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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Semesta Teknika Jurnal Teknik Sipil Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Bangunan Jurnal Rekayasa Sipil Jurnal Pendidikan Agama Islam Al-Thariqah RACIC : Rab Construction Research AGREGAT AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Martabe : Jurnal Pengabdian Kepada Masyarakat Adimas : Jurnal Pengabdian Kepada Masyarakat Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Riset Rekayasa Sipil KURVATEK Bulletin of Civil Engineering PORTAL ABDIMAS
restu faizah
Universitas Muhammadiyah Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Public Health Social Sciences Transportation

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Journal : Semesta Teknika

 1 
Asesmen Cepat Kerentanan Bangunan Sekolah Muhammadiyah Terhadap Gempabumi di Kecamatan Kasihan Bantul DIY Faizah, Restu; Syamsi, Muhammad Ibnu
Semesta Teknika Vol 20, No 2 (2017): NOVEMBER 2017
Publisher : Semesta Teknika

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Abstract

School buildings are included as buildings with risk category IV (SNI 1726: 2012) because it is potentially causing multiple casualties if earthquakes occur during school hours. Therefore the readiness of school buildings to face the earthquakes should be prepared well. First of all, a rapid vulnerability assessment of the existing building under earthquake needs to be conducted. If the buildings are vulnerable then it should be followed by a strength check. This research objective is to assess the vulnerability of Muhammadiyah school buildings which are located in Kasihan sub-district of Bantul Regency, using Rapid Visual Screening FEMA 154-2002. There are 8 buildings, consist of elementary, middle school, and senior high school which are scattered in Tirtonirmolo, Tamantirto and Bangunjiwo, Kasihan, Bantul regency. According to FEMA 154-2002, the observation result finds that 4 schools indicated to have structure vulnerability under earthquake hazard so they need further analysis to know more detail about their strength. While the other 4 buildings do not need further analysis. The results of this study can be used as a recommendation for the Muhammadiyah Basic and Secondary Education Council (Majelis Pendidikan Dasar dan Menengah) to conduct more detailed testing for school buildings that are have vulnerabilites. In addition, this research method also can be extend to school buildings or non-school buildings in other areas. 
Studi Perbandingan Pembebanan Gempa Statik Ekuivalen dan Dinamik Time History pada Gedung Bertingkat di Yogyakarta Faizah, Restu
Semesta Teknika Vol 18, No 2 (2015): NOVEMBER 2015
Publisher : Semesta Teknika

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Time history dynamic analysis is the most accurate method in seismic load calculation, but it is quite complicated and time consuming. For practical need in the field, it used the equivalent static analysis that is the simplified dynamic analysis. The main difference between the static and dynamic concept is on the building characteristic that is calculated in analysis. Dynamic concept calculates the mass, stiffness and damping, while in static concept, only calculates the mass. It is stated in SNI 1726-2012 that equivalent static analysis can only be performed for horizontally and vertically regular structure. Irregular building design, asymmetrical floor plan, and high-rise building can use dynamic analysis. This research compared the result of equivalent static seismic load and time history dynamic analysis on the reinforced concrete frame structure of 5 levels, 10 levels, 15 levels, 20 levels, 25 levels, and 30 levels. Time history dynamic analysis is done with the assistance of Matlab program and used of accelerogram of 2006 Yogyakarta earthquake as the seismic input. The result of this study shows that the calculation result of the equivalent static seismic load is quite accurate on the 5 levels building, because it gives larger requirement in designing the structure, compared to the time history dynamic analysis of the seismic load. While on the calculation of equivalent static seismic load on the 10 or more levels structure is considered as not accurate, because it gives smaller requirements in designing the structure, compared to the time history dynamic analysis of the seismic load.
Kuat Tekan dan Tarik Belah Beton Serat Menggunakan Aggregat Ringan As'at Pujianto; Restu Faizah; Dodi Agusto Wijaya; Junaidi Abdurazak; Hakas Prayuda; Hendy Wijaya
Semesta Teknika Vol 24, No 1 (2021): MEI 2021
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v24i1.12084

Abstract

Beton adalah material untuk infrastruktur sipil yang sangat sering ditemukan dan digunakan di Indonesia. Beton memiliki berbagai kelebihan di antaranya ekonomis, tahan lama, ketahanan terhadap api yang tinggi dan kemudahan untuk mendapatkan bahan penyusunnya. Beton memiliki berat lebih kurang 2400 kg/m3, berat sendiri beton yang cukup tinggi merupakan salah satu kelemahan yang dimiliki beton. Tujuan dari penelitian ini adalah untuk menginvestigasi sifat dasar mekanik beton ringan yang dikombinasikan dengan fiber. Batu apung digunakan pada penelitian ini sebagai agregat kasar sehingga berat jenis dari beton menjadi berkurang. Selain itu, untuk meningkatkan daktilitas beton digunakan dua jenis serat sebagai material tambahan. Serat buatan yang digunakan berupa glass fiber dan steel fiber dengan jumlahnya divariasikan dari 0%; 0,5%; 0,75% dan 1,0% dari total berat binder. Beberapa pengujian yang dilakukan pada studi ini yaitu memeriksa sifat beton segar dan beton yang telah mengeras. Pengujian slump dilakukan untuk memeriksa tingkat workabilitas beton segar sedangkan kuat tekan dan kuat tarik belah pada umur beton 28 hari dengan benda uji berbentuk silinder digunakan untuk menginvestigasi sifat beton yang telah mengeras. Hasil pemeriksaan beton segar menunjukkan bahwa penambahan jumlah serat yang tinggi menghasilkan workabilitas yang rendah. Sedangkan sifat beton keras menunjukkan bahwa baik kuat tekan maupun kuat tarik belah dengan jumlah serat yang tinggi mengalami peningkatan dibandingkan dengan beton normal.
Co-Authors Acep Widiyanto Aminullah, Akhmad Anisa Fitriani La Kasim Aristyasari, Yunita Furi As'at Pujianto As’at Pujianto Atmaja P Rosyidi, Sri Bayu Krisna Wisnulingga Bunsa Jondan Satriawan Darmawan, Muhammad Harris Dawam Adhiguna Dhanang Deddy Handoko Dodi Agusto Wijaya Edi Hartono Evy Kusumaningrum Fadhila Firdausa Fitriani La Kasim, Anisa Guntur Nugroho Hakas Prayuda Hendy Wijaya Henricus Priyosulistyo, Henricus Herlambang Naufal Seno Nugroho Ibnu Syamsi, Muhammad Imam Wicaksono Istiningsih, Istiningsih Jondan Satriawan, Bunsa Junaidi Abdurazak Kartika, Nia Kharisma Wira Nindhita Monika, Fanny Muzlifa, Rika Naufal Seno Nugroho, Herlambang Nazrey Rahario Nugroho Nugroho, Nazrey Rahario Nursetiawan Nursetiawan Nursetiawan Nursetiawan, Nursetiawan Nurul Chotimah Prasetya, Aryansyah Aditiya Prasetyo, Nugroho Budi Pratama, Putra Andhika Dwi Pratama, Wahyu Arif Puji Harsanto Puji Harsanto Saputra, Elvis Seno Nugroho, Herlambang Naufal Setioningsih, RETNOWATI Sri Atmaja P Rosyidi Sumarsono Sumarsono Surya Budi Lesmana Syamsi, Muhammad Ibnu Tahadjuddin Tri Ananda Putri Wahyu Widodo Wibowo, Prio Arif Wijaya, Diva Darma Willis Diana Wira Nindhita, Kharisma