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All Journal TEKNIK MEDIA KOMUNIKASI TEKNIK SIPIL JURNAL KARYA TEKNIK SIPIL TREUBIA JURNAL BIOLOGI INDONESIA ZOO INDONESIA Syntax Literate: Jurnal Ilmiah Indonesia Jurnal SOLMA BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan Jurnal Rekayasa Sipil Jurnal Entomologi Indonesia JURNAL SAINTIS Journal of Economics and Business UBS Public Policy and Management Inquiry Economic and Finance in Indonesia Journal of Coffee and Sustainability Cermin Dunia Kedokteran
Hari Nugroho
Departemen Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences Transportation Other

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Journal : TEKNIK

 1 
Metode Pemasangan Instrumen Keamanan Bendungan Lausimeme Aliputa, Henu Satya; Sukamta, Sukamta; Nugroho, Hari
TEKNIK Vol. 45, No. 1 (2024): May 2024
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v45i1.59938

Abstract

Penelitian ini bertujuan untuk membuat metode pemasangan instrumen keamanan Bendungan Lausimeme sesuai gambar kerja (shopdrawing) dan keadaan di lapangan. Hasil penelitian menunjukkan terdapat 16 Piezometer Vibrating Wire (PVW), 4 Inklinometer, 4 Multilayer Settlement, dan 8 Open Standpipe Piezometer dipasang dengan pengeboran. Total kedalaman pengeboran untuk pemasangan instrumen adalah 438,92 m. Sebanyak 42 PVW, 9 Crest Settlement Survey Point, dan 21 Surface Settlement Survey Point dipasang bersamaan tubuh bendungan. Sebanyak 1 Seepage Measuring Device, 1 Seismograf dan 1 Observation Well dipasang diluar tubuh bendungan. Tahapan umum pemasangan dengan pengeboran dimulai dengan persiapan instrumen, marking titik pengeboran, pengeboran, pemasangan instrumen, pembacaan instrumen, pengisian lubang bor, dan penempatan pipa/kabel. Pemasangan instrumen bersamaan dengan tubuh bendungan dimulai dengan persiapan instrumen, marking titik, pemasangan instrumen, dan pembacaan instrumen. Instrumen observation well yang dipasang diluar tubuh bendungan memiliki tahap yang sama seperti pisometer pipa terbuka. Seepage measuring device dan seismograf memiliki tahap pekerjaan yang bervariasi. Sumber daya utama yang diperlukan untuk pengeboran adalah tim pengeboran, material pengisi lubang bor, dan 1 set alat bor kering. Sumber daya utama untuk pemasangan bersamaan dengan tubuh bendungan adalah waterpass dan handtamper. Kontraktor harus menyiapkan sumberdaya yang dibutuhkan 1 bulan sebelum pekerjaan dimulai.
Comparison of Rainfall -Runoff Models with F.J. Mock and NRECA to Determine Water Availability of Rukoh Reservoir, Aceh Hidayat, Maulana; Nugroho, Hari
TEKNIK Vol 46, No 1 (2025) January 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i1.67951

Abstract

Rukoh Reservoir is located in the upper part of Krueng (Kr.) Rukoh River Watershed, Pidie Regency, Aceh Province with a catchment area of 19.63 Km2. This reservoir has a storage capacity of 124.42 million m3 and is used for irrigation, drinking water and hydropower. The condition of Kr. Rukoh there is no discharge recording device, so to obtain discharge data it is necessary to convert rainfall data into discharge in the form of Rainfall-Runoff Model.  The purpose of this research is to calculate the amount of flow discharge and the suitability of the two rainfall-runoff models using the F.J. Mock method and NRECA method with observed discharge. Furthermore, determining the amount of reliable discharge as inflow availability of Rukoh reservoir. This research begins with the collection of rainfall data, evapotranspiration and condition parameters of the Rukoh Reservoir catchment area. The parameters in both models are optimized to obtain the optimal model discharge that is close to the observed  discharge data (Qobs). The results of the model suitability test showed that the NRECA model discharge is better compared to the F.J. Mock discharge model, the NSE test value = 0.64 and the correlation test value R = 0.83. Based on the selected discharge model, the calculation obtained the average flow discharge as Rukoh reservoir inflow of 1.13 m3 / sec and 80% water availability of Rukoh Reservoir by 0.58 m3/sec and 90% water availability obtained at 0.43 m3/sec.
Simulation Analysis of Base Year Operation Pattern Method of Marangkayu Reservoir East Kalimantan Province Sihite, Gonzales; Nugroho, Hari
TEKNIK Vol 46, No 1 (2025) January 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i1.67652

