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All Journal Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT)
Setyoasri, Yosephina Puspa
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Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Estimasi Kebutuhan Dimensi Bangunan Penangkap Sedimen pada Saluran Drainase Kota Cirebon Menggunakan Analisis Hidrologi dan Metode USLE Prastica, Rian Mantasa Salve; Setyoasri, Yosephina Puspa
Journal of Applied Civil Engineering and Infrastructure Technology Vol 3 No 1 (2022): Agustus 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v3i1.342

Abstract

Sediment carried by water is one of the problems that has a negative impact on aquatic ecosystems, especially if the water is used for public consumption. One of the mitigations that can be done is the construction of a sediment trap building so that the water does not contain a lot of solids containing polluting waste nutrients. In this study, the dimensions of the sediment catchment building in Cirebon City were estimated using hydrological analysis and basic hydraulics as research methods. The estimation of erosion and sedimentation rates was carried out using the USLE method. From the results of the analysis, the dimensions of the sediment catcher are required with a height of 2.5 meters and a bottom width of 7 meters and an estimated length of a sediment catcher of 250 meters. Suggestions for future research, it is hoped that the estimation of the construction of this sediment catcher uses a program or analytical tool so that the estimation results are more accurate and effective when implemented in the field.
Penentuan Debit Banjir Rancangan Sungai Saluki Kabupaten Sigi dengan Metode HSS SCS Setyoasri, Yosephina Puspa; Natakusumah, Dantje Kardana
Journal of Applied Civil Engineering and Infrastructure Technology Vol 7 No 2 (2026): Desember 2026 (Articles in Press)
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v7i2.1111

Abstract

This study aims to determine the design flood discharge as the basis for planning the construction of a sabo dam on the Saluki River. The sabo dam is intended to protect the existing weir structure and ensure the sustainability of raw water supply in the Pasigala region (Palu, Sigi, Donggala). The 7.4-magnitude earthquake that struck on September 28, 2018, had a severe impact on infrastructure in Central Sulawesi, including water resources facilities along the Saluki River. As part of post-disaster rehabilitation and reconstruction efforts, a weir and intake structure were built to meet raw water needs. However, the Saluki River—classified as a third-order river within the Palu watershed—carries sediment and debris during flood events, posing a threat to infrastructure. Debris flow is a hazardous phenomenon involving a high-speed mixture of water, mud, gravel, and rocks that can damage downstream structures. Therefore, constructing a sabo dam upstream of the weir is essential. This preliminary study employed hydrological analysis using the Synthetic Unit Hydrograph method of the Soil Conservation Service (SCS-UH) to estimate the design flood discharge, considering the limited rainfall data in the area. The analysis resulted in flood discharges for various return periods: Q2 = 116.14 m³/s; Q5 = 158.15 m³/s; Q10 = 185.97 m³/s; Q25 = 221.12 m³/s; Q50 = 247.19 m³/s; and Q100 = 273.08 m³/s. These values serve as a reference for designing the sabo dam, analyzing sediment transport and storage capacity, and developing flood mitigation strategies for the Saluki River sub-watershed.
Co-Authors Dantje Kardana Natakusumah Prastica, Rian Mantasa Salve