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All Journal Jurnal Mahasiswa TEUB ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Valuasi : Jurnal Ilmiah Ilmu Manajemen dan Kewirausahaan Action Research Literate (ARL) Journal of Innovation Research and Knowledge Jurnal Sosial dan Sains Jurnal Indonesia Sosial Sains Journal of Artificial Intelligence and Digital Business Jurnal Review Politik Ranah Research : Journal of Multidisciplinary Research and Development Al-Bidayah : jurnal pendidikan dasar Islam Jurnal Teknik Sipil TABELLIUS
Muhammad Aswin
Dept. of Mechanical Engineering, Brawijaya, University Malang
Religion Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Physics Public Health Social Sciences Transportation Other

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Journal : Syntax Literate: Jurnal Ilmiah Indonesia

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Evaluation on Effective Dimensions of Base Isolators Applied at Existing RC Building due to Earthquakes Suranto, Jaka; Aswin, Muhammad; Nursyamsi, Nursyamsi
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v9i4.15761

Abstract

This study investigates the structural performance of High Damper Rubber Bearings (HDRB) as base isolators in reinforced concrete (RC) buildings subjected to seismic loads. Given the potential for damage or collapse in RC buildings during earthquakes, the utilization of base isolators offers a promising solution to mitigate seismic risks. Finite element analysis was employed to assess the displacement efficiency of different HDRB configurations, focusing on the SMP 5 Muhammadiyah building in Surabaya as a case study. Results indicate that HDRB type HH090X6R exhibits superior performance, achieving displacement efficiencies of 90.56% in the x-direction and 95.87% in the y-direction. These findings underscore the importance of selecting optimal base isolator configurations to enhance the seismic resilience of RC structures. The study's implications extend to seismic retrofitting and structural design practices, offering valuable insights for improving the seismic performance of existing buildings and bolstering community resilience to earthquakes.
Workability Investigation on the Fresh Mix of ECC Mortar and Crumb Rubber (CR)-ECC based on Variations of Palm Shell Ash, River Sand, and Cement Lubis, Agussalim; Aswin, Muhammad; Hasibuan, Gina Cynthia R.
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v9i5.15789

Abstract

Engineered cementitious composite (ECC) is a composite that has better tensile properties and behavior than concrete. ECCs are usually made of cement, water, silica sand, cementitious materials, fibers, and other additives. The term ECC mortar is used because the ECC does not use fiber. The cementitious material in this research uses palm shell ash, with a proportion of 5%, 10%, and 15% of the cement weight. As a replacement for the fiber, crumb rubbers are used, with proportions of 2.5%; 5%; 7.5%; 10% and 12.5% of the cement weight. Workability was measured based on slumpflow tests (with measurements T500 and slumpflow diameter). The objective of this study is to establish the workability of fresh mix of the ECC mortar and CR-ECC with variations in the addition of palm shell ash, cement, sand and crumb rubber. Based on the results of slumpflow tests, the average diameter for fresh ECC mortars ranges between 88 cm to 106.5 cm, and the T500 ranges from 0.28 seconds to 1.39 seconds. As for fresh CR-ECC mix, the mean slumpflow diameter is between 71 cm to 93 cm and the T500 ranging between 0.90 seconds and 1.68 seconds. All of these values meet the slumpflow requirements stipulated by EFNARC. Nevertheless, the workability of the fresh mix ECC mortar is more flowable than the fresh mix CR-ECC. This is because crumb rubbers are water-absorbing.
Efek Peningkatan Persentase Penggunaan Crumb Rubber pada Adukan Segar Crumb Rubber-Engineered Cementitious Composites (CR-ECC) terhadap Slumpflow Hasibuan, Fery Hamonangan; Aswin, Muhammad; Hasibuan, Gina Cynthia Raphita
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v9i6.15998

Abstract

Komposit yang memiliki sifat dan perilaku tarik yang lebih baik dibandingkan dengan beton sering dikenal dengan sebutan engineered cementitious composites (ECC). ECC biasanya terbuat dari semen, air, pasir silika, material cementitious, serat, dan bahan tambah lainnya dengan proporsi tertentu. Istilah mortar ECC digunakan karena ECC tersebut tidak menggunakan serat. Abu cangkang sawit (ACS) digunakan sebagai material cementitious pada riset ini. Sedangkan sebagai pengganti serat, digunakan crumb rubber (dengan proporsi 2,5%; 5%; 7,5%; 10% dan 12,5% dari berat semen) untuk membentuk CR-ECC. Workability diukur berdasarkan uji slumpflow yaitu pengukuran T500 dan diameter slumpflow. Tujuan penelitian ini adalah untuk meninjau penggunaan variasi crumb rubber terhadap slumpflow adukan segar CR-ECC yang berbasis abu cangkang sawit. Berdasarkan hasil dari pengujian slumpflow, diperoleh diameter sebaran slumpflow rata-rata (D) dari adukan segar CR-ECC terletak antara 710 mm sampai dengan 930 mm, sedangkan waktu sebaran slumpflow (T500) dari adukan segar CR-ECC yaitu berkisar antara 0,90 detik sampai dengan 1,68 detik. Hasil pengujian slumpflow dari adukan segar CR-ECC menunjukkan workability yang baik, dan sudah sesuai dengan ketentuan standar. Penggunaan crumb rubber dapat mempengaruhi workability karena factor daya serapnya terhadap air, namun keterlibatan penggunaan superplasticizer ternyata sangat berperan dalam mempertahankan workability adukan segar CR-ECC, sekalipun nilai faktor air semen (f.a.s) konstan.
Co-Authors Adharul Muttaqin Al-Mukhlasin, Sultan Ainnur Ridwan Alaydrus Amsal Sahban, Muhammad Angger Abdul Razak Asfiati, Asfiati Bustami Syam Citta, Andi Batary Fathonni, Mochammad Cyrilla FERDIANA, KHAIRUNISA Harahap, Syahirah Dalila Harry Soekotjo Dachlan Hasan, Hasni Hasibuan, Fery Hamonangan Hasibuan, Gina Cynthia R. Hasibuan, Gina Cynthia Raphita Hendra Suprayogi IMRAN, AZZAM ZAHFRAN Imran, Azzam Zhafran Jawade Hafidz Khairullah, Naufal Raihan Kusnadi, Vanny Kusuma, Yobel Fernando Ilianto Kuswardana, Ega Ferdian La Ode Wahidin Lubis, Agussalim Luthfia, Sarah Aqila Mahdi, Nur Imam Maulana, Eka Mediyanto, Ralfie Mirza MERIKSA SEMBIRING Merinda Lestandy Muh. Husriadi Muhammad Aziz Muslim Nursyamsi Nursyamsi Pambudi, Muhammad Farrel Putra Pranoto, Arrya Fayiz Raden Arief Setyawan Rahmadwati Rahmadwati Rahmadwati, n/a Simbolon, Eka Silvy Maranatha Siregar, Hariman Suranto, Jaka Sutrisno, Sutrisno Syafriyadi Nor Wahyu Wiji Utomo Zainul Abidin