CivE 486 Homework #1 solutions

815 147 0170 0170 096 5chinproblem89 designlife10yrs

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Unformatted text preview: 0.170 0.170 0.96 5) Chin Problem 8.9 Design life = 10 yrs Failure probability = 1% over 10 years Calculate return period 0.01 1 1 1 0.99 1 1 995 yrs Calculate design flow 1 ln 6.90 ln 1 1 1 exp exp m s 6) Consider Example 8.23 in the Chin textbook. Compare the magnitude of the 100‐yr annual maximum discharge estimated using the Method of Moments versus L‐Moments parameter estimates. (you are not required to understand the method of L‐moments). From the example, the mean and standard deviation of log Q from the method of moments are 4.61 and 1.96, respectively. The 100‐year storm is therefore 0.99 . 2.32 ⋅ 4.61 2.32 ∗ 1.96 ln ln 9.15 9482 m /s From example, mean and...
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This document was uploaded on 02/10/2014.

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