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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.
Arjuna Subject : -
Articles 186 Documents
 11   12   13   14   15 
TEKNOSABO UNTUK MENGATASI SEDIMENTASI DI DAERAH TANGKAPAN AIR WADUK (KASUS WADUK MRICA) Ardian Alfianto
JURNAL TEKNIK HIDRAULIK Vol 5, No 1 (2014): JURNAL TEKNIK HIDRAULIK
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1929.636 KB) | DOI: 10.32679/jth.v5i1.302

Abstract

Penerapan Teknologi Sabo sebagai Penahan Laju Sedimentasi Pada Muara Danau Limboto Ardian Alfianto; Shandy Cecilia; Banata Wachid Ridwan; Chitra Widyasani Surya Putri
JURNAL TEKNIK HIDRAULIK Vol 11, No 1 (2020): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v11i1.609

Abstract

Lake siltation due to erosion and sedimentation in Limboto Lake has happened since 1932. Based on 2017 analysis, lake contriction reached 4,000 (88,81 hectares annually). So, Limboto is predicted to go extinct in 2031. Since 2017, sabo dam implementation includes a series of effort called ‘Limboto Lake Revitalization’ to retain sedimentation flow. This study aims to review and to compare existing data with latest primary data collected. Measurement of sedimentation potential volume is done using software WaTEM/SEDEM, sabo design, and sabo plan. Overall, sabo plan designed by Sulawesi II River Basin Office is sufficient to accommodate potential of erotion and sedimentation flow in Limboto, despite the hypothesis that sabo dam amount is lacking and structure is positioned unfit with sabo design standard. The review shows that based on accommodating capacity, it is not necessary to add structure in upstream river. On the other hand, based distance between structures, each river requires at least 1 additional structure. This study advises an additional of capacity surge to 1.111.537 cubic meters. Batulayar section has the biggest capacity of 193.662 cubic meters per year, while the smallest is located in Tabongo1 with a capacity of 11.031 cubic meters per year. Updating and scheduled sabo dam review are required.
Analisis Numerik Pengaruh Infiltrasi Hujan Terhadap Stabilitas Lereng Di Pangkalan, Sumatera Barat Rokhmat Hidayat
JURNAL TEKNIK HIDRAULIK Vol 11, No 1 (2020): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v11i1.630

Abstract

The landslides event was triggered by rain infiltration is an annual occurrence in Indonesia, majority of landslide occur in rainy season. In this research, the case of landslide taken in Pangkalan Area, District of Limapuluh Kota, West Sumatera. The location of the case study is the main access of West Sumatra-Riau, so the landslide in the location is certainly causing close the road. Research phase is geology mapping, geotechnical analysis, and hydrological modeling. Hydrological modeling is done by numerical simulation using laboratory data. The modeling results show that the rain infiltration process resulted in the formation of positive water pressure zone at the foot of the slope, then spread towards the top of the slope.  One day after the rainfall, the soil layer had been saturated. The soil layer will saturate the water, so that the slope stability will decrease and the landslide event will occur. To improve the slope stability, it can be done by preventing water from entering the permeable layer with the installation of the shotcrete layer, and draining the water from the slopes by the installation of horizontal drain.
A SIMPLE RUN-UP CALCULATION OF TSUNAMI KRAKATAU 1883 FOR THE EVALUATION OF NCICD SEAWALL DESIGN Eduardo Meyrianso Simanjuntak; Juventus Welly Radianta Ginting; Ida Ayu Irawati Diah Ratna Putra
JURNAL TEKNIK HIDRAULIK Vol 11, No 1 (2020): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v11i1.633

Abstract

                NCICD (National Capital Integrated Coastal Development) Seawall is designed mainly to prevent coastal flooding due to sea level rise and land subsidence in North Jakarta. However, the seawall is not designed to countermeasure a tsunami impact. The purpose of this research is to calculate tsunami impact in term of run-up in five strategic points such as Pelabuhan Muara Angke, Pelabuhan Nizam Zachman, Pantai Ancol, Pelabuhan Tanjung Priok dan Pantai Marunda. In this research, the seawall is evaluated for the worst-case tsunami scenario within the order of Tsunami Krakatau 1883. The source of tsunami is the initial condition from Maeno and Imamura (2011). The propagation from source to coastal area is conducted using SWASH model. SWASH 2D model shows a good agreement with observation data. Compared to Maeno and Imamura’s model, the numerical model shows a better agreement. The verified model is then extracted and the time series is used as an input for the 1D model to calculate the tsunami run-up. The model result shows that Tanjung Priok and Pantai Muranda are the most vulnerable point with tsunami run-up about 4 m. However, the current designed seawall with 4.8 m height is still sufficient to deal with this impact.
PENGARUH DISAIN TANGGUL LUAR NCICD TERHADAP KEJADIAN TSUNAMI KRAKATAU 1883 Juventus Welly Ginting; Ida Ayu Irawati Diah Ratna Putra; Eduardo Meyrianso Simanjuntak
JURNAL TEKNIK HIDRAULIK Vol 11, No 1 (2020): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v11i1.637

