Application of sawdust Interlocking Blocks Cement mix

Abstract

This research has introduced sawdust, coconut fiber and coconut residue. As a research material in the development of Interlocking Blocks to reduce the use of mixed materials. Find out the suitable mixer mix ratio. Find compressive strength and water absorption properties. By adding cementitious materials in cement to sand. According to the cement mixture ratio: sand: sawdust, coconut fiber and coconut residue. The ratio is 1: 2: -0.1, 1: 2: 0.2, 1: 2: 0.3. Duration of test cure at 7, 14 and 28 days. The best compression ratio is 1: 2: 0.1. Cement: Sand: (sawdust, coconut fiber and coconut). The compressive strength is 62.64 ksc., 44.07 ksc., 58.07 ksc. respectively. And the highest water absorption value is the ratio of 1: 2: 3. Cement: Sand: (sawdust, coconut fiber and coconut residue) Water absorption was 9.72%, 12.53%, 10.56% respectively. It is found that the ratio of the amount of excess material will reduce the compression resistance. And the higher the rate of ingredients, the higher the absorption rate.         The development of a mixed material block can be used and as a real building material. It has brought the residual materials from the timber and  agricultural  industries. Develop to benefit Helps reduce the amount of waste that may be rubbish in the community. Add value to waste from the plastics and agricultural industries. It is also a guideline for application in the development and production of other building materials as well.