Rainfall intensities during each 30 minutes of a 150-minute storm are presented in the table below. For a basin of 500 acres, if the direct runoff was measured to be 105 acre-ft, find the D index in (in/hr). Time (min) 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Rainfall Intensity (in/hr) 0.5 2.0 6.5 5.0 0.9 2.0 3.0
Rainfall intensities during each 30 minutes of a 150-minute storm are presented in the table below. For a basin of 500 acres, if the direct runoff was measured to be 105 acre-ft, find the D index in (in/hr). Time (min) 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Rainfall Intensity (in/hr) 0.5 2.0 6.5 5.0 0.9 2.0 3.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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