Abstract

Selama lima tahun terakhir telah dilaksanakan program penataan kawasan pesisir Jakarta yang diintegrasikan dalam suatu Program Pengembangan Terpadu Pesisir Ibukota Negara (PTPIN) atau sering disebut NCICD. Salah satu penataan yang dilakukan adalah dengan dibangunya tanggul luar. KOIKA sebagai salah satu pihak yang ikut dalam mendisain bentuk tanggul luar. Dalam laporan KOIKA “konsep disain Outer Sea Dike (OSD)” telah melakukan studi beberapa alternative bentuk profil tanggul serta layout dari rencana tanggul. Dari hasil kajian yang dilakukan oleh KOIKA diperoleh layout disain tanggul OSD. Disain yang ditawarkan oleh pihak KOIKA yaitu disain tanggul dengan disain terbuka (OSD open), tertutup (OSD Closed) serta dilengkapi dengan konsep reklamasi. Studi ini meninjau pengaruh pengaruh disain OSD terhadap kejadian tsunami Krakatau 1883. Dari hasil model numerik diperoleh disain tanggul OSD mempengaruhi ketinggian gelombang yang disebakan oleh tsunami untuk disain tanggul yang efektif untuk meredam ketinggian gelombang adalah disain dengan mengunakan disain kondisi eksisting dengan OSD open, jika dibandingkan dengan kondisi eksisting tanggul tersebut efektif untuk mengurangai ketinggian gelombang di 5 daerah kajian. 
CATCHMENT AREA EROSION STUDY IN ESTIMATION OF RESERVOIR CAPACITY AT THE END OF LIFE EXPECTANCY (CASE STUDY : GONDANG RESERVOIR, KARANGANYAR) Dhanang Samatha Putra
JURNAL TEKNIK HIDRAULIK Vol 11, No 1 (2020): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v11i1.632

Abstract

Gondang Reservoir is one of The National Strategic Projects. Located in Karanganyar Regency, Central Java Province, Gondang Reservoir has 2.08 Mm3 flood storage, 5.03 Mm3 effective storage, 2.03 Mm3 dead storage and 30 years lifetime. In the dam management, one of the problems that often occurs is sedimentation. To overcome this problem, we need to know the sedimentation rate and distribution pattern of Gondang Reservoir for optimalizing the reservoir management. To predict the distribution pattern of the reservoir we use Empirical Area Reduction Methods. The findings of the study show that the sediment volume of the reservoir throughout its effective life is 2,79 Mm3, the new zero elevation is +496 m, there is no remaining dead storage and the remaining effective storage is 2.2 Mm3. This indicates that theoretically the reservoir will work well up to its life expectancy. Dam sedimentation management with structural or non structural must be planned especially at effective storage. Dam sedimentation management at effective storage is very important in order to maintain Gondang Reservoir benefits.
MITIGASI DAN PENANGGULANGAN BENCANA BANJIR DEBRIS PASCA GEMPA PALU 2018 Cosmas Bambang Sukatja; Banata W.R; Perdi Bahri
JURNAL TEKNIK HIDRAULIK Vol 12, No 1 (2021): JURNAL TEKNIK HIDRAULIK
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v12i1.648

Abstract

The 7.4 SR earthquake which occurred in The Donggala Regency, Central Sulawesi on September 28th 2018 was a shallow earthquake due to the Palukoro fault activity.  The impact of the quake’s shaking created pressure on the rock and soil masses of 77 hilly locations in the Palu, Sigi, and Donggala, causing several landslides and the increasing the potential of more. One of the slopes of at risk of  landslides which can trigger debris flow is found on the hills of Poi Village, Dolo Selatan District, Sigi Regency. The estimated volume of lose material which could fall in a landslide is 4.8 million m3. Rainfall in the area is predicted to trigger debris flow with the potential to bury settlements and block the flow of the Palu tributary located downstream. For this reason, it is necessary to conduct a study of the lose material deposits in the Poi River channel which can trigger debris flows during the rainy season. The problem-solving method in this study used is a rationalistic and descriptive qualitative approach. In predicting the distribution direction, propagation and hydrograph of the debris flow ths study applies the numerical modelling SIMLAR 2.1. This debris disaster risk management effort uses Sabo technology physically and non-physically. Keywords: earthquakes, landslides, debris flow, debris disaster management, Sabo technology physically and non-physically.
PENDEKATAN MODEL KOMPUTASI UNTUK PENANGGULANGAN SEDIMENTASI PELABUHAN AKIBAT PENGARUH MUARA SUNGAI: STUDI KASUS PELABUHAN TANJUNG MAS SEMARANG Huda Bachtiar, S. Si., M. SC
JURNAL TEKNIK HIDRAULIK Vol 11, No 2 (2020): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v11i2.649

