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All Journal Jurnal Mahasiswa Jurusan Teknik Pengairan Jurnal Teknik Pengairan: Journal of Water Resources Engineering Civil and Environmental Science Journal (CIVENSE) DIKEMAS (Jurnal Pengabdian Kepada Masyarakat)
Dian Sisinggih
Jurusan Teknik Pengairan Fakultas Teknik Universitas Brawijaya
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Social Sciences

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Journal : Jurnal Teknik Pengairan: Journal of Water Resources Engineering

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Tinjauan Ekohidraulik Pada Uji Model Fisik Bangunan Pelimpah Waduk Pidekso Kabupaten Wonogiri Suprijanto, Heri; Masrevaniah, Aniek; Prasetijo, Hari; Sisinggih, Dian; Primantyo, Andre
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Within this physical hydraulic model of spillway of the Pidekso Dam, the experiment consisted of 9-series of testing; 4-series were testing of narrowing the angle of transition channel by 24 degree while 5others were by 12 degree. For the testing of series No.0 (original design) to No.8, the flow capacity was adequate for various discharges over spillway and outlet structure. Overall, the best hydraulic performance of the model was achieved by series No.4 in term of flow condition (uniformly distributed). This was a model of transition channel with angle of transition of 12 degree and no baffle apron used.Basically, all of testing of the model series No.0 to No.8 brought the positive impact to the downstream-part (section No.36) by considering the dissolved oxygen (DO) level. It was ranging from 11.1 mg/l to 14.2 mg/ l. According to the results of DO level, then only the series No.0 to No.3 were chosen as alternatives design for the case of transition channel with the angle of 24 degree combined with various dimensions of baffle apron. There were regular changes of DO level but the values were still lying above the minimum requirement level and were not harmful for fishery.By respecting to the eco-hydraulic concept, the downstream waterway was designed to be the stone pitching combined with vegetation. It was suggested that the bare floodplain at downstream-part need to be greening by mean of vegetation.Keyword: dam, spillway, baffle apron, dissolved oxygen
ANALISA PENGARUH PENEMPATAN KRIB TERHADAP DISTRIBUSI SEDIMEN DI PERTEMUAN SUNGAI GARANG DAN KREO Iskandar, Iskandar; Juwono, Pitojo Tri; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 6, No 2 (2015)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak: Sedimentasi dan erosi yang disebabkan oleh perbedaan debit merupakan masalah yang sering terjadi di pertemuan Sungai Garang dan Kreo. Penempatan bangunan krib eksisting belum berfungsi optimal sebagai pengatur arah arus sungai. Tujuan penelitian ini untuk mengetahui kecepatan maksimum, tegangan geser dasar sungai dan distribusi sedimen terhadap pengaruh penempatan krib. Simulasi menggunakan modul RMA2 untuk mengetahui hidrodinamika aliran dengan debit banjir rancangan kala ulang 50 tahun dan simulasi modul SED2D untuk mengetahui distribusi sedimen. Kedua simulasi tersebut digunakan pada 3 (tiga) skenario. Agar mendapatkan tingkat keakuratan model terhadap kondisi lapangan maka dilakukan uji MRE (Mean Relative Error) sebesar 0,91% sebagai indikasi parameter proses kalibrasi model numerik 2 dimensi. Penempatan krib yang lebih efektif adalah skenario yang ketiga dengan distribusi kecepatan maksimum 1,75 m/dtk, tegangan geser ( Ʈ ) maksimum 8,65 N/m2 dan sedimentasi terjadi didaerah sekitar krib, erosi pada arah tanggul kanan penampang sungai yang sering terjadi sedimentasi.Kata kunci : Pertemuan sungai, krib, sedimentasi, erosi. Abstract: Sedimentation and erosion caused by differences discharge is a problem that often occurs at the confluence of the Garang and Kreo