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All Journal Jurnal Teknologi Forum Mekanika TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri Jurnal Teknologi Bahan dan Barang Teknik Journal of Sustainable Innovation Engineering
Tri Yuhanah
Institut Teknologi PLN
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Forum Mekanika

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Pengaruh Penambahan Lumpur Geothermal Dan Serat Baja Ban Bekas Terhadap Beton Devita Mayasari; Tri Yuhanah; Budi Wicaksono
FORUM MEKANIKA Vol 8 No 1 (2019): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.171 KB) | DOI: 10.33322/forummekanika.v8i1.341

Abstract

Concrete is a very popular construction material, widely used in construction. The waste that is in the surrounding environment begins to be used for mixed materials in the manufacture of concrete, one of which is geothermal mud (geothermal sludge) which has pozzolanic properties because it contains alumina silica minerals so that it can be used instead of cement. Waste steel fiber tires used residue from vehicles is an added material that can be used to improve the mechanical properties of concrete. This study aims to determine the effect of adding geothermal mud and used steel fiber to concrete. Planned concrete fc '30 MPa with geothermal mud as partial substitution of 20% cement and used tire steel fibers with variations of 0%, 0.5%, 1% and 1.5% of the weight of concrete. Concrete Variation 4 (1.5% used tire steel fiber + 20% geothermal mud) has the highest compressive strength of 32.13 MPa compared to normal concrete of 30.006 MPa. For the splitting tensile strength variation 4 is 1.8 MPa and its flexural strength is 2.457 MPa while the normal concrete is splitting tensile strength of 1.6 MPa and its bending strength is 2.210 MPa.
Pengaruh Air Mengunakan Reclaimed Asphalt Pavement Pada Campuran Beton Aspal Berdasarkan Uji Cantabro Dan Indirect Tensile Strength Tommy Iduwin; Devita Mayasari; Tri Yuhanah
FORUM MEKANIKA Vol 10 No 1 (2021): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/forummekanika.v10i1.1377

Abstract

The impact of RAP on water was identified to be analyzed for the material's resistance to water because there are still a lot of waterlogged pavements in Indonesia. This research uses RAP variation 0%, 25% and 35%. The test is the Marshall test to get the optimum asphalt content value, the Cantabro test to determine the weight loss for 300 rounds and the durability by varying the immersion 0.1, 2, 4 and 7 days which will be tested for ITS. The KAO value obtained for each variation is 5.4% for 0% Rap, 5.6 for 25% Rap and 6% for 35% RAP. The results of the Cantabro test show that the largest percentage of weight loss is a mixture of 35% RAP which is 12.54%, where for 0% RAP there is a weight loss of 10.85% and at 25% RAP there is a weight loss of 11.66%. ITS test results have the highest value with variations of RAP 0%, RAP 25% and RAP 35%. variations of 0%, 25% and 35% showed a decreasing trend until the 7th day of immersion, it can be said that in the three variations the ITS value was influenced by the duration of continuous immersion. Keywords: RAP, AC-WC, Marshall, Cantabro, Indirect Tensile Strength
Co-Authors Budi Wicaksono Devita Mayasari Iduwin, Tomy Mayasari, Devita Pratiwi Putri Pratiwi Setyaning Putri Pratiwi Setyaning Putri Purnama, Dicki Dian Tommy Iduwin