CD Skripsi
Analisis Mukaair Banjir Sungai Petani Kecamatan Pinggir Dengan Aplikasi HEC-RAS 6.4.1
Petani River is one of the rivers in Pinggir Prefecture, Bengkalis District, Riau Province, Indonesia. One of the flooding incidents that occurred in the district of Pinggir was a flood that took place in JL. Rangau, Km. 24 RT/RW 01/05 Farmers Village and affected 20 family with water height of 50 cm for 14 days. This study used the Nakayashu Method as a method to calculate the flood discharge plan and was modeled with the application HEC-RAS. From the results of the analysis of the calculation of the plan of the petani river, obtained the result Q 2 years = 11,017 m3/sec, Q 5 years = 12,935 m3/s, Q 10 years = 14,079 m3/s, and Q 25 years = 15,418 m3 /s. After performing the modeling of flooding with HEC -RAS application, the surface yield of the water exceeded the capacity of river so there was a flood air in some areas passed by the Petani River, the point of the air is STA 0+000, STA0 +600, STA1 +200, STA1,400, STA, 1 +600. STA1+800, STA2 +000, STA, 2 +400, Sta, 2+600, Sta 2 +800 and STA 3 +800. The air altitude ranges from 0.13 to 1.34 m.
Keywords: Petani River, Flood, Flood Discharge Design, HEC-RAS
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