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By H.M.A.Mahzuz, Mushtaq Ahmed
Keywords: Compression, Reinforcement Ratio, Specific heat, Water Absorption and release, Elasticity.
The study compares the use of bio-aggregates from rattan, wood and bamboo as coarse aggregate in concrete. Also reinforced concrete short columns were made where the above mentioned coarse aggregates were used having bamboo and rattan as reinforcement. Full study was conducted by OPC, ASTM Type-1, sand of a constant fineness modulus (FM) of 2.79 and water–cement ratio of 0.485. Curing of samples was done for 28 days and crushing was performed after 56 days. The highest and lowest compressive stress was found in the concrete where coarse aggregate was rattan and bamboo respectively. The compressive strength of the specimens was seen to be increased as the amounts of bamboo and rattan as the reinforcement were increased. Moreover, as the weights of the concrete of bio-aggregates were found much less than that of normal weight concrete, therefore as light weight concrete these materials may reduce dead load of structure considerably.