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Ruslan Ramang
Dosen pada Jurusan Teknik Sipil, FST Undana
Automotive Engineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Materials Science & Nanotechnology Social Sciences Transportation

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EFISIENSI PENGALIRAN JARINGAN IRIGASI MALAKA (STUDI KASUS DAERAH IRIGASI MALAKA KIRI) Bunganaen, Wilhelmus; Ramang, Ruslan; Raya, Lucya L.M.
Jurnal Teknik Sipil Vol 6, No 1 (2017)
Publisher : Jurnal Teknik Sipil

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Abstract

Irrigation efficiency is defined as ratio between the total of water supplied is reduced water losses with the total supplied. Irrigation water losses that occurs during water supplying mainly caused by seepage in wet canal section, evaporation (generally insignificant) and operational losses dependent on irrigation water management system. The purposes of this research is to analyze the magnitude of the efficiency of Irrigation network in Malaka. This research is done on the primary, secondary and tertiary canal. The efficiency of Malaka irrigation network is analyzed by the method of water discharge in ? water discharge out. The data used in this analysis is the primary data such as flow rate data by current meter for primary and secondary canal and flow rate data by a float for tertiary canal. In addition to the primary data also used secondary data from the nearest Climatological Stasiun. The results of analysis, water losses caused by evaporation is very insignificant, so water losses is caused by physical canal factors with smallest water loss occurred at BBKi.1outflow-BBKi.2inflow canal is 3,541% and most of loss that occured at BNM.6outflow-BNM.7inflow canal is 0.066 m3/sec. The average efficiency of the whole network of irrigation at Malaka Kiri 84.371% with primary canal efficiency is 90.343%, and secondary canal efficiency is 82.878%.
KEAKURATAN DEBIT MAKSIMUM METODE NAKAYASU PADA SUNGAI TEMEF Seran, Yulita M. H.; Nasjono, Judi K.; Ramang, Ruslan
Jurnal Teknik Sipil Vol 9, No 1 (2020)
Publisher : Jurnal Teknik Sipil

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Abstract

Provinsi Nusa Tenggara Timur (NTT) merupakan salah satu daerah yang mengalami kekurangan air permukaan pada musim kemarau, oleh sebab itu daerah ini membutuhkan bangunan air. Karena kekurangan data pengukuran debit sungai yang dibutuhkan dalam manajemen air maka penelitian ini bertujuan untuk mencari debit maksimum Sungai Temef dengan menggunakan Hidrograf Satuan Sintetik (HSS) Nakayasu kemudian dibandingkan dengan debit terukur Sungai Temef yang diperoleh dengan menggunakan persamaan kurva lengkung debit. Hasil analisis dengan menggunakan persamaan kurva lengkung debit diperoleh debit maksimum terjadi pada tanggal 3 Januari 2013 sebesar 36,14 m3/dtk. Pada waktu yang sama analisis debit dengan hidrograf satuan sintetik Nakayasu diperoleh sebesar 89,35 m3/dtk. Kemudian analisis dengan menggunakan hidrograf satuan sintetik Nakayasu diperoleh debit maksimum terjadi pada tanggal 9 Maret 2009 sebesar 330,67 m3/dtk, pada waktu yang sama debit terukur diperoleh sebesar 13,80 m3/dtk. Sehingga diperoleh nilai eror untuk HSS Nakayasu sebesar -227,54.East Nusa Tenggara (NTT) is one of the areas that experienced surface water shortages during the dry season, therefore this area needs water construction. Because of the lack of river discharge measurement data needed in water management, this study aims to find the maximum flow of the Temef River using the Nakayasu Synthetic Hydrograph (HSS) and then compared with the measured flow of the Temef River obtained using the curve curve curve equation. The results of the analysis using the equation of the curve of the curve of discharge obtained maximum discharge occurred on January 3, 2013 amounting to 36,14 m3 / sec. At the same time the discharge analysis with the Nakayasu synthetic unit hydrograph was obtained at 89,35 m3 / sec. Then the analysis using the Nakayasu synthetic unit hydrograph obtained the maximum discharge occurred on March 9, 2009 amounting to 330,67 m3 / sec, at the same time the measured discharge was obtained at 13,80 m3 / sec. The error value for Nakayasu HSS was -227,54.
Co-Authors Andi Hidayat Rizal Andi Kumalawati Andrew U. R. Samapaty, Andrew U. R. Atok, Dominikus K. I. Atok, Dominikus K. I. Dantje A. T. Sina Denik S. Krisnayanti Denik Sri Krisnayanti Djahamouw, Putri D. K. Djahamouw, Putri D. K. Djema, Venantius K. Elia Hunggurami Fransisca N. Sagi, Fransisca N. Gultom, Gary Benjamin Hangge, Elsy E. Harmaji, Andrie IGB Arjana, IGB Jauhari Effendi Jean T. R. N. Blegur, Jean T. R. N. John Hendrik Frans Judi K. Nasjono Karels, Dolly W. Margareth E. Bolla Marthen Robinson Pellokila Martinus Tulit Beni, Martinus Tulit Mema, Klotilda Mema, Klotilda G Muhamad Irpan Partogi H. Simatupang, Partogi H. Puhu Gelong, Blasius Keli Eha Puriningsih, Feronika S Raya, Lucya L.M. Remigildus Cornelis Renohi, Monica Agustina Rosmiyati A Bella Santhy Chamdra, Santhy SATRIYAS ILYAS Seran, Yulita M. H. Sinaga, Ari Esclesias Tatus, Mariani Touselak, Iin A. L. Tri M. W. Sir Wilhelmus Bunganaen Yermias Elvis Lay Yufiter Silas Kandi Yuliana Djenmakani Yuniaty, Fortunata Rosalina