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Consideration of Economic and Env. Factors
Name: Consideration of Economic and Env. Factors
File: Ram Presentation 08-10-11.pdf
Size(MB): 1.07MB
Extension: PDF
Event: 2011 ICSC - BOSTON
Speaker Name: Ram, P.
Managed by: sdickens
Date Uploaded: September 15, 2011; 9:26 pm
Download Count: 798
Downloads This Month: 798

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The Michigan Department of Transportation (MDOT) has considerable experience on the use of recycled and industrial byproduct materials (RIBMs) in concrete pavements. Most of the work in this area has included laboratory and field investigations, with virtually no attempt to quantify the benefits and costs (both economic and environmental) of using RIBMs in concrete pavement applications. In this paper, life-cycle cost analysis (LCCA) and environmental life-cycle assessment (ELCA) techniques are used to quantify the economic and environmental impacts for a selected number of MDOT concrete pavement projects. Pavements studied include those made with and without supplementary cementitious materials (SCMs), with and without crushed concrete aggregate (CCA), and with and without air-cooled blast furnace slag coarse aggregate (ACBFS), all of which were evaluated over a range of traffic categories. The economic indicators considered include agency and user costs, whereas the environmental indicators included energy use, carbon footprint based on global warming equivalents, eutrophication and acidification to assess the impact on water, volume of secondary materials, and transportation intensity.

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