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Journal : JUTIS

Pemetaan Tingka Kebisingan Pada Pemukiman Sekitar Rel Kereta Api di Kota Bekasi Fitriani, Fitriani; Miarsono, Harry; Hidayatullah, Syarif; Pratama, Ardi
JURNAL TEKNIK SIPIL Vol 6 No 1 (2025): Jurnal Teknik Sipil - Juni 2025
Publisher : Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jts.v6i1.6237

Abstract

The expansion of Jakarta’s suburban areas has intensified residential development near railway lines, including Bekasi City, West Java. High-frequency train operations generate noise levels that may exceed the residential environmental quality standard of 55 dB(A) stipulated by Indonesia’s Ministry of Environment Decree No.48/1996. This study aims to measure noise levels, map their spatial distribution, and propose mitigation strategies. Measurements were conducted using a Sound Level Meter (SLM) at ten sampling points on both sides of the railway, spaced approximately 400 meters apart. Data were collected over two weeks during peak hours, with readings recorded every 5 seconds for 10 minutes at each point. Results indicate average daily noise levels of 60–65 dB(A), with the highest value of 75 dB(A) at approximately 3 meters from the track and the lowest value of 52 dB(A) beyond 15 meters. Noise mapping using Surfer 15.0 and ArcGIS 10.2 shows critical zones >70 dB(A) within a 0–5 meter radius, while zones of 60–70 dB(A) dominate 5–10 meters. Levels below 55 dB(A) occur only beyond 15 meters and are rare due to high housing density. Recommended mitigation includes natural barriers such as dense vegetation, artificial barriers such as acoustic panels, and enforcing a minimum 20-meter setback for new housing development. This study underscores the importance of noise mapping as a foundation for spatial planning and residential environmental protection.
Evaluasi Kinerja Seismik Bangunan Beton Bertulang Lima Lantai Menggunakan Analisis Respons Spektrum dan Pushover Berdasarkan SNI 1726:2019. Pratama, Ardi; Herol; Juse Roejanto; fitriani; Sutrisno Aji Prasetio
JURNAL TEKNIK SIPIL Vol 7 No 2 (2025): Jurnal Teknik Sipil - Desember 2025
Publisher : Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jts.v7i2.7296

Abstract

Bangunan beton bertulang yang berada di wilayah rawan gempa harus direncanakan dengan memperhatikan kinerja seismik untuk menjamin keselamatan struktur dan penggunanya. Penelitian ini bertujuan untuk mengevaluasi kinerja seismik bangunan perkantoran beton bertulang lima lantai yang dirancang menggunakan Sistem Rangka Pemikul Momen Khusus (SRPMK) berdasarkan ketentuan SNI 1726:2019. Analisis struktur dilakukan secara tiga dimensi dengan metode analisis dinamik respons spektrum untuk mengevaluasi karakteristik struktur, meliputi periode fundamental, partisipasi massa, mode shape, simpangan antar lantai, ketidakberaturan struktur, serta gaya geser dasar. Selain itu, penilaian tingkat kinerja struktur dilakukan menggunakan analisis pushover berdasarkan pendekatan performance-based design. Hasil analisis menunjukkan bahwa struktur memenuhi seluruh persyaratan kinerja seismik yang ditetapkan dalam SNI 1726:2019, termasuk batas simpangan antar lantai dan kestabilan terhadap pengaruh P-delta. Analisis pushover menunjukkan bahwa bangunan mencapai tingkat kinerja Life Safety (LS) dengan nilai drift maksimum berkisar antara 1,6–1,7%. Hal ini menunjukkan bahwa bangunan masih mampu menahan beban gempa rencana tanpa mengalami keruntuhan, meskipun terjadi kerusakan struktural yang signifikan.