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Sazuatmo Sazuatmo
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Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Pemanfaatan Limbah Tutup Botol Air Mineral Sebagai Filler Pada Lapis Perkerasan Base a Aswantu Fajri; Sazuatmo Sazuatmo
MAJALAH TEKNIK SIMES Vol 15 No 2 (2021): Juli 2021
Publisher : UNIVERSITAS PROF. DR. HAZAIRIN, SH BENGKULU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (559.49 KB) | DOI: 10.32663/simes.v15i2.2064

Abstract

One of the most common plastic wastes found around us is the cap of mineral water bottles. The waste of mineral water bottle caps as a filler on the basis is expected to reduce the impact of plastic waste it self and reduce rock waste in the quarry. Tests carried out by adding fillers of mineral water bottle cap waste as much as 0%, 10%, 20%, and 30%. The ability of mineral water bottle cap waste as a filler can be tested by looking at the value of the California Bearing Ratio (CBR) generated after addition. CBR testing is carried out by the laboratory CBR test method using a CBR penetration tool. From the examiners, the results show that; base A aggregate without the addition of mineral water bottle cap waste with a CBR value of 93.38%; the addition of 10% of mineral water bottle cap waste resulted in a CBR value of 98.73%. The addition of 20% obtained a CBR value of 96.55%; and an addition of 30% resulted in a CBR value of 87.65%. The addition of 10% and 20% of mineral water bottle cap waste filler can increase the CBR base A value, because it produces a larger CBR value without addition. Meanwhile, an increase of 30% will actually reduce the strength of the base itself because the resulting CBR value is smaller. The addition of filler of mineral water bottle cap waste can increase the CBR value of base A with the right composition. Utilization of mineral water bottle cap waste at base A will reduce the amount of plastic waste and reduce environmental pollution, as well as reduce the overexploitation of rocks for base A raw material.
Perbandingan Metode Pengujian Dynamic Cone Penetration (DCP) (Studi Kasus : Ruas Jalan Halmahera Bengkulu) Sazuatmo Sazuatmo; Aswantu Fajri
MAJALAH TEKNIK SIMES Vol 16 No 1 (2022): Majalah Teknik Simes Volume 16 Nomor 1 Januari 2022
Publisher : UNIVERSITAS PROF. DR. HAZAIRIN, SH BENGKULU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/simes.v16i1.2534

Abstract

Abstract Comparative evaluation of soil properties is used to determine soil properties in the field. Comparing several methods for grade testing aims to get results that are closest to the original data. Tests using Dynamic Cone Penetration (DCP) are commonly used. However, the method commonly used in Indonesia is in accordance with the 1993 Bina Marga regulation. Meanwhile, the method for testing DCP has many different variations. For this reason, DCP testing was carried out using 12 different methods to obtain test results from each method. The test was carried out at 6 points on the Halmahera Bengkulu road. From the test results, it is found that the largest Plastic Index value is at point A1 which is 98% while the largest CBR is at point B2, which is 62% using the NCDOT method. Of the 12 methods used, no significant differences were found, which means that all of these methods can be used for PI and CBR calculations.
Co-Authors Aswantu Fajri Aswantu Fajri