Abstract
AbstractThe study aims to develop new controlled low strength material (CLSM) by using industrial byproduct: local pond ash collected from the thermal power plant and local blast furnace slag collected from steel industries. CLSM were made by the various mixture of pond ash, blast furnace slag, cement, and water. About 55% of water is added to make CLSM mix flowable. Cement was used from 10 to 30 % of the base material. Test were performed according to ACI229R to find out the strength and flowability of various mix in which pond ash and blast furnace slag is added in various proportions in the range of (0.1, 0.3, 0.5, 1, 2) subsequently. The best CLSM mixture were selected to be the control mix for further study. effect of the various proportion of pond ash, cement, and blast furnace slag water on the engineering properties like unconfined compressive strength, flowability, density, and bleeding were studied as per ACI 229R. The obtained result shows that unconfined compressive strength, flowability, bleeding, and density made with the proposed CLSM mix met the ACI 229R requirements. In conclusion, it was found that feasibility of local pond ash and blast furnace slag for production of CLSM.KeywordsControlled low strength material (CLSM)FlowabilityPond ash
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