, N K S
Chandra, A
Keywords: Bituminous mix
Copper slag
Marshall stability
Plastic waste
Polymer modified bitumen
Mix stability
Issue Date: Nov-2007
Publisher: CSIR
Series/Report no.: E01C7/18
Abstract: Study presents use of waste plastics and copper slag (CS) in hot bituminous mixes to enhance pavement performance, protect environment and provide low cost roads. Waste plastic modified bitumen (WPMB) has been prepared by adding mixed plastic waste (5%) in shredded form with suitable cross-linking agent in 80/100 bitumen and blended for 1 h at 160°C. Physical properties of WPMB are found within specified limits (IS: 15462-2004). Delhi quartzite aggregate (size, 20 mm, 10 mm), stone dust and lime along with varying concentrations of CS as aggregate filler is taken for preparation of Marshall specimens (60/70 paving bitumen, 80/100 paving bitumen and WPMB). Optimum binder content is achieved at 5.2% (by wt of mix). Marshall specimens are also prepared with composition of CS (10, 15 and 20%) replacing stone dust; CS (15%) has been found best.
Description: 938-944
ISSN: 0022-4456
Appears in Collections:JSIR Vol.66(11) [November 2007]

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