Run-Off Hidrological Analysis Using HEC-HMS 4.11 Software (Case Study In Fakultas Teknik, Unversitas Lampung)
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HEC-HMS 4.11,
Universitas Lampung Hydrological analysis,
HEC-HMS 4.11,
University of Lampung
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Abstract
Flooding can occur if the channel crossing capacity cannot accommodate the surface flow discharge. Floods can be controlled by taking into account the canal cutting capacity required to prevent the canal from leaking. The hydrological analysis is an early part of the design of water buildings. Hydrology analysis used in this study is a run-off flow modeling using HEC-HMS 4.11 software. The research location was conducted at the Faculty of Engineering of the University of Lampung, this location was taken because when the peak discharge occurred there were some areas that suffered air due to the inability of the channel in flowing rain discharges optimally. Based on the calculations it can be concluded that the results of the analysis of the calculation of the difference between the simulation and the measured discharge have a percentage value of not more than 1%, so the hydrological simulation model can be continued to calculate the prediction of the recurrence of discharges. Subsequently, the analysis of modeling using HEC-HMS software obtained peak outputs for a 5-year recovery period of 1,103 m3/s, for a 10 year recovery of 1,319 m3/s, a 25-year recycling of 1,595 m3 / s, a 50-year recession of 1,801 m3/ s and for a 100-year recess period of 2,006 m2/s.
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