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JURNAL TEKNIK HIDRAULIK
Published by Puslitbang Sumber Daya Air
ISSN : 20873611     EISSN : 25808087     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering
The Hydraulic Engineering Journal covers a variety of scientific fields including Irrigation Engineering, Environmental quality and water management Engineering, Swamp Engineering, Beach Engineering, Water building Engineering, Harvesting Engineering, Water hydraulics and geotechnical Engineering, Hydrology and water management Engineering, Water environmental engineering, Beach Engineering, Harvesting Engineering, Sabo Engineering.
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Articles 186 Documents
 15   16   17   18   19 
Pemodelan Hidrodinamika Aliran dan Transportasi Sedimen pada Ruas Pertemuan Sungai Citarum Hilir dan Cibeet, Jawa Barat Yadi Suryadi; Ruth Helena Siregar; Dhemi Harlan; I Putu Samskerta
JURNAL TEKNIK HIDRAULIK Vol 15, No 1 (2024): Jurnal Teknik Hidraulik
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v15i1.727

Abstract

Flooding and changes in riverbed morphology often become issues near river confluences, as observed at the confluence of Citarum Hilir and Cibeet Rivers. This study aims to analyze the cross-sectional capacity and riverbed changes around the confluence of Citarum Hilir and Cibeet Rivers. This study utilizes 1D numerical modeling MIKE 11 with Hydrodynamic and Sediment Transport Modules. The hydrodynamic modeling inputs are river network and cross-sectional profiles. Hydrographs with return periods of 2, 5, 10, and 25 years are used as upstream boundaries, and a discharge curve is used as the downstream boundary of the model. The model is calibrated using water surface elevation measurements taken from September 13-16, 2021. The hydrodynamic modeling results indicate that Citarum Hilir and Cibeet Rivers cannot convey flood discharges with a 2-year return period. The sediment transport modeling results show no significant changes in the riverbed of Citarum Hilir before the confluence, but degradation of approximately 0.38 – 0.46 meters occurs after the confluence. Degradation happens in zones of maximum velocity where flow turbulence and shear stress increase, causing erosion of the Citarum Hilir riverbed. Degradation also occurs near the Cibeet River confluence due to flow acceleration at the outer bend of the river. Flooding and sediment transport are natural factors that can alter the morphology of river confluences, such as the confluence of Citarum Hilir and Cibeet Rivers.Keywords:  Citarum river, Cibeet river, river confluence, hydrodinamic modeling, sedimen transport modeling 
Kalibrasi Parameter Model Tangki Berbasis Metaheuristik untuk Transformasi Seri Data Hujan Menjadi Limpasan Periode Harian Sulianto Sulianto
JURNAL TEKNIK HIDRAULIK Vol 15, No 2 (2024): JURNAL TEKNIK HIDRAULIK
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v15i2.789

Abstract

The fundamental weakness of the Tank model are the large number of parameters and their continuous values, which make it ineffective for solving practical problems. This article proposes a metaheuristic-based automatic calibration method to enhance the Tank model’s performance and applicability in transforming rainfall data series into runoff in a watershed. The metaheuristic methods involved include the Differential Evolution (DE) algorithm, Particle Swam Optimization (PSO), synthesis of chaotic search-opposition based learning-differential evolution-quantum mechanism (CODEQ) algorithm and Shuffled Complex Evolution (SCE). The models resulting from the integration of the Tank model with these metaheuristic methods are called the Tank-DE, Tank-PSO, Tank-CODEQ and Tank-SCE models. The four models were tested in the Welang Watershed (473.39 Km2), located in Pasuruan Regency, East Java, using a 15-year hydroclimatology dataset from 2006 to 2020. The 2006-2010 dataset served as the training dataset forTank model parameter calibration, while the 2011-2020 dataset was used for model validation. Calibration results show that all models achieved an accuracy level equivalent to an average RMSE of 0.05 m3/s. However, during validation, there were slight differences in high flow response results. Compared to the training dataset, the model output responded effectively to both low and high flows but tended to produce slightly higher discharge at intermediate flows, with an average difference of 1.33 m3/s. When compared to the test dataset, the model outputs tended to overestimate high flow rates (average difference of 1.63 m3/s) and underestimated low flow rates, with minor deviations.Keywords:  tank model, metaheuristic, transformation, rainfall-streamflow, Welang Watershed.
Pengaruh Desain Pipa Hisap Terhadap Kinerja Penghisapan Sedimen Ke Hilir Waduk Erman Mawardi; Isdiyana Isdiyana; Yanto Wibawa
JURNAL TEKNIK HIDRAULIK Vol 1, No 1 (2010): Jurnal Teknik Hidraulik
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v1i1.310

