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Ikhwanudin
Universitas PGRI Semarang
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Analisis Kinerja Struktur Bangunan Gedung Laboratorium 5 Lantai Terhadap Gempa Kuat Lintang Enggartiasto; Agung Kristiawan; Ikhwanudin Ikhwanudin; Risdiana Cholifatul Afifah
Teras Jurnal : Jurnal Teknik Sipil Vol. 14 No. 2 (2024): Volume 14 Nomor 2, September 2024
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v14i2.1186

Abstract

Abstrak Perencanaan ketahanan gempa untuk bangunan gedung sangat diperlukan sebagai konsekuensi kondisi geografi Negara Indonesia yang sebagian besar memiliki resiko gempa yang tinggi. Penelitian ini membahas kinerja struktur gedung laboratorium 5 lantai eksisting terhadap gempa kuat. Metode yang digunakan meliputi non-linier statik pushover dan non linier dinamik riwayat waktu (time history). Rekaman gempa yang digunakan digunakan adalah gempa kuat dengan percepatan spektrum 0.2 detik dengan rasio redaman 5% untuk periode 2500 tahun. Hasil analisis pushover level kinerja struktur saat performance point arah X termasuk kategori Immediate Occupancy dan arah Y termasuk kategori Damage Control dengan parameter sistem struktur hasil analisis non linier yang memenuhi syarat terhadap parameter desain SNI 1726-2019. Drift ratio terbesar pada analisis riwayat waktu menghasilkan level kinerja struktur dengan kategori Damage Control. Disimpulkan dengan kategori level kinerja struktur tersebut, saat terjadi gempa kuat (periode 2500 tahun) struktur akan mengalami kerusakan struktural yang ringan dan masih dapat diperbaiki untuk difungsikan kembali. Kata kunci: Desain berbasis kinerja, analisis non-linier, level kinerja struktur  Abstract Due to the geography of Indonesia, most of which has a high seismic risk, seismic design of buildings is necessary. This research discusses the structural performance of an existing 5-story laboratory building against strong earthquakes.  The methods used include nonlinear static pushover and nonlinear dynamic time history. The earthquake record used is a strong earthquake with an acceleration spectrum of 0.2 seconds and a damping ratio of 5% for a period of 2500 years. The results of the pushover analysis of the structural performance level at the performance point in the X-direction include the Immediate Occupancy category and in the Y-direction include the Damage Control category with the structural system parameters of the nonlinear analysis results that meet the requirements of the SNI 1726-2019 design parameters. The largest drift ratio in the time history analysis results in a structural performance level with the Damage Control category. It is concluded that with this category of structural performance level, during a strong earthquake (2500 year period), the structure will experience minor structural damage and can still be repaired to function. Keywords: Performance Based Design, Non-Linier Analysis, Structural Performance Level
Optimalisasi Kinerja Simpang Tiga Bersinyal Ruas Jalan Gapuro–Kalikupang dan Ruas Jalan Basuki Rachmat Pasar Warungasem Kabupaten Batang Menggunakan Metode PKJI 2023 Mochamad Hanindhita Purwitoatmojo; Agustina Wardani; Ikhwanudin Ikhwanudin
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 4 No. 2 (2026): April : Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Si
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v4i2.1550

Abstract

The signalized three-way intersection at the junction of Gapuro–Kalikupang Road and Basuki Rachmat Road in the Warungasem Market area, Batang Regency, is one of the locations with high traffic volume due to the growth of commercial and service activities. These conditions have led to an increase in vehicle volume, resulting in delays, long queues, and a decline in intersection service levels, particularly during peak hours. This study aims to analyze the intersection’s performance based on the 2023 Indonesian Road Capacity Guidelines (PKJI), determine the optimal traffic signal cycle timing using the Webster method, and evaluate changes in intersection performance following optimization. The research method employs a quantitative approach through a seven-day traffic survey conducted during peak hours. Primary data included traffic volume, intersection geometry, TS signal timing, and side-constraint conditions, while secondary data were obtained from relevant agencies. Analyses were conducted on intersection capacity, degree of saturation, queue length, delay, and level of service in accordance with PKJI 2023. The results of the study indicate that the existing conditions of the intersection do not yet provide optimal service due to high traffic volumes on several approaches. Optimizing the TS signal cycle times using the Webster method was able to increase approach capacity, lower the degree of saturation, reduce delay, and shorten vehicle queue lengths.
Co-Authors Afifah, Risdiana Cholifatul Agung Kristiawan Agustina Wardani Alfiah Maulina Kusumawati Donny Ariawan Eka Sari Setianingsih F Yudaningrum Ibnu Toto Husodo, Ibnu Toto Iin Purnamasari Leny Putriani Lintang Enggartiasto M Chamim Nufis M Ridwan Mochamad Hanindhita Purwitoatmojo Mohammad Debby Rizani N Fitriasari Ndaru Hario Sutaji Risdiana Cholifatul Afifah S Sholehah Slamet Budirahardjo Yudaningrum, Farida Yudaningrum, Farida