Refuse as Usables in Civil Engineering DomainsAuthor : R. Manju , T. Bavna , M. Aishwarya and S. Manjuladevi
Volume 7 No.2 July-December 2018 pp 7-15
Wastes are the discarded materials which are thrown away after their utilization or simply the scrap material. Junk which are thrown away in every spot in and around us poses a major threat to our community as well as to the mother earth. There are several types of wastes which are classified based on their source of generation. It includes biomedical wastes, electronic waste or the e-waste, construction and demolition wastes, hazardous wastes, waste water etc., the wastes thus generated should be properly recycled and utilized or else discarded in a proper way without tainting the environment. Here are mentioned certain techniques from various papers which utilize the waste advantageously. Ash obtained from the incineration of biomedical waste can be valuably utilized in concrete making operations which satisfied the required compressive strength of normal concrete. E-waste aggregate can be made use in concrete as a replacement of coarse aggregate up to 20% which attain the strengths of acceptable limits. The debris from the construction and demolition can be productively implemented in construction of rigid pavements as base and sub base course which helps in reducing the cost. India generates about 141000 metric tonnes of waste per day. Mumbai and Delhi alone generate around 9000 metric tonnes and 8300 metric tonnes per day respectively. In this they collect around 127000 tonnes per day and treated is 34752 tonnes per day (27%) and land filled is 4515 tonnes per day. Thus the generated wastes poses a hefty problem to both human health and ecosystem we live in, which can be eliminated by recycled utilization of the refuse in various civil engineering applications.
E-waste, Construction and Demolition Waste, Biomedical Waste, Ash
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