Abstract

Tersedianya Potensi Suplai Dan Drainasi Persawahan Danda Besar Melalui Revitalisasi Prasarana Hidraulik Tingkat Tersier L Budi Triadi; Parlinggoman Simanungkalit; Maruddin Fernandus
JURNAL TEKNIK HIDRAULIK Vol 1, No 1 (2010): Jurnal Teknik Hidraulik
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v1i1.231

Abstract

The low agriculture productivity at Danda Besar tidal swamp area is related with the existing water management system which is still at macro and meso level, and not fulfilling the paddy field water supply (micro water management system). Planting is carried out only in the wet season because the insufficient water management system does not provide available water supply in dry season. Impact of this problem include among others that the canal system become shallow and covered by vegetation. Quaternary canals are also not available. The selected location of this study is the Tertiary T2 Kanan Canal  at Danda Jaya, a village in Kabupaten Barito Kuala, South Kalimantan province. These problems can be solved by water management revitalization and micro water management application equipped with a water regulator such as the Flap Gate. This study carrying out a 1 D hydraulic numeric simulation model in five scenarios by application of the DUFLOW computer program showed the improvement of  canal capacity until adequate water is supplied during neap and spring tide. Thus, farmers can carry out a planting pattern twice a year in order to increase the  crop  production index from 100% to 150 – 200%.Keywords:   Micro water management, flap gate, hydraulic numerical model
Transformasi Gelombang Reguler Akibat Pemecah Gelombang Tiang Pancang Dua Baris Selang-Seling Totok Suprijo; Gandhi Napitupulu; Juventus W.R. Ginting; Eduardo M. Simanjuntak; Faizal A.R. Abdullah; Faruq Khadami
JURNAL TEKNIK HIDRAULIK Vol 15, No 2 (2024): JURNAL TEKNIK HIDRAULIK
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v15i2.787

Abstract

Hydraulic experiments in a two-dimensional physical laboratory were conducted to evaluate the performance of pile breakwaters in reducing wave energy. The piles on the breakwater were arranged in a staggered pattern in two rows. A total of seventy-two simulation scenarios were run based on variations in the incoming wave height and period, and the spacing between the piles, using a 1:10 model scale. The data from the hydraulic tests were then processed using a spectral method that could separate the energy spectra of reflected and transmitted waves. These changes result in reflected and transmitted waves. The laboratory test data were used to estimate the values of the transmission coefficient and reflection coefficient. Both coefficients were then used to validate semi-empirical formulas for the two coefficients. The semi-empirical formulas for the two coefficients were developed based on a model for estimating the spatial porosity of pile breakwaters. The porosity estimation model takes into account the dimensions of the piles and the dimensional components of the breakwater, including the arrangement, number of rows, and spacing between the piles. The validation results of the semi-empirical formulas with the laboratory test data showed a coefficient of determination of 0.917 and a root mean square of 0.077. The staggered arrangement improves the effectiveness of the breakwater in reducing the transmission wave height. The developed semi-empirical model can be used to design the pile dimensions to achieve optimal reflected and transmitted wave heights for coastal protection. Keywords:  pile breakwater, coastal protection, hydraulic experiment, physical wave simulation, wave transmission new formula
Perancangan Sistem Pengelolaan Air Hujan dengan Zero Run Off System di RSUD Kota Bogor Nanda Nashiha Ihsani; Budi Indra Setiawan; Satyanto Krido Saptomo
JURNAL TEKNIK HIDRAULIK Vol 15, No 2 (2024): JURNAL TEKNIK HIDRAULIK
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v15i2.778

