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All Journal Jurnal Rekayasa Sipil dan Lingkungan Journal of Civil Engineering and Vocational Education
Asyari, Saidatul Alfena Putri
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Engineering Environmental Science Transportation

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Analisis Hubungan Balok Kolom Beton Bertulang pada Proyek Pembangunan Gedung Laboratorium Biologi UNESA Ketintang Kota Surabaya Wardana, Zahra Ramadhani; Asyari, Saidatul Alfena Putri; Kartini, Wahyu
Jurnal Rekayasa Sipil dan Lingkungan Vol 7 No 2 (2023): Jurnal Rekayasa Sipil dan Lingkungan
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jrsl.v7i2.38019

Abstract

Frequent structural failures begin with failures in the beam-column connection area. The beam-column connection, especially in the interior, is the most critical part of a reinforced concrete frame structure, so it must be carefully designed to maintain ductile behavior with inelastic response during strong earthquakes. Although Surabaya is not a region with a high earthquake risk, building planning must still take into account that it is resistant to earthquakes. This study was conducted to ascertain whether the requirements of strong column - weak beam and shear strength have been met or not in the column-beam relationship in the UNESA Ketintang Biology Laboratory Building. The goal of this study is to examine the structure's reinforced concrete column-beam interaction. In this study, the analysis was carried out at the interior column beam meeting, with the calculations carried out referring to SNI 2847-2019. The analysis results obtained the value of the factored shear strength (Vu) of 1560.97 kN is smaller than the nominal shear force (Vn) of 1935.87 kN. Then, for the analysis results for strong column weak beam, 867.40 kNm for column bending capacity (Mnc) is greater than 1.2 times the beam bending capacity (Mnb) which is 676.57 kNm. Keywords: shear force, column-beam relationship, interior, joint, strong column-weak beam. Kegagalan struktur yang sering terjadi bermula pada kegagalan di area hubungan balok kolom (HBK). HBK terutama pada bagian interior merupakan bagian paling kritis pada suatu struktur rangka beton bertulang, sehingga harus didesain dengan teliti agar tetap berperilaku daktail dengan respon inelastik pada saat terjadi gempa kuat. Meskipun Surabaya bukan termasuk wilayah dengan resiko gempa tinggi, namun perencanaan gedung tetap harus memperhitungkan agar tahan terhadap gempa. Penelitian ini dilakukan untuk mengetahui apakah hubungan balok kolom pada Gedung Laboratorium Biologi UNESA Ketintang sudah memenuhi konsep strong column weak beam dan persyaratan kuat geser atau sebaliknya. Penelitian ini bertujuan untuk menganalisa hubungan balok kolom beton bertulang pada gedung tersebut. Pada penelitian ini analisa dilakukan pada pertemuan balok kolom interior dengan perhitungan yang dilakukan mengacu pada SNI 2847-2019. Hasil analisa didapat nilai kuat geser terfaktor (Vu) sebesar 1560,97 kN lebih kecil dari gaya geser nominal (Vn) sebesar 1935,87 kN. Lalu, untuk hasil analisa untuk strong column weak beam didapat hasil 867,40 kNm untuk kapasitas lentur kolom (Mnc) lebih besar dari 1,2 kali kapasitas lentur balok (Mnb) yaitu 676,57 kNm. Kata kunci: gaya geser, hubungan balok kolom, interior, joint, kolom kuat-balok lemah
Analysis of Project Delay Using the Fault Tree Analysis (FTA) Method in Rising Building Projects Asyari, Saidatul Alfena Putri; Putra, I Nyoman Dita Pahang
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.31

Abstract

A job on a construction project can affect delays throughout the project. Every construction project has a specific plan and schedule for when to start when to finish, how to schedule, and how to provide resources. There should be no delays in implementation because they will result in increased project costs. However, there was a delay in the performance of the lecture building construction project with the Faculty of Engineering UPN "Veteran" East Java. The methods given in the discussion to determine the factors that influence the occurrence of delays are the Fault Tree Analysis (FTA) method and the Obtain Cut Set Method (MOCUS). Work items that experienced delays were structural, architectural, and MEP work. There are three top events known through FTA analysis, namely delays caused by design changes and wrong drawings, which are factors causing delays from service users. The dominant factor causing delays in structural work is the difference in elevation with elegant buildings and a need for more attention to structural safety. This problem occurs in the top event factor of service users. The service users referred to in scientific research are the owners and/or planning consultants. From the results of a quantitative Fault Tree analysis, the reliability value of the structural work is 0.861. In this case, the structural work experienced a delay of >10% with a Reliability value below 90%, so the contract was declared critical.
Co-Authors NYOMAN DITA PAHANG PUTRA, NYOMAN Wahyu Kartini Wardana, Zahra Ramadhani