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All Journal Jurnal Ilmiah Poli Rekayasa Community Development Journal: Jurnal Pengabdian Masyarakat
Fransiska, Yolla
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Humanities Economics, Econometrics & Finance Education Health Professions Public Health

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ANALISIS PENGARUH GAYA GEMPA TIDAK SERAGAM TERHADAP RESPONS STRUKTUR JEMBATAN GANTUNG Sari, Putri Kumala; Fransiska, Yolla
Jurnal Ilmiah Poli Rekayasa Vol 20, No 2 (2025): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.20.2.393

Abstract

Bridges are essential infrastructures that serve to connect two regions separated by various geographical conditions. Among the various types of bridges, suspension bridges are commonly used for long-span applications. The main structural components of a suspension bridge consist of the main cables and vertical suspenders. Due to their long spans, suspension bridges are susceptible to differential ground motions at each support, which may arise from varying soil conditions—this phenomenon is referred to as multi-support excitation. In this study, three types of analyses were conducted: static analysis, dynamic analysis under longitudinal seismic excitation, and dynamic analysis under transverse seismic excitation, using MIDAS Civil software. The soil conditions applied in all three analyses were assumed to be stiff soil at the left support and soft soil at the right support. The structural responses observed include internal forces and displacements. The seismic loads were defined using the time history method. The time history records were derived from the conversion of response spectra for the Bukittinggi region, considering both stiff and soft soil conditions. The results indicate that, in both longitudinal and transverse dynamic seismic analyses, the highest internal force values predominantly occurred at the support located in the soft soil area, except for moment values, which reached their maximum at the support in the stiff soil area. The maximum Dynamic Amplification Factor (DAF) in the longitudinal direction of the girder occurred at an element located at 0,25 of the span length on the right side, with a value of 2,621.
SIMULASI HIDROLOGI SISTEM DRAINASE KAWASAN JATI KOTA PADANG MENGGUNAKAN HEC-HMS Fransiska, Yolla; Sari, Putri Kumala
Jurnal Ilmiah Poli Rekayasa Vol 20, No 2 (2025): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.20.2.389

Abstract

The Jati Area in Padang City is one of the urban regions affected by flooding and waterlogging, particularly during the rainy season. The flooding issue in this area is not only caused by the insufficient capacity of the drainage channels but also by the lack of understanding regarding the hydrological characteristics of the region. Therefore, a hydrologically based modeling approach is essential to analyze and predict the response of the catchment area to rainfall, surface runoff discharge, and the effectiveness of the existing drainage system. In this study, the author models the drainage system in the Jati area using the HEC-HMS program, with the aim of obtaining the peak discharge value during extreme rainfall events and determining the timing of the maximum discharge. HEC-HMS is a widely used software for hydrologic modeling, particularly for simulating the runoff process from a watershed area. The research consists of three main stages: data collection, data processing, and drawing conclusions from the results. Based on the simulation results of the hydrologic modeling analysis of the drainage network in the Jati area, it was found that the channels at certain nodes are unable to accommodate the design discharge load, resulting in flooding due to the insufficient capacity of those channels. The results of this study can be used by policymakers for the redesign of drainage infrastructure, such as modifying the channel dimensions from a base width of 6.5 m, 6.8 m, and 6.8 m at reach 9, reach 10, and reach 11 respectively, to 8.5 m based on the peak discharge from the simulation results, which is 37.5 m³/s.
PEMETAAN KAWASAN AGROWISATA BUKIT LABUANG KELURAHAN LIMAU MANIS Amri, Syaiful; Putra, Roni Tri; Wisafri, Wisafri; Fransiska, Yolla; Liliwarti, Liliwarti; Randa, Gusti
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 5 No. 5 (2024): Vol. 5 No. 5 Tahun 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v5i5.36900

Abstract

Kawasan agrowisata memiliki potensi besar untuk mendukung pengembangan ekonomi lokal. Kawasan agrowisata Bukit Labuang berada di perbukitan Kelurahan Limau Manih, Kecamatan Pauh berjarak sekitar 25 kilometer dari pusat Kota Padang. Saat ini kawasan Bukit Labuang di Kelurahan Limau Manih, Kecamatan Pauh tengah dalam rencana pengembangan destinasi wisata dengan melibatkan banyak pihak, dengan adanya berkolaborasi tersebut akan mempercepat terwujudnya tempat wisata yang berdampak terhadap perekonomian masyarakat sekitar. Tujuan pengembangan destinasi wisata Bukit Labuang ini diantaranya adalah untuk mengurangi rumah tangga miskin dan mempekerjakan para remaja usia produktif, serta meningkatkan perekonomian masyarakat terutama para peladang di daerah ini. Kegiatan pengembangan memerlukan data dasar untuk memetakan posisi pada bagian mana rencana pengembangan akan dilanjutkan. Untuk itu, perlu dilakukan survey dan pemetaan untuk menghasilkan data dasar pemetaan objek agrowisata yang akan dikembangkan. Data dasar ini yang akan digunakan untuk pemetaan sebagai data perencanaan pengembangan objek agrowisata. Kemudian juga dapat memberikan informasi persebaran lokasi potensi objek agrowisata sehingga mengetahui titik koordinat lokasi dan bisa dipetakan.
Co-Authors - Liliwarti Gusti Randa Putra, Roni Tri Sari, Putri Kumala Syaiful Amri Wisafri Wisafri