PERBANDINGAN VOLUME GALIAN TIPE SPILLWAY SAMPING DENGAN TIPE SPILLWAY TERJUNAN PADA BENDUNGAN LEUWIKERIS CIAMIS – JAWA BARAT
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
SIMANJUNTAK, F. ARTHA ULI
Pantouw, John Paulus
Pantouw, John Paulus
Subject
Teknik Sipil
Datestamp
2019-10-07 05:57:07
Abstract :
The plan of Leuwikeris Spillway is one of importan stage from planning Dam Leuwikeris. Initial stages of this study is to plan corresponding to the spillway planning with consideration topography, hydrology, and hydraulics. Research was conducted using rainfall data for 2008-2017. Rainfall analysis using the Log Pearson III method, calculation of rain intensity using the Mononobe method and analysis of planned flood discharge using the Nakayasu HSS method. Based on the results of the analysis of calculations that have been carried out, it was found that the 1000-year return inflow rate was 1489,223 m3 / sec and the PMF return period was 4648,564 m3 / sec, 1000-year return outflow 1356,872 and PMF 4394,393 m3 / det. . The result of the volume of excavation on the side spillway is at an elevation of +150 m with a volume of 415,625 m3 and the spillway of the falls is at an elevation of +180 m with a volume of excavation of 734,375 m3.
The plan of Leuwikeris Spillway is one of importan stage from planning Dam Leuwikeris. Initial stages of this study is to plan corresponding to the spillway planning with consideration topography, hydrology, and hydraulics. Research was conducted using rainfall data for 2008-2017. Rainfall analysis using the Log Pearson III method, calculation of rain intensity using the Mononobe method and analysis of planned flood discharge using the Nakayasu HSS method. Based on the results of the analysis of calculations that have been carried out, it was found that the 1000-year return inflow rate was 1489,223 m3 / sec and the PMF return period was 4648,564 m3 / sec, 1000-year return outflow 1356,872 and PMF 4394,393 m3 / det. . The result of the volume of excavation on the side spillway is at an elevation of +150 m with a volume of 415,625 m3 and the spillway of the falls is at an elevation of +180 m with a volume of excavation of 734,375 m3.
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