rivers. The placement of existing groynes has not optimally functioned to regulate the river flow direction. The goal of this analysis is to find out the maximum velocity, bed shear, and sediment distribution towards the effect of groyne placement. The Simulation using the RMA2 module to find out the flow hydrodynamics with the discharge from constructed 50-year floods and the simulation using SED2D module to find out the sediment distribution. It simulations is used for three scenarios. To maintain accuracy of the model towards field conditions, a Mean Relative Error (MRE) test of 0.91% was conducted as the parameter indication of the 2-dimensional numerical model calibration process. The most effective groyne placement is third scenario with a maximum velocity distribution of 1.75 m/s, maximum riverbed bed shear (Ʈ) of 8.65 N/m2 and sedimentation only occurring in the areas around the groynes, while erosion occurred on the dikes of the right-hand side of the river where sedimentation often occurs.Keywords : River confluence, groynes, sedimentation, erosion
Uji Model Fisik Kapasitas Aliran Pada Lubang Pengisian Tampungan Di Bawah Saluran Drainasi (Underdrain Box Storage) Kuncoro, Yudo Tri; Sisinggih, Dian; Priyantoro, Dwi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

This paper discusses the results of a physical modelling of drainage channel where the holes at the bottom were arranged along the channel to fill the storage underneath. This research could be the initial step to get a formulation of flow capacity through drainage channel’s orifice, and expected to push further research. The results show that it is necessary take corrections to the formulation of flow through an orifice of tank in order to estimate flow through an orifice with horizontal flow. Formulation of flow capacity through orifice with horizontal flow above can be approximated by the relationship curves between Fr (Froude) and Q 2 / (h 1 5 .g) 1/2 as well as between Fr and a/h1 2Keywords: physical modelling, flow capacity, underdrain box storage
Studi Penentuan Control Water Level Maksimum Waduk Sutami dan Lahor untuk Menghindari Kemungkinan Terjadi Overtopping Akibat Banjir PMF M., Arief Satria; Masrevaniah, Aniek; Sisinggih, Dian
Jurnal Teknik Pengairan Vol 2, No 2 (2011)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Maksud dari studi ini adalah untuk mengetahui nilai CWL (Control Water Level) maksimum yang diijinkan setiap bulan di Waduk Sutami dan Lahor berdasarkan analisa penelusuran banjir debit PMF (probable maximum flood). Tujuan dari studi ini adalah untuk mengantisipasi kemungkinan terjadinya overtopping akibat debit banjir PMF (QPMF). Studi ini perlu dilakukan mengingat Bendungan Sutami dan Lahor pada saat perencanaan masih didesain dengan debit banjir pada kala ulang 1000 tahun (Q1000 th) sedangkan standar keamanan bendungan yang ditetapkan oleh Komisi Keamanan Bendungan saat ini adalah debit banjir PMF.Metode yang digunakan dalam penelitian ini adalah analisa hidrologi debit banjir rancangan Q1000 dan QPMF serta penelusuran banjir di kedua waduk tersebut yang dilakukan secara simultan, karena kedua waduk ini terhubung oleh terowongan penghubung Waduk Lahor dan Sutami. Dari hasil analisa hidrologi QPMF tahunan yang berpotensi terjadi pada Bendungan Sutami nilainya adalah 11.629,14 m3/dt, dimana nilai QPMF ini setara dengan 2,31x Q1000 th. Sedangkan QPMF tahunan yang berpotensi terjadi di Bendungan Lahor nilainya adalah 2.731,00 m3/dt, dimana nilai PMF ini setara dengan 2,70 x Q1000 th.Berdasarkan hasil analisa penelusuran banjir QPMF bulanan diperoleh hasil bahwa nilai CWL maksimum bergerak pada rentang nilai elevasi muka air waduk minimum + 257,00 m dan maksimum + 267,00 m. Dimana nilai ini memberikan hasil bahwa pada Bendungan Sutami masih berpotensi terjadi overtopping sebanyak 3 kali kejadian dalam satu tahun dengan tinggi air 3,09 m di atas elevasi puncak bendungan. Oleh karena itu untukmengantisipasi kemungkinan terjadi overtopping, secara struktural perlu dilakukan studi alternatif pembuatan pelimpah darurat pada Bendungan Sutami. Sedangkan pada Bendungan Lahor dengan adanya tinggi parapet setinggi 1 m sudah tidak berpotensi terjadi overtopping.Kata kunci: Control Water Level, Penelusuran Banjir, Probable Maximum Flood, Waduk,Overtopping
