Use Of Recycled Materials In Road Construction
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With the evolution of the road industry and growing traffic on roads, construction materials have also been evolved and more unconventional ingredients have been incorporated. The rationales was the scarcity of conventional natural materials and the jeopardized environment which have underpinned the tendency towards evaluation other materials resources to be incorporated in the road industry. The inclusion of such materials entails several secondary and tertiary materials. Several waste by-products and materials have been investigated, assessed, evaluated for utilizations and practiced in the field. Depending on the attributes of the characteristics of the recycled material, the inclusion varies. Some recycled material have been proven to possess preferable properties over the other and have performed satisfactorily in the field. However, there are numerous concerns regarding such incorporation based on both laboratory experimental, and field observations which have turned out to be of the essence for further in depth studies.
In the present study experimental investigation of sub grade soil determined soil characteristics by using recycled materials like fly ash and plastic waste. The percentage of fly ash and plastic waste used is 0%FA+0%PW, 5%FA+1%PW, 10%FA+2%PW, 15%FA+3%PW and 20%FA+4%PW. The comparison of soil characteristics like liquid limit, plastic limit, standard compaction, un confined compressive strength and CBR test vales are determined for various percentages of recycled materials.
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