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INDONESIA
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 2 (2018): JURNAL TEKNIK HIDRAULIK" : 5 Documents clear
Kinerja Prototipe Papan Osilasi Pada Pompa Flap Tenaga Gelombang Untuk Pemanfaatan Mata Air Di Pantai Banyu Asri, Kota Singaraja - Bali Juventus Welly Ginting; I Ketut Dharma Setiawan
JURNAL TEKNIK HIDRAULIK Vol 9, No 2 (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 (1483.917 KB) | DOI: 10.32679/jth.v9i2.421

Abstract

The supply of raw water is generally water available from several sources, which are available only on a river, lake, water wells and springs. The extraction can be done by drilling, damming water, and pumping. Management of the potential of raw water in an area is determined by geographical and geological conditions. One of the occurrences of springs found in coastal areas is influenced by marine and geological parameters which will further affect the method of capture, management, and utilization. This prototype of raw water supply has been installed in a location around the spring at Banyu Asri Beach, Singaraja City, Buleleng Regency, Bali Province in 2013. Data collection methodology is carried out by observing the wave data, pumping discharge and water salinity. These observations were made for two types of oscillation boards, namely using wood and fiber. From this technology, it is expected that the supply of a stable source of springs and the mineral content that is maintained even though the position of the spring is strongly influenced by the tide of the sea water which often inundates the discharge point of the spring. The spring at Banyu Asri Beach has been widely used by the community for drinking water and ritual worship. From the results of the performance of the prototype after being installed at the location of the spring, it has shown the ability to drain fresh water through pipelines towards the land, although the wave height that occurs in very small locations ranges from 0.10 to 0.30 cm and the discharge flow is up to 0.03 L / sec.
Pembuatan Model Kendali Mutu Data Sedimen Sri Mulat Yuningsih; Asep Ferdiansyah; Muhammad Fauzi
JURNAL TEKNIK HIDRAULIK Vol 9, No 2 (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 (2187.276 KB) | DOI: 10.32679/jth.v9i2.584

Abstract

Special treatment for watershed management was needed due to severe of watershed condition in most regions in Indonesia. The treatment should be directed to comprehensive changes of management paradigm for all aspects in it. Those were indicated by the increasing of disasters around the watershed, such as floods, droughts, landslides, erosion and increased of sediment transported by the river basin. The increasing of sedimentation which occurs in the river flow will disrupt the performance of existing hydraulic structure in the river. The event could be monitored by hydrological data, especially with the continuously and accurately of discharge and sediment data. In order to solve the problem, sediment data quality control model was needed. The purpose of this research is to determined suspended sediment data quality control model, in order to have continuous and quality guaranteed of sediment transport data. The scopes of this sediment data quality control were making criteria and sub, determining rank priority between criteria and sub, arranging scoring form, trial and error, finalization. The model consists of three main stages, there are measurement of discharge and taking sediment sample (QC1), drawing of sediment rating curve (QC2), and conversion of discharge data to sediment transport (QC3).
Evaluasi Kinerja Alat Ukur Tinggi Muka Air Otomatis Menggunakan Kalibrator Di Laboratorium Isnan Fauzan Akrom; Hany Agustiani
JURNAL TEKNIK HIDRAULIK Vol 9, No 2 (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 (1232.716 KB) | DOI: 10.32679/jth.v9i2.585

Abstract

Water resources infrastructure development requires a careful planning, one of which requires hydrological analysis. The accuracy of hydrological data is influenced by the method, operator/observer, and the performance of the measuring instrument. Up date water resources management agencies in Indonesia have conducted observations of discharges in the rivers or channels, by observing Water Level (WL) at the gauging station. WL values can be read directly or by using an automatic WL meter tools (AUTO) which have been finstalled in many gauging stations. Therefore, it is necessary to evaluate the AUTO performance that can be done through calibration in the laboratory. This paper evaluates the performance of several types of AUTO (AWLR, AWLL buoyance, and AWLL pressure) by comparing themeasurement results with the standard/reference tool i.e, using a calibrator instrument, so that the values of the measurement error and uncertainty were obtained. Both parameters were used to determine the performance of AUTO devices because they are related to the level of accuracy and precision. Based on the results, it was found that AWLR produces the best level of accuracy and precision, followed by AWLL pressure, and AWLL buoyance.
Efektivitas Krib Untuk Mengurangi Gerusan Di Tikungan Luar Sungai Bengawan Solo James Zulfan; Yiniarti Eka Kumala
JURNAL TEKNIK HIDRAULIK Vol 9, No 2 (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 (1729.087 KB) | DOI: 10.32679/jth.v9i2.582

Abstract

Bengawan Solo River considered as a meander river. This condition has potentially triggered local scouring due to high flow velocity at the outer bend of the river. The scouring phenomenon occur in the segment of of Bengawan Solo river in junction with Kali Pepe river where the river bank has shifted ± 2 meter. This condition indicates that the erosion and scouring have occurred and need immediate scenarios because the river banks was eroded and the nearby residential areas wa threaten. To protect the critical river banks, groyne structure was implemented. This study aims to investigate the effectiveness of the placing of groyne structure along the outer river bend using 3 dimensional physical model test at the Hydraulics Laboratory. The obtained resutls will be verified by 2 dimensional numerical modeling. Based on the physical hydraulic model testing, groyne and riprap setup with optimum distance can be effective to reduce the energy and flow velocity of the river flow to secure the dikes and river embankments.
Uji Model Detail Desain Tanggul Laut Semarangx Suprapto Suprapto; Juventus Welly Ginting
JURNAL TEKNIK HIDRAULIK Vol 9, No 2 (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 (2144.041 KB) | DOI: 10.32679/jth.v9i2.530

Abstract

The implementation of a detailed test model for the design of the Semarang sea wall was carried out to determine the level of stability of the sea dike structure in the form of cube-shaped concrete block armor with 1 m side. Besides, a test model was also conducted to evaluate the elevation of the sea dike against various wave conditions and increase in water level due to land subsidence. The Semarang sea wall was designed to with stand waves and tides, as well as toll roads, so that the model test was carried out to test the stability of the protective and runoff layers. There are 5 test scenarios carried out, namely LS01, LS05, LS10, LS15 and LS15-120% where each scenario shows land subsidence that occurs after 1 year, 5 years, 10 years and 15 years assuming the amount of land subsidence in Semarang 0 , 1 m / year. The test model results show that the stability of the protective armor structure with the concrete cube is quite high, as evidenced by the damage level which is quite low (NoD <0.5) in all conditions of the test scenario. Runoff starts in the LS 10, LS 15 and LS 15 scenarios 120% for 1,192 lt / dt / m, 6,588 lt / dt / m and 20,215 lt / dt / m, respectively. The runoff that occurs can be categorized functionally unsafe for vehicles in status (unsafe at any speed) while for the condition of the structure it is categorized as no damage. Therefore, a comprehensive evaluation of the stability and elevation / peak elevation needs of the embankment needs to be carried out after a 10-year service period.

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