A portion of a river is modeled with two reaches, A and B. Reach A extends from section1 to section 2 and has a length of 15000 ft, n = 0.07, S = 1 %, and Rh = 4 ft. Reach 2 extends from section 2 to section 3 and has a length of 17000 ft, n = 0.05, S = 0.5% and Rh = 5 ft. The hydrograph at Section 1 is (200, 300, 700, 600, 500, 400, 350, 300, 250, 225, 210, 205, 200), with a time increment, t of 10 min. Assume the initial discharge at downstream sections is 200. Using the Convex Routing Method, (a) route the hydrograph from section 1 to section 2 and then from section 2 to section 3.
A portion of a river is modeled with two reaches, A and B. Reach A extends from section1 to section 2 and has a length of 15000 ft, n = 0.07, S = 1 %, and Rh = 4 ft. Reach 2 extends from section 2 to section 3 and has a length of 17000 ft, n = 0.05, S = 0.5% and Rh = 5 ft. The hydrograph at Section 1 is (200, 300, 700, 600, 500, 400, 350, 300, 250, 225, 210, 205, 200), with a time increment, t of 10 min. Assume the initial discharge at downstream sections is 200. Using the Convex Routing Method, (a) route the hydrograph from section 1 to section 2 and then from section 2 to section 3.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A portion of a river is modeled with two reaches, A and B. Reach A extends from section1 to section 2 and has a length of 15000 ft, n = 0.07, S = 1 %, and Rh = 4 ft. Reach 2 extends from section 2 to section 3 and has a length of 17000 ft, n = 0.05, S = 0.5% and Rh = 5 ft. The hydrograph at Section 1 is (200, 300, 700, 600, 500, 400, 350, 300, 250, 225, 210, 205, 200), with a time increment, t of 10 min. Assume the initial discharge at downstream sections is 200. Using the Convex Routing Method, (a) route the hydrograph from section 1 to section 2 and then from section 2 to section 3.
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Step 1: Introduce the problem statement
VIEWStep 2: Compute velocity at reach A and reach B
VIEWStep 3: Compute corrected value of C at reach A
VIEWStep 4: Compute corrected value of C at reach B
VIEWStep 5: Summary of all parameters at reach A and reach B
VIEWStep 6: Route the hydrograph from section 1 to section 2 & section 2 to section 3
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