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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) ComEngApp : Computer Engineering and Applications Journal Jurnal Pendidikan Sosiologi dan Humaniora Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal KALAM Analisis: Jurnal Studi Keislaman Jurnal Script Jurnal Fisika Unand Jurnal Informatika dan Teknik Elektro Terapan JAWI : Journal of Southeast Asia Islamic Contemporary Issues Jurnal Fisika FLUX Al-Adyan: Jurnal Studi Lintas Agama Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Jurnal Kreativitas PKM Indonesian Physical Review Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Community Development Journal: Jurnal Pengabdian Masyarakat Spektrum Sipil Jurnal Generic Reputasi: Jurnal Rekayasa Perangkat Lunak Al-Iftah: Journal of Islamic studies and society Innovative: Journal Of Social Science Research ABDIKOM Socio Religia
Ahmad Zarkasi
Jurnal Studi Lintas Agama
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Journal : Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia

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The Influence of Base Isolator on The Reinforced Concrete Structures at Sapadia Mataram Hotel Earthquake-Induced Zarkasi, Ahmad; Hariyadi, Hariyadi; Hidayati, Nurul; Fitrayudha, Adryan; Heru, M.
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 9, No 1 (2024): EDISI MARET 2024
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v9i1.5562

Abstract

Ring of Fire and at the intersection of three tectonic plates. Efforts are needed to minimize earthquake damage, one of which is the use of a base isolator system. This study aims to determine the effect of using High Damping Rubber Bearing (HDRB) with a diameter of 800 mm on the behavior of reinforced concrete structures in tall buildings under seismic loads. The research location is the 7-story Sapadia Hotel building in the city of Mataram. The research is conducted by analyzing a 3D model of the fixed base structure and the base isolator structure using numerical analysis. The results show an increase in the base displacement of the base isolator structure by 59% in the x-direction and 44% in the y-direction, while the inter-story displacement decreases by 36% in the x-direction and 69% in the y-direction. The use of base isolators can reduce the shear force by 35% in the x-direction and 15% in the y-direction. Based on the pushover analysis, the roof displacement values for the fixed base and base isolator structures are 0.159 m and 0.129 m respectively. These values can be used to determine the structural performance level according to ATC-40. The maximum drift value for the fixed base structure is 0.0055 m. For the base isolator structure, the maximum drift value is 0.0044 m, categorized as Immediate Occupancy (IO). This value can be used to determine the performance level of the structure based on ATC-40. The maximum drift value of the fixed base structure is 0.0055m. While in the base isolator structure, the maximum drift value is 0.0044 m which is included in Immediate Occupancy (IO). Thus, the use of base isolators in high-level buildings is able to reduce post-earthquake damage and the building is still safe to continue using.
Mechanical Characterization of Sumbawa Local Sisal Fiber Polyester Composite Sandwich Panel compared to Meranti Wood Panels Fitrayudha, Adryan; Hidayati, Nurul; Zarkasi, Ahmad
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 8, No 1 (2023): EDISI MARET 2023
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v8i1.4493