KAJIAN PENANGANAN SEDIMENTASI DANAU TONDANO Sorey, Teddy Dolfie; Bisri, Mohammad; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 2 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak : Pengelolaan DAS yang tidak tepat dapat mengakibatkan masalah erosi dan sedimentasi seperti yang terjadi di Danau Tondano, Provinsi Sulawesi Utara yang mengalami pendangkalan, sehingga mengancam masyarakat sebagai pemanfaat danau dan kelestarian danau itu sendiri. Penyebab utama pendangkalan adalah masuknya sedimen terutama berasal dari Sub DAS Panasen dan Ranoweleng akibat perubahan tataguna lahan. Hasil penelitian tahun 2010 menunjukkan 74% luas DAS Danau Tondano masuk klasifikasi ringan sampai sedang, sedangkan 26% kritis. Hal ini mengindikasikan bahwa karakteristik lahan tersebut sebagian besar cukup kebal terhadap potensi erosi. Hasil penelitian saat ini didapat laju erosi 17,88 ton/hektar/tahun, debit inflow 3,55 m3/det, inflow sedimen 72.409 m3/tahun. Penanganan dilakukan secara vegetatif  dengan menetapkan jenis tanaman dan manajemen kawasan penyangga serta secara mekanik dengan membangun cekdam baru. Kata Kunci : Sub DAS, Erosi, Sedimentasi, Pendangkalan Danau, Konsep Penanganan Abstract :Improper watershed management can lead to problems such as erosion and sedimentation that occurred in Lake of Tondano, North Sulawesi Province which is currently experiencing silting up, thus threatening the society as the lake users and the preservation of the lake itself. The main cause of silting is the influx of sediment which primarily derived from Panasen Sub-watershed and Ranoweleng as a result of changes in land use. The results of the study in 2010 showed that 74% of Tondano Lake watershed area is classified as small to medium, while the rest 26 % categorized as critical. This indicates that the characteristics of the land is mostly quite resistant to the erosion potential. The results of the current study obtained erosion rate 17,88tonnes / ha / year, the discharge inflow 3,55 m3/s and the sediment inflow 72.409 m3/year. The handling is conducted vegetatively by determining the type of plant and management of buffer zones as well as mechanically by building new checkdam. Keywords : Sub Watershed, Erosion, Sedimentation, Silting Up of lake, Handling Concept
Analisa Penataan Outlet Channel Sungai Karang Anyar Di Kota Tarakan Irianto, Danang Bimo; Sisinggih, Dian; Priyantoro, Dwi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 2 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Karang Anyar outlet channel has the outlets that directly flow in to the sea and it’s influenced by the tides. Flooding often occurs when rain along with high tides. The outlet channel has a very gentle slope,initial data mentioned that outlet channel length is approximately 1625 m, elevation in the upstream = +4.40 m and +0.10 m in the downstream, with an average slope = 0.003. Elevation embankment upstream = +6.00 m and downstream = +1.50 m. Meanwhile, according to secondary data, the flood with 10 th years return periode that flow in the outlet channel is 66.4 m 3 /sec and the flood with 25 th years return periode is 75.16 m 3/sec. On average, a tide water level is +1.5 m above sea level. Based on the variety of modeling, the action concepts that can eliminate the flooding are these following action: widening the channel dimension, build the embankment on channel side, making the local storage for each sub-catchment in the downstream, making the gate for the local storage, making tidal gate to prevent the tide come into the system, making the retarding basin to accommodate flood waters from upstream when the outlet is closed due to high tide.Keyword: Outlet channel, Regional arrangement, Outlet, Karang Anyar, Tarakan
