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All Journal Rekayasa Sipil Jurnal Rekayasa Sipil dan Lingkungan
Erno Widayanto
Universitas Jember
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Transportation

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Pengaruh Frekuensi dan Durasi Getaran pada Meja Getar Terhadap Kuat Tekan Beton Danang Suryadi; Dwi Nurtanto; Erno Widayanto
Jurnal Rekayasa Sipil dan Lingkungan Vol 5 No 2 (2021): Jurnal Rekayasa Sipil dan Lingkungan
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jrsl.v5i2.25540

Abstract

The compaction method of concrete using a vibrating table uses vibration waves propagation from the base of manufacture and vibration vibrations into the mixed concrete. In this research, variations of frequency use are 40 Hz, 50 Hz, and 60 Hz, with a duration of 8 seconds and 12 seconds. The test objects have cube-shaped with each side measuring 15 centimeters. The mold of concrete is made from plywood boards containing 6 cubes. The concrete was tested using the Compressive Test Concrete tool to determine the compressive strength of the concretes. The research results show that the highest compressive strength is 60 Hz and 12 seconds, which is 32,44 MPa and the lowest compressive strength is 28,74 MPa. ABSTRAK Metode pemadatan beton menggunakan meja getar menggunakan perambatan gelombang getar dari dasar cetakan dan gelombang getaran diserap ke dalam adonan beton. Pada penelitian ini, getaran yang digunakan untuk proses pemadatan memiliki variasi frekuensi 40 Hz, 50 Hz, dan 60 Hz, dan durasi getaran 8 detik dan 12 detik. Benda uji yang digunakan berbentuk kubus dengan tiap sisi berukuran 15 cm. Cetakan beton terbuat dari triplek berisi 6 buah kubus setiap cetakan. plate ini. Beton diuji menggunakan alat Compressive Test Concrete untuk mengetahui kuat tekan beton. Hasil dari penelitian ini adalah kuat tekan tertinggi yaitu 60 Hz dan 12 detik yaitu 32,44 MPa dan kuat tekan terendah yaitu 28,74 MPa.
Analisis Kinerja Struktur Gedung Bertingkat Menggunakan Sistem Rangka Pemikul Momen Khusus (SRPMK) pada Pembangunan Rumah Susun Cakung Jakarta Timur Hesty Auliya Dewi; Erno Widayanto; Ketut Aswatama Wiswamitra
Rekayasa Sipil Vol. 17 No. 3 (2023): Rekayasa Sipil Vol. 17 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.03.2

Abstract

Analysis of the structural performance of the Cakung house in East Jakarta aims to determine the behavior and performance of the building by using the Special Moment Bearing Frame system (SRPMK). Evaluation is carried out on the performance of the building structure by using a structural analysis aid program. And the lateral force capacity that the system can withstand is 1592432.05 Kgf in the X direction and 643948.61 Kgf in the Y direction. Where the pushover analysis using the ATC 40 method, the melting point occurred for the first time at a displacement of 23.57 cm in the X direction and 7.28 cm in the Y direction. And serious damage occurred at the displacement of 77.49 cm in the X direction and 94.84 in the Y direction. The analysis found that the drift ratio value of the maximum total deviation and the maximum inelastic deviation that occurs in the structure is less than 1%. So that the level of performance of the design is in the category of Immediate Occupancy (IO).
Perbandingan Nilai Simpangan Horizontal yang Menggunakan Bresing Tipe Diagonal dengan Inverted V dalam Menahan Gaya Lateral pada Studi Kasus Hotel Loji Kridanggo Boyolali Ratu Adila; Erno Widayanto; Ketut Aswatama Wiswamitra
Rekayasa Sipil Vol. 17 No. 3 (2023): Rekayasa Sipil Vol. 17 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.03.3

Abstract

Application of a bracing skeletal system is an additional steel structure that can strengthen a column by transferring weights and force to the received column. The broad use of flensa steel bracing type v diagonally and inverted gradually on each floor. It is possible to determine the junction of the junction if the building is brewed and not braced. The junction to cross section of the building does not use bracing, which USES bracing type v diagonal and inverted is 0.385:0.321:0.294. Bracing inverted type v is more rigid and sturdy than bracing diagonal types shown by the deviation of horizontal bracing the inverted type v smallest and volume 12.5 percent greater than bracing the type diagonal.
Co-Authors Danang Suryadi Dwi Nurtanto Hesty Auliya Dewi Ketut Aswatama Wiswamitra Ratu Adila