Abstract

Marangkayu is a multi-purpose dam that serves irrigation water needs for a functional area of 1,500 hectares and provides raw water supplementation of approximately 450 liter per second. One of the requirements for impounding certification involves the preparation of an operational guideline for the dam. Therefore, this study aims to analyze the reservoir operation pattern by simulating water availability and demand. The reservoir operation pattern is determined through simulations based on calculations of water inflow, water demand, and losses, constrained by the reservoir's storage capacity. The simulation calculations employ the baseline year method, which includes dry years, normal years, and wet years. Reservoir water availability simulations are conducted under three conditions: dry year (probability of being equaled or exceeded 65%), normal year (probability of being equaled or exceeded 50%), and wet year (probability of being equaled or exceeded 35%). The results of this study indicate that the simulation of Marangkayu reservoir's operation pattern for dry, normal, and wet conditions can sufficiently meet the water needs for a functional irrigation area of 1,500 hectares with a cropping pattern of rice–rice–secondary crops, raw water demand of 450 liter per second, and river maintenance flow of 0.848 m³/second.
Optimization of Dredging Location Determination in Sutami Reservoir Using the Cut and Fill Method Pambudi, Tri; Nugroho, Hari; Suripin, Suripin
TEKNIK Vol 46, No 2 (2025) April 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i2.67919

Abstract

The Sutami Dam is located on the Brantas River, precisely in Karangkates Village, Sumberpucung District, Malang Regency. The Sutami Dam has been in operation for fifty-one years. Based on observations in the field, the rate of sedimentation entering the Sutami Reservoir is quite high, resulting in shallowing in the reservoir storage area up to the intake gate, which can affect the performance and productive life of the reservoir. This research is conducted to evaluate the planning of mapping dredging locations, the potential sediment that can be dredged, and the increase in the volume capacity of the dredging equipment. This research uses data from bathymetry, which is then analyzed for sedimentation and scour values compared between 2019 and 2022. For soil parameter data, laboratory test results such as grain size analysis and hydrometer analysis are utilized. Data analysis using the cut-fill method in ArcMap 10.8.2 software. The results of this research show that in carrying out dredging activities in the reservoir area, it is necessary to divide the dredging location into two zones with two types of dredgers that have different specifications. To increase the dredging volume capacity in the Sutami Reservoir using the scenario of using two existing dredgers and the addition of two new dredgers, an increase in the dredging capacity in the Sutami Reservoir of 1,702,189.00 m³ per year was obtained.
Co-Authors Alexander, Christo Zwingly Aliputa, Henu Satya Almuzakki, Muhammad Zaki Anak Agung Gede Sugianthara Arrizki, Tria Aryowibowo, Utomo Cahyono, Mardani Dimaz Pradana Putra Ephraim, David Erniwati Erniwati Feriansyah, Feriansyah Hendra Setiawan Herawati, Henny Hidayat, Maulana I WAYAN SUANA Intan Ahmad Intan Ahmad Intan Oktafiani Irsan, Istan Irmansyah James M Carpenter, James M Jane, Erfanus Jun-ichi Kojima, Jun-ichi Kusumardi wibowo, Nur Rendra Larre, Aura Asyda Mahardhika, Bogie Prastowo Mohammad Rondhi Muhammad Taufiq Abror, Muhammad Taufiq Narakusumo, Raden Pramesa Nisa, Cintya Khairun Priyo Nugroho Pungki Lupiyanindyah, Pungki Pusparina, Diah Ramadhila, Yelsha Rizka Setiawan, Rizka Rohendi, Adi Putra Rohman, Fauji S. Suripin Samsul Bahri, Ronny Septiavin, Qori’atul Sih Kahono Sihite, Gonzales Soetriono Soetriono Sri Sangkawati Sachro Suhada, Bahri Suharyanto Suharyanto Sukamta Sukamta SUPRAPTO Suseno Darsono Tarigan, Chaleb Ananta Phillipe Tri Pambudi, Tri Wibowo, Agus Aris Yasuhiro Mori, Yasuhiro Zakiah, Zian