Abstract
The objectives of this research are to study the production step, proper ratio, physical properties, mechanical properties and thermal insulation of concrete blocks mixed with waste ceramic powder. The ratios of concrete block mixed with waste ceramic powder include Portland cement type1: quarry dust: waste ceramic powder equal to1: 6.8: 0.2, 1: 6.7: 0.3, 1: 6.6: 0.4, 1: 6.5: 0.5 and1: 6.4: 0.6 by weight. Water per cement ratio are 0.6 by weight. The concrete block samples were casted by the general production as same as the ordinary concrete blocks and were tested follow TIS.58. From the results, the best amount of waste ceramic powder which put into concrete block is 1: 6.7: 0.3 of ratio. The proper ratios of waste ceramic powder can decrease the density or weight, and increase the thermal insulation efficiency of concrete blocks. However, the high volume of waste ceramic powder effects to decrease the mechanical properties of concrete blocks to lower than TIS.58 standard.
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