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All Journal Jurnal Teknik Pengairan: Journal of Water Resources Engineering
Sajali, Muhammad Amar
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Engineering

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Uji Model Fisik Bangunan Pelimpah Bendungan Saka Gilas Dengan Skala 1:50 Lufira, Rahmah Dara; Sajali, Muhammad Amar; Marsudi, Suwanto; Dermawan, Very
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 1 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (658.486 KB) | DOI: 10.21776/ub.pengairan.2019.010.01.7

Abstract

The physical hydraulic model carried out in the laboratory is intended to determine the hydraulic behavior of the flow in hydraulic structures. The aim of Hydraulic model test of Sakagilas Dam spillway is to determine the flow profile that occurs in spillway system, including flow depth, velocity, water flow pressure, and Froude numbers. Also to find out the hydraulic performance of side spillway design, transition channel, chute way channel, energy dissipator, and escape channel. Investigation of water flow pressure in the spillway system (side channel spillway, transition channel, and especially chute way channel) was measured and analyzed to determine the condition of structure safety against cavitation and vibration flow.The spillway of Saka Gilas Dam is a side channel spillway (Fixed+Gated) with an Ogee spillway. The shape of the side spillway is circular quarter circle (45⁰). Preliminary observations on the physical model test are carried out under the condition of Original Design, which if there is a poor flow hydraulic behavior, design modifications will be made. The design modification is intended to get the best flow hydraulic behavior, according to the standard design criteria for the side channel spillway system.
Analisa Safety Factor Sheet Pile Pada PLTMG Pontianak Peaker Dengan Aplikasi Sajali, Muhammad Amar; Lufira, Rahmah Dara; Marsudi, Suwanto; Hanan A, Aufa
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 10, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1406.536 KB) | DOI: 10.21776/ub.pengairan.2019.010.02.01

Abstract

In the past decade, the development of land retaining construction is growing rapidly as optimization of available land use. The purpose of this study is to hold the soil in order to avoid landslide due to the structural load other than the use of available space. The results of the sheet pile analysis at Pontianak Peaker PLTMG found that the SF number in the condition without earthquake (safe condition) is 2.00 and the number of SF in earthquake conditions is 1.40. Based on the results of sheet pile analysis at S-02 and S-03 points in conditions without earthquakes, low tide-without earthquakes, floods-without earthquakes, normal-earthquakes, receding earthquakes, and earthquake floods with earthquakes returning 500 years in analysis the structure and analysis of slope stability are said to be "safe" because the conditions without earthquakes SF values greater than 2.00 and earthquake conditions SF values greater than 1.40.
Co-Authors Hanan A, Aufa Rahmah Dara Lufira Suwanto Marsudi Very Dermawan