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Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem IV: The mean and standard deviation of the 30-min annual maximum rainfalls observed at a rain gauge in Iowa are computed to be 10.51 mm and 5.96 mm, respectively. The Steel 542 Formula for the gauge's 100-year IDF curve is 1= where i is the rainfall intensity, (t+4.5)* in mm/hr; and t is the rainfall duration, in min. |(1) Determine the 10-year 30-min rainfall intensity by assuming a Gumbel distribution (2) Develop a 100-year 24-hr synthetic design storm using the NRCS rainfall distribution method for a computational time interval of 1 hr
Transcribed Image Text:Problem IV: The mean and standard deviation of the 30-min annual maximum rainfalls observed at a rain gauge in Iowa are computed to be 10.51 mm and 5.96 mm, respectively. The Steel 542 Formula for the gauge's 100-year IDF curve is 1= where i is the rainfall intensity, (t+4.5)* in mm/hr; and t is the rainfall duration, in min. |(1) Determine the 10-year 30-min rainfall intensity by assuming a Gumbel distribution (2) Develop a 100-year 24-hr synthetic design storm using the NRCS rainfall distribution method for a computational time interval of 1 hr
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