Use of Recycling Building Demolition waste As Coarse Aggregate in Hot Mix Asphalt

At the recent years in Iraq, building demolition increase because of wars and the processes of destruction that lead to increase concrete waste, causing extreme pressure on the available land-filled sites that’s becomes a new challenge to local environment, in addition to south region from country p...

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Bibliographic Details
Published inTikrit journal of engineering sciences Vol. 21; no. 1; pp. 63 - 76
Main Author Nabil I. Al- Sarrag Hanaa Khaleel A Suham E. Saleh Al-Maliky
Format Journal Article
LanguageEnglish
Published Tikrit University 01.04.2014
Subjects
Asphalt mixture
indirect tensile strength
loss of stability
recycled concrete aggregate
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Summary:At the recent years in Iraq, building demolition increase because of wars and the processes of destruction that lead to increase concrete waste, causing extreme pressure on the available land-filled sites that’s becomes a new challenge to local environment, in addition to south region from country poor from aggregate source.  So this study make as first evaluation to return use concrete aggregate for old and demolition building in concrete asphalt mix, the concrete aggregate obtained from building to live long more than 20 years after crash reinforcement concrete and sieving to get requirement granular particle to make locally asphalt mixture (Type IIIB) depends on modified specification of State Commission of Roads and Bridges (2003) with percent (0,25,50,75,100)% from weight of coarse aggregate.  Asphalt mixtures were tested by Marshall test, Indirect tensile strength test, and the loss of stability test.
ISSN:1813-162X
2312-7589