A residential catchment has an area of 1.6 sq km. The catchment length from A, which is the catchment boundary, to the outlet B is 1250 m and the average ground slope is 3.5%. At the catchment location the 10-year storm has the intensity duration frequency relation given in eq 1. The surface cover has roughness coefficient of n=0.025 and the effective rainfall may be estimated as 4) 80% of the rainfall intensity from the IDF. Estimate the time of concentration 0.6 6.99| nL using Kinematic wave equation, the formula is te ;0.4 Vs. For a 10-yr storm: i=335.82– 60.95 In(t) – Eq1 where i is in mm/hr and t is the duration in minutes

A residential catchment has an area of 1.6 sq km. The catchment length from A, which is the catchment boundary, to the outlet B is 1250 m and the average ground slope is 3.5%. At the catchment location the 10-year storm has the intensity duration frequency relation given in eq 1. The surface cover has roughness coefficient of n=0.025 and the effective rainfall may be estimated as 4) 80% of the rainfall intensity from the IDF. Estimate the time of concentration 0.6 6.99| nL using Kinematic wave equation, the formula is te ;0.4 Vs. For a 10-yr storm: i=335.82– 60.95 In(t) – Eq1 where i is in mm/hr and t is the duration in minutes

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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