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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa AGREGAT Jurnal Aplikasi Teknik Sipil Prosiding Seminar Nasional Sains dan Teknologi Terapan Jurnal Pensil : Pendidikan Teknik Sipil Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Journal of Civil Engineering, Planning, and Design (JCEPD)
Nurhayati, Dyan Eka
Institut Teknologi Adhi Tama Surabaya
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Materials Science & Nanotechnology Transportation Other

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UJI EKSPERIMENTAL PEREDAM DI HILIR SLUICE GATE UNTUK PENGENDALIAN LONCATAN HIDRAULIK Dyan Eka Nurhayati; Syamsuri
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 11 No. 2 (2022)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.11.2.5312.193-198

Abstract

A hydraulic jump can be formed by the discharge flowing through the sluice gate. This phenomenon occurred due the flow transformation from subcritic to supercritic. The hydraulic jump can cause an erosion in channel base. In this experimental study the stilling basin is planned in sluice gate downstream. The triangular, trapezoid, and sinusoidal stilling basin have been installed to control the flow and the hydraulic jump. The objective of this study is to evaluate the hydraulic jump in the sluice gate downstream, specifically the height and the jump length. This experimental study result can be used as consideration in designing a sluice gate. In this experimental study, comparisons were made on several models such as triangular stilling basin (model 1), trapezoidal stilling basin (model 2), and sinusoidal stilling basin (model 3), with the original design (Model 0). The modelling results were then evaluated by comparing to indicators such as sluice gate opening height (Y1), hydraulic jump height (Y2), and hydraulic jump length (Lj). The experimental study result exhibited that stilling basin in sluice gate downstream can reduce Y2 and Lj. The more roughness the stilling basin, the more effective to control the hydraulic jump. Y2 and Lj decreasing value from first to third experiment, that result also affects the length of transition part for the supercritic to subcritic flow. In this experimental study, the largest Y2 reduction efficiency was obtained on the Model 3, which the originally Y2 value was 0.11 m to 0.075 m. The result from this 31.82% efficiency is obtained 0.16 m of hydraulic jump length (Lj) and stilling basin length requirement (Ld) in 0.38 m.
Efektivitas Rehabilitasi Avour Buntung dalam Pengendalian Limpasan Air Hujan dan Pasang Laut Dyan Eka Nurhayati; Jenny Caroline
AGREGAT Vol 11 No 1 (2026)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v11i1.31282

Abstract

Developing river geometry is one method that can be implemented to reduce flooding caused on by sea tides and surface run-off. The objectives of this study is to determine the riverbed slope factor and wet area in order to identify the optimum river geometry during flood discharge. When Q25 occurs at 167,35 m3/sec and sea tide elevation is +2,9 m, the current state of the Avour Buntung is unable to accomodate it considering the avour capacity is only 156,302 m3/sec. The initial 0,097% avour bed slope was divided into four sections with slopes of 0,023%, 0,46%, 0,018%, and 0,016%. The average width of the section with the lowest embankment will be 25,28 meters. The Avour Buntung can accommodate the discharge when the maximum condition of Q25 and sea tide occurs because the avour storage capacity develops to 185,228 m3/sec and the avour has an average barrier height of 0.89 m.
Co-Authors Adi A. Pratama Ardani, Annisa A Arintha Indah Dwi Syafiarti Arintha Indah Dwi Syafiarti Biantoro Pambudi Dewi Kusumaningrum Dewi, Kusumaningrum Diah Listyaningsih Felicia T. Nuciferani Harianto, Feri Jenny Caroline Jenny Caroline Jenny Caroline Kusumaningrum, Dewi Laras Laila Lestari Mohamad F.N. Aulady Mohamad Ferdaus Noor Aulady Novi Andriany Teguh Syafiarti, Syafiarti Indah Dwi Syamsuri Syamsuri Syamsuri