Fundamentals of Transportation/Earthwork/Homework

Homework

1. What is a Mass Diagram and why is it important? What are the units on the vertical axis of a Mass Diagram (Metric)?

2. Looking at a mass diagram, suppose you see that at Station 1+750 the ordinate equals -1000, at Station 1+780 the ordinate is -2750, and at Station 1+900 the ordinate is zero. A) Describe what happens between stations 1+750 and 1+780. B) If the project ends at Station 1+900, what can you conclude about the earthwork required for this project?

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