STUDI PENANGANAN BANJIR SUNGAI BILA KABUPATEN SIDRAP Qadri S, Wahyuddin; Sholichin, Moh.; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 2 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

ABSTRAK: Pengembangan kawasan di DAS Bila untuk pemenuhan berbagai kebutuhan sarana dan prasarana yang semakin meningkat setiap tahun menyebabkan menurunnya kualitas DAS sehingga terjadinya banjir di sekitar Sungai Bila. Metode yang digunakan dalam studi adalah aplikasi AVSWAT 2000 dan HEC-RAS 4.1.0. Berdasarkan hasil simulasi pemodelan AVSWAT 2000 menunjukan terjadi peningkatan debit banjir maksimum tahunan dari debit 1156 m3/detik menjadi 1161 m3/detik. Debit Banjir rencana yang digunakan adalah debit kala ulang 50 tahun dengan menggunakan metode distribusi Log Pearson tipe III. Sistem pengendalian banjir yang diusulkan berdasarkan hasil analisis aplikasi HEC-RAS 4.1.0 adalah normalisasi Sungai Bila dengan lebar rencana dasar sungai 75 m dan 100 m, dan pembuatan tanggul dengan lebar puncak 4,00 m dan tinggi 1,00 m - 3,00 m. Kata Kunci: Pengendalian Banjir, Normalisasi, Tanggul, AVSWAT 2000, HEC-RAS 4.1.0 ABSTRACT: Developing of the area in the Bila watershed for the fulfillment of various facilities and infrastructure needs increase every year causing declining quality of the watershed leads flooding around the Bila River. The method used in the study was AVSWAT 2000 and HEC-RAS 4.1.0. Based on the results of simulation modeling AVSWAT 2000 showed an increase in the annual maximum flood discharge from 1156 m3/s to 1161 m3/s. The flood discharge was 50-year return period using the Log Pearson Type III distribution. The proposed flood control system based on the results of the HEC-RAS 4.1.0 analysis is Bila River normalization, the width of riverbed plan 75 m and 100 m, and the embankment with a crest width of 4,00 m and a height of 1,00 m - 3,00 m. Keywords: Flood control, Normalization, Embankment, AVSWAT 2000, HEC-RAS 4.1.0.
Pola Pengendalian Banjir Kawasan Bambu Kuning Kota Jayapura Koyari, Elroy; Priyantoro, Dwi; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 3, No 2 (2012)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Masalah yang paling sering muncul di daerah perkotaan akibat pesatnya pertumbuhan ekonomi dan pembangunan adalah masalah banjir.Tujuan penelitian ini adalah untuk menyiapkan pola dan rancangan penanggulangan banjir pada kawasan Bambu Kuning Kota Jayapura. Faktor penyebab banjir di lokasi studi, diantaranya adalah sistem drainase eksisting tidak mampu menampung debit limpasan permukaan, hal ini karena dimensi saluran drainase terlalu kecil yaitu lebar 0,3 m dan tinggi saluran 0,3 m dengan kapasitas tampungan sebesar 355m3, sedangkan volume banjir limpasan permukaan adalah 5.700 m3, selain itu tidak adanya outlet drainase dari kolam tampungan sehingga genangan meluap ke jalan raga serta adanya permukiman penduduk yang dibangun diatas kolam tampungan dengan cara menimbun kolam tampungan dengan tanah mengakibatkan kapasitas kolam tampungan berkurang dari volume 5.169 m3 menjadi 3.500 m3 Untuk itu diperlukan alternatif upaya penangan banjir di kawasan Bambu Kuning secara komprehensif meliputi normalisasi saluran dengan cara memperlebar dan memperdalam saluran eksisting, membuat saluran baru, membuat long storage channel kombinasi parafet dan gorong-gorong, dan melakukan pengerukan kolam tampungan.Kata kunci: Debit limpasan permukaan, penanggulangan banjir, normalisasi saluran, long storage channel.
