ANALISIS PENGARUH PENGGUNAAN ABU BATU APUNG SEBAGAI BAHAN SUBSTITUSI FILLER PADA CAMPURANASPAL PORUS
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Orlando, Regy Valeon
Handayasari, Indah
Handayasari, Indah
Subject
Teknik Sipil
Datestamp
2022-09-20 04:28:18
Abstract :
Porous asphalt is an asphalt mixture that is designed to have a high porosity compared to other pavements. Porous asphalt contains a larger air cavity so that it is able to drain water both horizontally and vertically. This study aims to determine the characteristics of the porous asphalt mixture against the substitution of pumice ash filler. Making samples for determining the optimum asphalt content (KAO) based on the Australian Asphalt Pavement Association (AAPA) method with several parameters, namely; Cantabro Loss (CL), Asphalt Flow Down (AFD) and Voids In Mix (VIM) with asphalt content of 4%, 4.5%, 5%, 5.5% and 6% before being substituted with pumice ash. testing and calculation of Marshall, CL and AFD parameters were carried out to obtain KAO. Based on the results of the study, the KAO value was 4.95% and then the test object was made at the KAO value with the addition of pumice ash variations of 0%, 0.5%, 1%, and 1.5%. From the test that has been added pumice ash, the results obtained with a greater stability value at 0.5% pumice ash content of 795.10 Kg and a decrease in Flow value after reaching the optimum level of 1%. The addition of pumice ash can reduce air voids (VIM) which indicates the mixture produces a strong binding capacity and at 0.5% pumice ash content results in a large weight loss rate of 12.82% compared to without a mixture of pumice ash 10,59% and an increase in asphalt quality after the addition of pumice ash at a level of 1% to the aggregate separation value (Asphalt Flow Down). So after the analysis, the optimum percentage of pumice ash addition for porous asphalt pavement is 0,5%.
Porous asphalt is an asphalt mixture that is designed to have a high porosity compared to other pavements. Porous asphalt contains a larger air cavity so that it is able to drain water both horizontally and vertically. This study aims to determine the characteristics of the porous asphalt mixture against the substitution of pumice ash filler. Making samples for determining the optimum asphalt content (KAO) based on the Australian Asphalt Pavement Association (AAPA) method with several parameters, namely; Cantabro Loss (CL), Asphalt Flow Down (AFD) and Voids In Mix (VIM) with asphalt content of 4%, 4.5%, 5%, 5.5% and 6% before being substituted with pumice ash. testing and calculation of Marshall, CL and AFD parameters were carried out to obtain KAO. Based on the results of the study, the KAO value was 4.95% and then the test object was made at the KAO value with the addition of pumice ash variations of 0%, 0.5%, 1%, and 1.5%. From the test that has been added pumice ash, the results obtained with a greater stability value at 0.5% pumice ash content of 795.10 Kg and a decrease in Flow value after reaching the optimum level of 1%. The addition of pumice ash can reduce air voids (VIM) which indicates the mixture produces a strong binding capacity and at 0.5% pumice ash content results in a large weight loss rate of 12.82% compared to without a mixture of pumice ash 10,59% and an increase in asphalt quality after the addition of pumice ash at a level of 1% to the aggregate separation value (Asphalt Flow Down). So after the analysis, the optimum percentage of pumice ash addition for porous asphalt pavement is 0,5%.
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