Siagian, David Josua (2019) Analisis Campuran Beton Panas Coating Menggunakan Aspal Modifikasi Lateks dan Filler Gypsum. S1 thesis, Universitas Kristen Indonesia.
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Abstract
Menurut penelitian sebelumnya, penambahan terhadap campuran aspal yang berguna untuk meningkatkan kinerja campuran aspal untuk perkerasan yang dalam jangka panjang mengalami deformasi maka perlu penambahan aditif yaitu karet alam cair (lateks) hasilnya kadar aspal optimum sebesar 5,7% dan dipilih variasi lateks sebesar 4% dari total berat aspal. Untuk meningkatkan kekuatan aspal terkait stabilitas dari penelitian terdahulu digunakan gypsum. Dalam penelitian ini, peneliti mencoba meneruskan percobaan sebelumnya yaitu penggunaan bubuk gypsum pada kadar optimum yang mampu meningkatkan kualitas campuran aspal menjadi lebih baik dan menggunakan karakteristik campuran aspal lateks di modifikasi filler gypsum limbah atau bekas pakai dengan variasi gypsum 0%,25%,50%,75%,100%. Pengujian ini dilakukan di laboratorium Universitas Kristen Indonesia dengan metode Marshall. Hasil yang didapatkan menunjukkan bahwa nilai stabilitas tertinggi terdapat pada kadar gypsum 25% sebesar 1754.72 kg. Pada perendaman didapatkan hasil yang memiliki penurunan stabilitas terkecil terhadap campuran aspal tanpa perendaman adalah variasi lateks + gypsum (4% + 0%) dengan persentase nilai stabilitas (menurun 6,9%), flow (menurun 3,4%) dan MQ (menurun 1,83%). Hal ini juga dikarenakan belum adanya spesifikasi khusus untuk aspal modifikasi lateks sehingga hasil yang didapatkan belum memenuhi spesifikasi yang ada. Kata Kunci : Lateks, Gypsum, Uji Marshall, Stabilitas, Kelelehan, Marshall Quotient According to previous studies, the addition of asphalt mixtures that are useful to improve the performance of asphalt mixtures for pavement which in the long run are deformed, so additives are needed, namely liquid natural rubber (latex). The optimum asphalt content was obtained 5.7% and 4% latex variation was chosen from the total weight of asphalt. To improve the strength of asphalt related to stability from previous studies, gypsum is used. In this study, researchers tried to continue the previous experiment, namely the use of gypsum powder at optimum levels that can improve the quality of asphalt mixes to be better and use the characteristics of latex asphalt mixture in modified waste or used gypsum fillers with variations of gypsum 0%, 25%, 50% , 75%, 100%. This test was carried out in the laboratory of the Indonesian Christian University by the Marshall method. The results obtained showed that the highest stability value was found in gypsum levels of 25% at 1754.72 kg. In the immersion, the results that have the smallest stability decrease to asphalt mixture without immersion are variations of latex + gypsum (4% + 0%) with a percentage value of stability (decreased 6.9%), flow (decreased 3.4%) and MQ (decreased 1.83%). This is also due to the absence of specific specifications for asphalt latex modification so the results obtained do not meet existing specifications. Keywords : Latex, Gypsum, Marshall Test, Stability, Flow, Marshall Quotient
Item Type: | Thesis (S1) | ||||||||||||
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Contributors: |
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Subjects: | TECHNOLOGY > Engineering (General). Civil engineering (General) | ||||||||||||
Divisions: | FAKULTAS TEKNIK > Teknik Sipil | ||||||||||||
Depositing User: | Mr Alexander Jeremia | ||||||||||||
Date Deposited: | 10 Mar 2021 03:06 | ||||||||||||
Last Modified: | 10 Mar 2021 03:06 | ||||||||||||
URI: | http://repository.uki.ac.id/id/eprint/4060 |
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