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Muafi, Alaik Yahya
Program Studi Teknik Sipil Universitas Musi Rawas
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Transportation

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PENGARUH FLUKTUASI MUKA AIR TERHADAP DEBIT ALIRAN PADA SUNGAI KETUPAK PADA SAAT MUSIM PENGHUJAN Yendri, Okma; Oemiati, Nurnilam; Muafi, Alaik Yahya
CANTILEVER Vol 8, No 1 (2019): Cantilever
Publisher : Jurusan Teknik Sipil dan Perencanaan Fakultas Teknik Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (924.149 KB) | DOI: 10.35139/cantilever.v8i1.75

Abstract

The fluctuations in Ketupak river water affect the amount of inundation that occurs in G Dwijaya Village, Tugumulyo Subdistrict, Musi Rawas Regency.  The research aims to obtain a cross section of river channels to drain runoff water, so that runoff water due to maximum rainfall does not cause inundation.  the Ketupak river channel is unable to float the flow discharge that occurs during the rainy season, besides that there is also a lot of sediment, garbage, trunks and branches that interfere with ketupak river flow, so a re-dimension of the river channel needs to be done.  Based on the calculation of the Ketupak River discharge in the rainy season using the Chow formula method, flowrate (Q) is obtained at 5.22 m³ / sec.  From the results of calculations According to the 5-year rainfall data from 2012-2016, Q = 0.719 m³ / s, so when the rainy season the flow in the river becomes 5.94 m³ / sec (Q ≤ Q max), to meet Q max = equal to 5.94 m³ / sec, it is necessary to add a river cross-sectional area of 12.33 m² to 15.63 m² so that Q is obtained at 5.94 m³ / sec (Q ≥ Q max).
Co-Authors Oemiati, Nurnilam Yendri, Okma