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The influence of class C fly ash as a substitute for mineral aggregate on the stability and density of asphalt mixtures containing 3.5−6 wt% of bitumen was investigated. For the fly ash concentration (in relation to the replaced aggregate) 25, 50, 75 and 100 wt%, the optimal asphalt content (OAC) was determined, respectively, 5.75, 4.82, 4.42, 4.4 and 4 wt%. The stability increased with the increase...
This paper consists of a study conducted to quantify the traffic congestion problem. Additionally, it describes the complete methodological process from data collection to cost per minute delay. Traffic congestion issues are frequently observed in large cities of the world where the road facilitiesoperate at capacity limits. To estimate the congestion cost,an arterial route of Karachi (A metropolitan...
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