Abstract

Annual flooding during the rainy season at the Bogor City Regional General Hospital since 2016 has created a significant issue, potentially triggering a domino effect impacting the hospital, its visitors, staff, and patients. This study aims to design a rainwater management system to mitigate excessive rainwater puddles, which causes flooding, using the Zero Runoff System (ZROS) concept. The ZROS concept focuses on establishing an eco-drainage system for this government-owned hospital to address the issue of inundation effectively. This study employs rainfall-runoff modeling with statistical methods such as Distribution Testing and Chi-Square Analysis to determine data fit. Hydrological analysis is conducted to calculate design discharge and runoff volumes that can be discharged to detention ponds. The results show that the required storage volume is 72.35 m³, leading to the recommendation of constructing a detention pond system. The proposed detention system consists of two ponds, each measuring 5 m x 3 m with a depth of 2.5 m, providing a total storage capacity of 75 m³ to meet the required runoff control needs. The implementation of this system is expected to provide an integrated solution related to the flood issue at the Bogor City Hospital, considering that the hospital is a public facility that is prone to piles of garbage, for example, a control tub is made before water enters the Detention Pond. The chamber includes a trash screen with a closable outlet to facilitate maintenance and ensure the detention ponds remain effective. Keywords:  detention ponds, flood control,  inundation, rainwater management, zero run-off system
Analisis Fenomena Kehilangan Air Sungai Cisuwarna Petrus Syariman; Hendarmawan Hendarmawan
JURNAL TEKNIK HIDRAULIK Vol 1, No 1 (2010): Jurnal Teknik Hidraulik
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v1i1.230

Abstract

Discharge from Cisuwarna River is one of the main inflows to Rawa Danau highly expected by local people either upstream or downstream.  Part of water loss of Cisuwarna caused not optimum domestic water use.   Water loss indication can be seen from the simulation results by using SSARR model that calculated discharge greater than observed.    The methods used for water loss analysis are simultaneous discharge measurement, rainfall – runoff  and coefficient correlation analysis, and geological map interpretation.  The analysis result has proven that the average water loss at Cisuwarna is about 12 .4 million cumec per year or about 45% of calculated discharge.  Water loss is assumed to flow into the fault before flowing into Rawa Danau.  Water deficit is always going through every year in Rawa Danau.Keywords:   Water loss, calculated discharge, rainfall­runoff, faults, water deficit.
Pemodelan Degradasi dan Agradasi Dasar Sungai dengan Beberapa Persamaan di Sungai Winongo Yogyakarta Puji Harsanto; Galuh Nanda Sutri; Shakti Rahadiansyah; Surya Budi Lesmana
JURNAL TEKNIK HIDRAULIK Vol 15, No 2 (2024): JURNAL TEKNIK HIDRAULIK
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v15i2.768

