A reservoir has a capacity of 3 x 106 m³ and a drainage area of 249 km2. The annual inflow is equivalent to 250 mm of runoff from the given drainage area, and annual sediment production is equivalent to a weight of 10.08 × 106 N/km2 of drainage area. The sediment has an average specific weight of 14689 N/m³. Assume dead storage as 11% of initial reservoir capacity and an average value of trap efficiency 82%. Determine the number of years it will take for dead storage to be filled with sediment.
A reservoir has a capacity of 3 x 106 m³ and a drainage area of 249 km2. The annual inflow is equivalent to 250 mm of runoff from the given drainage area, and annual sediment production is equivalent to a weight of 10.08 × 106 N/km2 of drainage area. The sediment has an average specific weight of 14689 N/m³. Assume dead storage as 11% of initial reservoir capacity and an average value of trap efficiency 82%. Determine the number of years it will take for dead storage to be filled with sediment.
Chapter2: Loads On Structures
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Transcribed Image Text:A reservoir has a capacity of 3 x 106 m3 and a
drainage area of 249 km2. The annual inflow is
equivalent to 250 mm of runoff from the given
drainage area, and annual sediment production
is equivalent to a weight of 10.08 x 106 N/km²
of drainage area. The sediment has an average
specific weight of 14689 N/m³. Assume dead
storage as 11% of initial reservoir capacity and
an average value of trap efficiency 82%.
Determine the number of years it will take for
dead storage to be filled with sediment.
Answer:
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