homework

faleh_alajmi

 

1.  When designing a bridge, what considerations must be accounted for in addition to cost?

 

 

 

2.  Why are fish ladder sometimes necessary?

 

 

 

3.  A sieve analysis was conducted on a 150 gram sample of course-grained soil.  The results are provided below. Calculate the percent passing each sieve and create a grain-size distribution plot on a semi-log graph (x-axis on logarithmic scale). 

 

 

 

Sieve Number

Sieve Size (mm)

Mass Retained (gram)

4

4.75

5

10

2.00

11

20

0.85

21

40

0.425

34

60

0.25

38

100

0.15

24

200

0.075

12

Pan

 

5

 

 

 

 

 

 

 

  • 12 years ago
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