Abstract

Calculating riverbed degradation and aggradation is essential in designing riverbank protection structures, particularly for determining foundation depth. Excessive degradation can compromise foundation stability, significantly increasing the risk of structural failure. Numerous predictive models for egradation and aggradation have been developed by researchers, highlighting the importance of selecting an equation that closely aligns with the specific characteristics of the river to achieve optimal design accuracy. This study aims to determine the most suitable predictive model for riverbed degradation and aggradation. A case study was conducted along a 43.75 km of the Winongo River Yogyakarta. The simulation involved riverbed sediment data collected at 500 m intervals from upstream to downstream, and secondary discharge data comprising average daily discharge for both wet and dry months. The selected grainsize parameter follows standards in HEC-RAS 6.3.1, with the Meyer Peter Müller equation applied to d90, Engelund Hansen to d50, and Laursen Copeland to d84. Simulation results of riverbed degradation were then compared against observed conditions of riverbank erosion. Riverbank steepness or protective structure failure indicates excessive riverbed degradation, while stable conditions suggest otherwise. Based on the simulations conducted on the Winongo River, the Engelund Hansen equation provided average degradation estimates more consistent with field conditions than the other two equations.Keywords:  degradation and agradation, transport sediment equations, HEC-RAS, river bank
Pengembangan Kriteria Status Mutu Ekosistem Danau Sebagai Bagian Dari Indikator Pengelolaan Terpadu Wilayah Sungai Eko Winar Irianto; Robertus Wahyudi Triweko; Doddi Yudianto
JURNAL TEKNIK HIDRAULIK Vol 1, No 1 (2010): Jurnal Teknik Hidraulik
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v1i1.227

Abstract

High rate of pollution on the watershed has impacted to deteriorate water quality reservoirs. Officially, Quality Status of Reservoir Ecosystem has not been established yet. So, this study describes the accomplishment of integrated watershed management using Quality Status of Lake Ecosystem criteria (SMED) formulated by ministry of environment. The application of the criteria to Saguling and Sutami reservoirs datas shows that quality status of the reservoir ecosystems are in threat conditions. In order to apply the SMED criteria for assessment of quality ecosystem in reservoir, the advance experiments are still needed mainly for the additional indicators as following: 1) integration blue­algae and biodiversity indicator with biodiversity index; 2) suitability of land erosion indicator connected with reservoir design of erosion rate; 3) shifting of siltation lake indicator siltation reservoir indicator in relation with the percentage of dead storage volume; 4) integration hydroelectric power and water resources exploitation associated with the hidrological reservoir and water balance; 5) suitability of fish cage calculation in reservoir, 6) suitability of water quality indicator related with water quality standard; 7) addition of corrosivity index and quality of bottom sediment in reservoir. To facilitate apply the SMED for the assessment of reservoir ecosystem.
Advancing Forensic Flood Analysis Through Hydraulic Physical Models Miguel Angel Sanchez-Quijano; Alfonso Gutierrez-Lopez; Fernanda Gonzalez Lagunas
JURNAL TEKNIK HIDRAULIK Vol 15, No 2 (2024): JURNAL TEKNIK HIDRAULIK
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v15i2.794

Abstract

Urban density significantly increases the multi-hazard risks caused by extreme weather events. In Latin America and the Caribbean (LAC) countries, flood damages in urban areas are considerable and have shown a consistent annual increase. This challenge has prompted innovative educational responses to address the growing need for understanding and managing urban flood risks effectively. As part of postgraduate education efforts, the International Flood Initiative under the Intergovernmental Hydrological Programme of UNESCO for the LAC region (IFI-LAC IHP-UNESCO) aims to enhance understanding of vulnerability and flood risk estimation in urban settings. The initiative encourages the development of advanced hydro-informatic tools, watershed and river modeling techniques, and scale prototype construction to foster practical learning.One of the educational approaches involves analyzing and reconstructing hydraulic infrastructure failures to provide insights into urban flood dynamics. This paper highlights the design and construction of a surface channel and a floodgate system equipped to enable controlled flash openings, capable of triggering crash waves. These facilities allow the recreation of three notable urban flood events, facilitating forensic hydraulic analysis. Detailed similitude analyses are provided, illustrating how sonic water level sensors can be effectively implemented and contributing to the understanding of flood risks and mitigation strategies in densely populated urban environments. Keywords:  flood; forensic analysis; hydraulics; open channel; damage; disaster; flash flood; break wall

Page 18 of 19 | Total Record : 186

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