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All Journal Jurnal Kolaboratif Sains Jurnal Surya Teknika
Eko Widodo
Program Studi Teknik Sipil, Fakultas Teknik, Universitas Muhammadiyah Palu
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ANALISA DINAMIS PADA PORTAL GEDUNG BERTINGKAT TERHADAP BEBAN GEMPA SESUAI SNI 1726:2019 WILAYAH KOTA PALU M. Zain, Arzal; Widodo, Eko; Arlangga, Moh. Nugar
Surya Teknika Vol. 1 No. 1 (2024): Jurnal Surya Teknika Volume 1 Edisi 1 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31934/jst.v1i1.4608

Abstract

Dynamic Analysis of Multi-storey Building Portals towards Earthquake Loads According to SNI 1726:2019 in Palu City. We ofien feel the ground surface vibrations due to earthquakes which have an impact on high-rise building structures and s concrete avidence that our country is mostly located in earthquake areas. According to the earthquake resistance planning guidelines forhauses and buildings (SNI 1726:2019), dynamic analysis can be carried out by analyzing the variety of response spectrum. The shear resisting structure only takes into account horizontal forces and lateral deflections. The magnitude of displacement, the shape of the structural change depends on the size of the ratio between the mass and the stiffness of the column. The matrix method playsa very important rorein determining the CicularNatural Frequency (?) and the shape og the structure change (mode shape) and the superposition mode plays a role in superposing the acting forces with the displacement to a simpler from. Basiccally, the actual earhquake force is significantly difficult to predict, butthe analysis approach is to obtain the design earthquake force that the structure can bear.
Dampak Perubahan Tutupan Lahan Perkotaan terhadap Hidro-Klimat Lokal dan Kinerja Sistem Drainase: Suatu Tinjauan Literatur Sistematis: Impact of Urban Land Cover Change on Local Hydro-Climate and Drainage System Performance: A Systematic Literature Review Hasanuddin; Sulfiati; Eko Widodo
Jurnal Kolaboratif Sains (Special Issue) - Jurnal Kolaboratif Sains (JKS) - Desember 2025
Publisher : Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56338/jks.v8i12.8031

Abstract

Perubahan tutupan lahan akibat urbanisasi di kawasan perkotaan telah menimbulkan dampak signifikan terhadap keseimbangan hidrologi dan sistem drainase. Peningkatan luas permukaan kedap air mengurangi kapasitas infiltrasi dan meningkatkan volume limpasan permukaan, yang pada gilirannya menurunkan efektivitas sistem drainase eksisting. Penelitian ini bertujuan untuk menganalisis secara sistematis hubungan antara perubahan tutupan lahan, respon hidro-klimat lokal, dan kinerja sistem drainase di kawasan perkotaan tropis. Metode yang digunakan adalah Systematic Literature Review (SLR) berdasarkan pendekatan PRISMA, dengan sumber data berasal dari Scopus, ScienceDirect, Web of Science, dan Portal Garuda. Hasil sintesis menunjukkan bahwa peningkatan area terbangun sebesar 10–20% dapat menaikkan debit puncak hingga dua kali lipat, serta memperpendek waktu konsentrasi hingga 40%. Penurunan efisiensi drainase ditemukan di hampir seluruh kasus akibat kapasitas hidraulik saluran yang tidak lagi sesuai dengan kondisi aktual. Penelitian ini menegaskan perlunya pembaruan parameter hidrologi dan pendekatan desain drainase yang adaptif terhadap perubahan tutupan lahan.
Co-Authors Arlangga, Moh. Nugar Arzal M. Zain Hasanuddin Sulfiati