ANALISIS PENGENDALIAN SEDIMENTASI MUARA SUNGAI BANJIR KANAL BARAT KOTA SEMARANG Wahyudi, Puguh; Bisri, Muhammad; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 6, No 2 (2015)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak: Muara Sungai Banjir Kanal Barat mempunyai morfologi melebar ke daerah hilirnya sehingga kecepatan aliran sungai kecil yang berpotensi menimbulkan sedimentasi di muara. Selain itu adanya pasang surut dari air laut yang mengakibatkan sedimen di muara tidak bisa terbawa arus sungai ke laut bahkan kembali ke muara sungai oleh adanya backwater. Berdasarkan perhitungan transpor sedimen sejajar pantai dengan menggunakan metode fluks energi diperoleh sedimen sejajar pantai sebesar 591.017,140 m3/thn, sedangkan untuk angkutan sedimen dari sungai menggunakan persamaan Engelund&Hansen sebesar 127.952,470 m3/th. Volume budget sedimen diperoleh sebesar 718.969,610 m3/th. Berdasarkan perbandingan prisma pasang surut dan angkutan sedimen total (budget sedimen) P/Mnetto didapatkan nilaiS = 6,320 berdasarkan nilai tersebut maka muara sungai Banjir Kanal Barat memiliki mulut sungai yang tidak stabil karena nilai S < 20 (Triatmodjo, 2012).Sistem penangan yang baik untuk mengatasi masalah sedimentasi di muara sungai Banjir Kanal Barat adalah  pengelolaan  mulut sungai yang selalu terbuka dengan membuat jetty panjang di kedua sisi muara dengan panjang 1080,45 meter di  sebelah kiri  dan 646,06 meter di sebelah kanan muara sungai.Kata Kunci : Muara sungai, Gelombang, Angkutan sedimen, Pantai, Jetty Abstract: The Western Flood Canal estuary has a widening morphology towards downstream areas, so that the velocity of small streams can create sedimentation in the estuary. In addition, there are also seawater tides that results in sediment in the river estuary not being carried to the sea, instead returning to the estuary due to the presence of backwater. Based on calculations of coastline sediment transport using the energy flux method, the coastline sediment transport is 591.017,140 m3/yr., while river sediment trasport is determined by the Engelund and Hansen equation to be 127952.470 m3/yr. The sediment budget volume is         718.969,610 m3/yr. Based on the comparison between prism tides and total sediment transport (sediment budget) P/Mnetto, a value of S = 6,320 was obtained. Based on these values, the Western Flood Canal estuary has an unstable river mouth because S < 20 (Triatmodjo, 2012). A good handling system to overcome the problem of sedimentation in the Western Flood Canal estuary is the management of an always-open river mouth by the creation of a long jetty on both sides of the estuary with a length of 1080,45 meters on the left and 646,06 meters on the right.Keywords: estuary of river, wave, sediment transport, shore, Jetty
Analisa Kuantitas Dan Kualitas Airtanah Di Kecamatan Kubu Kabupaten Karangasem Provinsi Bali Wijayanti, Putu Ratih; Sholichin, Moh.; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Kubu Subdistrict is located at Karangasem District and belongs to Tejakula Groundwater Basin. It is droughty region with few rainfalls compared to other region. The purpose of this research is to determine the quantity and the quality of groundwater for agriculture. The analysis of groundwater quantity is by applying the pumping test. The pumping test is divided into two stages, which are well test and aquifer test. Result of well test at 7 (seven) production wells is obtaining the optimum discharge ranging from 10.107 liter/second to 18.604 liter/second. Aquifer test analysis involves the first stage is to determine the type of flow from each well that is steady or unsteady flows, and then determine the method that will be used based on the type of flow and type of aquifer. In determining the type of flow is obtained steady flow types for 3 (three) wells and unsteady flow types for 4 (four) wells. Groundwater quality analysis is conducted by Aquachem software version 2011.1 (demo version). Based on the analysis of groundwater quality, groundwater is containing low and medium Sodium and have high and very high salinity.Keywords: quantity, quality, groundwater, wells test, aquifer test, Sodium.
Co-Authors Abdillah, Rusdan Adiputra, Dhimas Satibi Andre Primantyo Aniek Masrevaniah Arief Satria M. Bayu Rahayudi Berlian, Ramadhan Sangsang Danang Bimo Irianto Donny Harisuseno Dwi Priyantoro Dwiprayogo, Bayu Elroy Koyari Fachrudin, Faruq Abdurrahman Hari Prasetijo Hariyoni Hariyoni Heri Suprijanto Ikrar Hanggara, Ikrar Iskandar Iskandar K., Anggraeni Dwi Lily Montarcih Limantara M. Bisri Mahyaya M. Rahman Moh. Sholichin Mohammad Bisri Muhammad Bisri Munfarid, Munfarid Pitojo Tri Juwono Puguh Wahyudi, Puguh Putu Ratih Wijayanti Qadri S, Wahyuddin Rahman, Kurdianto Idi Rifai, A Runi Asmaranto Sorey, Teddy Dolfie Sri Wahyuni Sugiarto S Sulianto Sulianto Sumiadi, Sumiadi Suwanto Marsudi Very Dermawan Wahyu Prasetyo Wayan Andi Frederich Gunawan Widodo, Ibnu Sam Yudo Tri Kuncoro