Abstract
The sand aggregates in Sukamara Regency in Central Kalimantan have fine and uniform grain sizes. To improve the quality of these materials, it’s necessary try to provide additional materials from the waste burning oil palm shells formaking brick blocks.The research was by making bricks with certain treatments in several experimental groups 1SP:5Sand, 1SP:5Waste, 1SP:2.5Sand:2.5Waste, 1SP:2Sand:3Waste, 1SP:2Waste:3Sand, and control group1SP:5Sand for ratio. Testing the average unit weight of 1SP:5waste is 0.71kg and 1SP:5sand is 1.38kg. Batako with oil palm shell burning waste is 0.67kg lighter. The average compressive strength of mixed concrete blocks 1SP:2Sand:3Waste is 52.96kg/cm², 1SP:5Waste is 8.40kg/cm², and 1SP:5Sand is 16.67kg/cm². All bricks usea mixture of SP+Sand+Waste composition have greater strength than only use a mixture of SP+Sand and SP+Waste. Batako with mixture composition of 1SP:2Sand:3Waste is classified B1 quality. Batako with mixture composition of 1SP:2.5Sand:2.5Waste and 1SP:2Waste:3Sand is A1 quality, while for the mixture composition 1SP:5Sand and 1SP:5Waste doesn’t enter the quality the brick because average strength below 20kg/cm². The test for greatest compressive strength produced from bricks with a mixture of SP+Sand+Wastecomposition shows the conglomeration oil palm shell burning waste is good to be used as an added material in brick making.
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