Construction Materials, Methods and Techniques (MindTap Course List)
4th Edition
ISBN: 9781305086272
Author: William P. Spence, Eva Kultermann
Publisher: Cengage Learning
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Chapter 4, Problem 9RQ
To determine
The necessity of underpinning
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4. The storm hyetograph below produced 530 acre-ft of runoff
over the 725-acre Green River watershed. Plot the storm
hyetograph and compute and plot the excess rainfall
hyetograph using the op-index method.
Time (hours)
0-33-66-99-12 12-15
Rainfall Intensity (in/hr) 0.2 0.8|1.2 1.8 0.9
-125 mm
-125 mm
-125 mm
100 mm
P
A C 310 x 45 made of A36 is connected to a plate and carries a load P in tension. The
bolts are 22-mm in diameter and is staggered as shown in figure PSAD-016.
Properties of C 310 x 45
A = 5680 mm²
d = 305 mm
t = 12.7 mm
tw = 13.0 mm
b = 80.5 mm
x = 17.1 mm
Determine the shear lag factor of the channel.
Determine the effective net area of the section in mm².
Compute the design capacity of the section.
Please answer the following and show the step by step answer on clear paper
Chapter 4 Solutions
Construction Materials, Methods and Techniques (MindTap Course List)
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