Abstract

Shoaling due to sedimentation process leads to the problem of port operation, where ships have a problem to navigate inside the port. The problem of the operation can lead to the reduction of the profit margin for the port. This paper discusses the engineering solution to solve the sedimentation problem because of the estuary inflow. In order to analyze the sedimentation behavior, computational model deploys as a tool for the assessments. The simulation results are validated by observation data; water level observation one month and current measurement for fifteen days. Simulation results show that the sedimentation in Tanjung Mas port mostly because of estuary inflow in the West and in the East side of the port with maximum suspended sediment concentration around 0,15 kg/m3. Sedimentation problems can be solved both by dredging and refunctioning of the breakwater. In the dredging process, the existing dumping area has an appropriate location since the sedimentation dispersion still in the offshore area. Refunctioning of the breakwater can also reduce the sedimentation effectively, it is shown by morphological model results where siltation process both near the navigation channel and inside the port can be blocked by the structure.
ANALISIS SEDIMENTASI LAGUNA SEGARA ANAKAN DENGAN PEMODELAN NUMERIK ANGKUTAN SEDIMEN KOHESIF Irham Adrie Hakiki; Leo Eliasta Sembiring; Cahyo Nur Rahmat Nugroho
JURNAL TEKNIK HIDRAULIK Vol 12, No 1 (2021): JURNAL TEKNIK HIDRAULIK
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v12i1.642

Abstract

Sagara Anakan Lagoon has been continuously receded caused by the high sedimentation rate. The deposited sediment volume was predicted to be around 1 million m3/year. This phenomenon, if not treated will harm the existing ecosystem and also could cause many kinds of its native biota extinct. Engineering could be applied to prevent it. However, the transport and sedimentation pattern must be known for it to be effective.  Silting in Sagara Anakan Lagoon simulated by using MIKE21 numerical model which could simulate sediment transport in 2D horizontal scheme. The deposited sediment, mainly consisted of mud, so the model must be capable for simulating cohesive sediment transport. Model is set to simulate one year of morphological event which reached with the usage of time speed up acceleration factor. Model calibrated to be able to simulate a deposition event in the order of one million m3/year. Model calibrated by tuning critical bed shear stress for deposition   and erosion  parameters as a base for sensitivity analysis. Model result shown that the sedimentation in Sagara Anakan Lagoon is caused by asymmetry of flood and ebb current. Major siltation happened around the delta with the maximum and mean observed bed change are approximately 0.6 m and 0.16 m respectively. The setup for this model could be used as a base model for planning an engineering approach for controlling sediment in Sagara Anakan Lagoon.Keywords: Numerical model, cohesive sediment, mud transport, estuary modellingKata Kunci: Model numerik, sedimen kohesif, transpor lumpur, pemodelan estuari
UJI MODEL FISIK RAYAPAN GELOMBANG PADA REVETMEN BUIS BETON Juventus Welly Radianta Ginting; Eduardo Meyrianso Simanjuntak; Ida Ayu Irawati Diah Ratna Putra
JURNAL TEKNIK HIDRAULIK Vol 12, No 1 (2021): JURNAL TEKNIK HIDRAULIK
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jth.v12i1.643

Abstract

Buis Beton (Precast concrete pipe) revetment is a common coastal structure to protect the shoreline from erosion. However, it is common that this type of structure face high wave run up. A continuous wave run up on the slope of the structure may reduce the life service of Buis Beton revetment. The objective of this research is to create scientific based guidance to design an efficient Buis Beton revetment against wave run up. A physical modelling test is conducted to understand the relationship between wave run up and Buis Beton revetment. The test scenario is based on the slope of the structure (θ), structure height (L), buis beton diameter (φ), incoming wave height (Hi) and wave period (T). The physical modelling is conducted in 2D wave flume with laboratory scale of 1:10 with regular wave simulation. Wave run up is observed using a video camera which is later processed digitally to acquire the wave run up data. This research shows that the relative wave run up has a reciprocal functional relationship with the Iribarren Number parameter. In general, wave run up height on Buis Beton revetment is less than or equal to 2.64 the wave height, Hm0.Keywords: Revetment, buis beton, wave run-up, physical modelling

Page 13 of 19 | Total Record : 186

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