Utilization of Crumb Rubber in the Production of Paving Blocks
DOI:
https://doi.org/10.52722/7q4n5037Keywords:
Paving block, Crumb rubber, Compressive Strength, Absorption, Specific GravityAbstract
Crumb rubber is one in all the goods of rubber waste processing which can be used as a partial substitute for high-quality mixture in making paving blocks. This research aims to determine the values of compressive strength, water absorption and specific gravity of paving blocks that use crumb rubber and to determine the quality of paving blocks that use crumb rubber with percentages of 0%, 3%, 4.5% and 6%. The test object made measures 10 x 20 x 8 cm. The compressive electricity check has the best value inside the version of using zero% crumb rubber, which is 18,350 MPa, decreasing to 10,150 MPa in the 6% variation. The water absorption test has the highest value for the 0% crumb rubber use variation, namely 2.315% and the lowest value for the 6% variation is 1.424%. The specific gravity test has the highest value in the 0% variation, namely 2106 kg/m³ and the lowest value in the 6% variation, namely 1934 kg/m³. Based on SNI 03-0691-1996, 0% variation corresponds to quality category B, 3% and 4.5% variation corresponds to quality category C and 6% variation corresponds to quality category D.
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References
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