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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 5 Documents
 1 
Search results for , issue "Vol 9, No 1 (2018): JURNAL TEKNIK HIDRAULIK" : 5 Documents clear
MONITORING DAN UPAYA MENGENDALIKAN MUKA AIR PADA PERKEBUNAN DI LAHAN RAWA GAMBUT DI INDONESIA Budi Triadi; Parlinggoman Simanungkalit
JURNAL TEKNIK HIDRAULIK Vol 9, No 1 (2018): 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 (1531.96 KB) | DOI: 10.32679/jth.v9i1.475

Abstract

Drainage construction for  plantations development on peatlands often caused controversy. Dranage construction will be followed by subsidence of peatland. To be able to extend the chance to get profit in the plantation business subsidence prevention efforts are needed. Setting water level and the prevention of excessive drainage is one of the efforts to reduce the rate of subsidence of the peat. This study is based on literature review by collecting information from various sources and then comparing and analyzing it so that information is obtained on a comprehensive subject matter. Literature review include: monitoring parameters, types of equipment for monitoring, pattern placement monitoring equipment, the range and the frequency of monitoring. From the study concluded that the water level necessary to measure on land and channels using dipwell and staff gauges. Observations were made with a combination of automated  recording device and manual recording. Both are quite accurate, but the use of automatic registers in remote locations saves time, and if an automatic device is installed in an area that has the potential to have large water level fluctuations and runs quickly, it will provide more accurate data. Observations on dams for water level control are installed at every 20 cm drop in hidraulic head. 
Analisis Keberlanjutan Pembangunan Bendungan Way Sekampung, Lampung Mirza Nirwansyah; Cecep Kusmana; Eriyatno Eriyatno; M.Yanuar J. Purwanto
JURNAL TEKNIK HIDRAULIK Vol 9, No 1 (2018): 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 (1205.259 KB) | DOI: 10.32679/jth.v9i1.492

Abstract

The availability of water resources provides many benefits for the welfare of all human being. The Decrease of the availability of water resources is caused by various reasons, including as environmental damage of catchment area, human activities, land conversion, and the issue of global warming. The problems caused an increase in floods and droughts. Dam development can reduce the risk of flood and drought through a reservoir operation by using less water during rainy season and using much water during dry season. The sustainability of water resources in Way Sekampung can be identified by three main indicators, which are ecology, economic, and sosio-cultural by using the MDS (Multi Dimensional Scaling) analysis, There are two item become the focus of this research i.e. sedimentation and water balance. These factors are considered as the most important factors in planning a dam. Operationally, this policy will be applied by supplying water based on demand, strengthening water resources institutions, improving infrastructure facilities and developing technology.
Potensi Pasang Surut Lahan Rawa untuk Pengembangan Irigasi di Kabupaten Merauke Menggunakan Pemodelan Hidrodinamika 1D2D Yudi Lasmana; Parlinggoman Simanungkalit; Muhammad Gifariyono; Ganggaya Sotyadarpita; L. Budi Triadi
JURNAL TEKNIK HIDRAULIK Vol 9, No 1 (2018): 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 (1751.988 KB) | DOI: 10.32679/jth.v9i1.432

Abstract

Development of agriculture in lowland areas in Merauke Regency of Papua Province has been undertaken by both the Government and the community. However, the existing condition shows during the dry season the rice fields are drought so that it can only be one time a year. This is because the water needed to irrigate the land relies on water from the tides while the highest water when the tide has not been able to enter the land. Merauke District has three major rivers, namely Bian River, Kumbe River and Maro River, the three rivers are the source of water that can be the potential to overcome this problem. Therefore, a study was conducted to determine the potential of ups and downs of the River BIKUMA as input in the development of lowland irrigation in Merauke Regency. This study is supported by hydrometry and hydraulic surveys conducted during the dry season during spring tide and neap tide simultaneously for all three rivers. The survey included measuring river geometry activities with a range of 5 Km, river hydrometry measurements (observation of water fluctuations with proportional distances for model calibration and upstream river velocity for discharge). Limitations of river upstream measurements are limited by the distance of the Bian River 125 Km, the River Kumbe along the 171 km, and the Maro River along 66 km. Then performed a 1D2D hydrodynamic mathematical modeling that describes the movement of water from upstream to downstream. From the results of modeling is known that the water entering from the sea to the Bikuma River is greater than the water out to sea. The potential for tides is 1.7 M m3. Furthermore, the simulation of Sobek 1D2D obtained the extent of natural condition, the area that can be inundated is 123.609 ha. Utilization of tidal potential can be channeled to the development of lowland irrigation in Merauke. Upper tidal energy in the upstream can be directed to the development zone location through an integrated lowland irrigation water management system so that water utilization can be optimal.
Refleksi Gelombang Pada Pemecah Gelombang Tenggelam Blok Beton Berkait I Ketut Dharma Setiawan; Juventus Welly Radianta Ginting
JURNAL TEKNIK HIDRAULIK Vol 9, No 1 (2018): 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 (643.912 KB) | DOI: 10.32679/jth.v9i1.335

Abstract

When a large dimension of rock needed for an armored layer of breakwater, the scarcity of it became a major adversity, because of that many research subject of using concrete as a substitute for rock performed. One of the research are the usage of concrete block for submerged breakwater as a method for avoiding a very large concrete block, but still able to withstood wave forces. The key is in the interlocking of each concrete block so it could achieve the desired result with a lesser dimension concrete block. The research was performed in Laboratory of Coastal Experimental Station, Water Resource Research Center, using a 2D channel. The facility used were flume channel, regular wave generator machine, wave dumper, wave probe, and computer for processing data. The experiment indicate that the wave energy attenuation depends on the dimension of interlocking concrete block type submerged breakwater. The dimension represented in the form of relation of the distance of water level to structures crest and the crests width. The breakwater performance of the concrete block is quite useful as an underwater coastal protection building viewed from reflection with a reflection coefficient of 34.7% at (h?d) / h = 0 and the peak width of B = 2.0
Efisiensi Model Fisik Peredaman Energi Gelombang Dengan Permeable Breakwater Juventus Welly Ginting
JURNAL TEKNIK HIDRAULIK Vol 9, No 1 (2018): 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 (2039.225 KB) | DOI: 10.32679/jth.v9i1.420

Abstract

In this research calculates the efficiency of wave energy reduction by using permeable breakwater as an alternative coastal protection. The method used is to do physical modeling in the laboratory to get optimal efficiency. The preparation of the model scenario is done by changing the schematization of the model scenario by changing the permeable brackwater characteristics (width b and height h) to the water level d. and the T wave period. Wave energy is calculated at the location in front of the structure and behind the structure. After calculating the comparison of wave energy in the two locations, it can be obtained the efficiency value of wave energy reduction due to the existence of the structure. The influence of the structure dimension on the reduction of the highest wave energy is obtained with the highest energy reduction value when the condition h / B = 1 where the condition of the structure is the same as the width of the structure. In the conditions of damping the wave energy when compared to the water depth (d) the greatest energy reduction value is at d = 10 cm so that in its utilization as a wave energy damper the height of the structure must be higher than the mean Mean level level (MSL) in the area to be applied structure permeable breakwater will be placed.

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