A 300 acre watershed just south of Chicago is currently undeveloped (woods). The soils are primarily clay, the hydraulic length of the watershed is6560 ft, and the average lank slope is 1%. Determine the SCS synthetic UH before development and finish the table below.Solution:from Table 11.7;1. For clay soil with woods cover, CN=2. The soil moisture deficit S =in;3. For a watershed with hydraulic length, time of concentration Te=hrmin;4. Time to peak Tp=min:5. Peak discharge Op=cfsjin;6. Storm duration is AD=hr=min;7. The-min UH is displayed below using Table 11.11;FlowTimeTime RatiosFlow Ratios(min)(cfs)(t/tp)(9/ap)21130.10.240420.310.40.660.60,930.81251210.931.21021461.40.78167730.561.6511880.391.8

The SCS curve number method is generally an important and most helpful method for calculating the…

A 300 acre watershed just south of Chicago is currently undeveloped (woods). The soils are primarily clay, the hydraulic length of the watershed is 6560 ft, and the average lank slope is 1%. Determine the SCS synthetic UH before development and finish the table below. Solution: 1. For clay sol with woods cover, CN = from Table 11.7; 2. The soil moisture deficit S= in: hr= min 3. For a watershed with hydraulic length, time of concentration T 4. Time to peak T,= hr min 5. Peak discharge Q,= cfs/in 6. Storm duration is AD = hr3 min 7. The -min UH is displayed below using Table 11.11; Time Flow Time Ratios Flow Ratios (min) (cfs) (t/tp) (q/ap)

A 300 acre watershed just south of Chicago is currently undeveloped (woods). The soils are primarily clay, the hydraulic length of the watershed is 6560 ft, and the average lank slope is 1%. Determine the SCS synthetic UH before development and finish the table below. Solution: 1. For clay sol with woods cover, CN = from Table 11.7; 2. The soil moisture deficit S= in: hr= min 3. For a watershed with hydraulic length, time of concentration T 4. Time to peak T,= hr min 5. Peak discharge Q,= cfs/in 6. Storm duration is AD = hr3 min 7. The -min UH is displayed below using Table 11.11; Time Flow Time Ratios Flow Ratios (min) (cfs) (t/tp) (q/ap)

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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