Abstract

The development of composite material engineering is an effective solution for the development of green building-based materials that are being campaigned in various parts of the country today. The fundamental problem in composite engineering that is developing is the lack of use of environmentally friendly materials as the basic material for composite constituents. The use of natural fiber-based composite materials as reinforcement is one of the right solutions to answer the issue of green building in producing more environmentally friendly materials with much better mechanical resistance. The study aims to determine the flexural characteristics of sandwich panel beams of sengon (SPS) in comparison to Meranti beams. The material used as skin for SPS beams is a composite of sisal fiber polyester from Sumbawa Island. Test standard based on ASTM C393 (length 550 mm, width 50 mm, thickness 25 mm), with a total of 5 specimens each. The test results showed that the SPS beams had an average bending stress of 167.66 MPa, while the Meranti wood beams produced an average bending stress of 94.29 MPa. The amount of bending stress produced by SPS beams is 43.38% higher than meranti wood beams. The average deflection value of SPS beams is 20.34 mm, greater than the average deflection value of sengon wood of 15.42 mm. This shows that the use of sisal polyester composite skin on SPS beams can produce better mechanical characteristics compared to Meranti wood.ABSTRAKPerkembangan rekayasa material komposit merupakan solusi yang efektif bagi pengembangan material berbasis green building yang sedang dikampanyekan di berbagai belahan negara saat ini. Permasalahan mendasar dalam rekayasa komposit yang tengah berkembang adalah minimnya penggunaan material ramah lingkungan sebagai bahan dasar penyusun komposit. Penggunaan material komposit berbasis serat alam sebagai perkuatan (reinforcement) merupakan salah satu solusi yang tepat guna menjawab isu green building dalam menghasilkan material yang lebih ramah lingkungan dengan ketahanan mekanis yang jauh lebih baik pula. Penelitian ini bertujuan untuk mengetahui karakteristik lentur pada balok sandwich panel kayu sengon (SPS) dengan pembanding balok kayu meranti (kayu kelas II). Material yang digunakan sebagai skin pada balok SPS adalah komposit polyester serat sisal yang dibudidayakan di Pulau Sumbawa, Nusa Tenggara Barat. Standar pengujian berdasarkan ASTM C393 (panjang 550 mm, lebar 50 mm, tebal 25 mm), dengan jumlah masing-masing 5 benda uji. Hasil pengujian menunjukkan balok SPS memiliki tegangan lentur rata-rata sebesar 167,660 MPa, sedangkan pada balok kayu meranti menghasilkan tegangan lentur rata-rata sebesar 94,292 MPa. Besarnya tegangan lentur yang dihasilkan balok SPS lebih tinggi 43,380% dibandingkan balok kayu meranti (kayu kelas II). Nilai lendutan rata-rata pada balok SPS sebesar 20,340 mm, lebih besar dibandingkan nilai lendtan rata-rata kayu sengon sebesar 15,420 mm. Hal tersbut menunjukkan bahwa penggunaan skin komposit polyester sisal Sumbawa pada sandwich panel kayu sengon mampu menghasilkan karakteristik mekanik yang lebih baik dibandingkan dengan kayu Meranti.
Co-Authors -, Abdurahman - Abdurahman Abdurahman Adi Hermansyah, Adi Aditya Yoga Purnama Adrianus Inu Natalisanto Adryan Fitrayudha Agustam Agustam Ain, Hurun Almuqsit, Alif Amanda, Anggun Diah Amelia, Dinda Risky Amirin Kusmiran Andi Eka Putra Anwar Efendy Aroby, Sudhan Athalaza, Muhammad Nawar Aulia Muttaqin Bhakti Yudho Suprapto Bintar Asror Syaffutra Cahya, Serdian Eska Deris Stiawan Dhiafah Hera Darayani Duri, Ades Harafi Ellya Rosana Erna Kumalasari Erni Yustissiani Fadli Isnanto, Rahmat Fariyadin, M. Ruslin Anwar, Indradi Wijatmiko, Adiman Fitriyanto, Megi Ghofar Taufiq Hadi Purnawan Satria Hadipurnawan Satria Hamdani, Hafiz Hananda Putra, Muhammad Fauzan Hariyadi, Hariyadi Hasan, Aly Heni Pujiastuti Heriyanto, Ahmad Heru, M. Hidayat, Ahmad Taufiq Hidayatullah, Muhammad Huda Ubaya Idris Mandang, Idris Idrus Ruslan Intifadhah, Sahara Hamas Isfanari Isfanari Joni Safaat Adiansyah Kalsum, Afif Umi Kemahyanto Exaudi Kholis Nurhanafi Kurniati, Rizki Melan Susanti, Melan Mislan Muhammad Afif Munir, Rahmawati Naniek Widyastuti Ni Nyoman Kencanawati Novianti, Intan Nugroho Budi Wibowo Nuraidha, Amalia C Nurul Hidayati Osvari Arsalan P.P Prasetyo, Aditya Primanita, Anggina Putra, Lalu Lunk Ryanata Rahayu, Rafika Ade Ramli, Azhar Jaafar Romadhona, Londa Arrahmando Salim, Luthfi Sari, Putri Winda Sarmayanta Sembiring Sasmito Setiawati, Susi Siti Nurmaini Sudarman Suhar Janti Suhendri Suhendri Sukuryadi, Sukuryadi Sutarno Sutarno Sutarno Syafrimen Syafril Syahrir Syahrir Syarif Hidayatullah Titik Wahyuningsih Ubaidillah, Aji Syailendra Wahidah Wahidah Wahyudi, Mudji winarti, dwi Wulandari, Darmawati Y. A. P, Kadek Dwivayana Yesi Novaria Kunang Yudha, Gesit Yudi, Endang Darmawan