PENGARUH PENAMBAHAN VARIASI LIMBAH PLASTIK LDPE DAN ARANG KARET BAN DALAM PEMBUATAN PAVING BLOCK TERHADAP KEKUATAN TEKAN DAN DAYA SERAP AIR UNTUK TROTOAR BANDARA

Made Dwiki Wiwi Yandika, I (2023) PENGARUH PENAMBAHAN VARIASI LIMBAH PLASTIK LDPE DAN ARANG KARET BAN DALAM PEMBUATAN PAVING BLOCK TERHADAP KEKUATAN TEKAN DAN DAYA SERAP AIR UNTUK TROTOAR BANDARA. Thesis thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Block paving is one of the ground surface covering materials used for hardening and beautifying pedestrian sidewalks. It can also function to reduce standing water, therefore in accordance with its use, compressive strength and water absorption are the important aspects in making block paving. In this research, LDPE plastic, tire rubber charcoal and sand were used for the basic ingredients of paving blocks while compressive strength testing and water absorption testing were used to identify the ability of paving blocks to withstand compressive forces and the ability to absorb water. There were three variations tested, namely variation A with 40% plastic, 10% tire rubber charcoal, 50% sand; variation B with 30% plastic, 20% tire rubber charcoal, 50% sand; variation C with 20% plastic, 30% tire rubber charcoal, 50% sand; and three specimens in each variation. Based on the testing results, variation A had the average compressive strength of 18.67 MPa and the water absorption of 0.39. Variation B had the average compressive strength of 8.95 MPa and the water absorption of 1.61 Variation C had the average compressive strength of 5.59 MPa and the water absorption of 2.92. In conclusion, the higher the plastic content in the paving blocks increased the compressive strength value and decreased the water absorption ability

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