A 100-acre watershed that is 80% Industrial and 20% newly graded areas (no vegetation). Thewatershed has soil group B. Determine the runoff volume for 10-year, 24-hr rainfall event (usethe IDF below)20.015.010.08.0RAINFALL INTENSITY IN INCHES PER HOUR6.04.060.10.080.060.040.025VDOT B, D & E eqn.except for 1-yearNOAA Atlas 14Vienna/Tysonsfor 1-year10 15 20MINUTESSHINERETURN PERIOD (YEARS)30 40 50 60N10DURATIONNOAA Atlas 14Vienna/Tysons234 5 6HOURS8 10 12سلسلي18 24

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A 100-acre watershed that is 80% Industrial and 20% newly graded areas (no vegetation). The watershed has soil group B. Determine the runoff volume for 10-year, 24-hr rainfall event (use the IDF below) 20.0 15.0 10.0 8.0 RAINFALL INTENSITY IN INCHES PER HOUR 6.0 4.0 0.1 0.08 0.06 0.04 0.02 5 VDOT B, D & E eqn. except for 1-year NOAA Atlas 14 Vienna/Tysons for 1-year 10 15 20 MINUTES RETURN PERIOD (YEARS) 507 30 40 50 60 10 HINT DURATION NOAA Atlas 14 Vienna/Tysons 2 3 4 5 6 HOURS 8 10 12 اسباب السلب ليل ساس.... 18 24

A 100-acre watershed that is 80% Industrial and 20% newly graded areas (no vegetation). The watershed has soil group B. Determine the runoff volume for 10-year, 24-hr rainfall event (use the IDF below) 20.0 15.0 10.0 8.0 RAINFALL INTENSITY IN INCHES PER HOUR 6.0 4.0 0.1 0.08 0.06 0.04 0.02 5 VDOT B, D & E eqn. except for 1-year NOAA Atlas 14 Vienna/Tysons for 1-year 10 15 20 MINUTES RETURN PERIOD (YEARS) 507 30 40 50 60 10 HINT DURATION NOAA Atlas 14 Vienna/Tysons 2 3 4 5 6 HOURS 8 10 12 اسباب السلب ليل ساس.... 18 24

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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Question

A 100-acre watershed that is 80% Industrial and 20% newly graded areas (no vegetation). The
watershed has soil group B. Determine the runoff volume for 10-year, 24-hr rainfall event (use
the IDF below)
20.0
15.0
10.0
8.0
RAINFALL INTENSITY IN INCHES PER HOUR
6.0
4.0
6
0.1
0.08
0.06
0.04
0.02
5
VDOT B, D & E eqn.
except for 1-year
NOAA Atlas 14
Vienna/Tysons
for 1-year
10 15 20
MINUTES
SHINE
RETURN PERIOD (YEARS)
30 40 50 60
N
10
DURATION
NOAA Atlas 14
Vienna/Tysons
2
3
4 5 6
HOURS
8 10 12
سلسلي
18 24

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