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4 cards from this section. Quick, good the night before a test.
Define cycle time in bulldozer operations.
Consider all parts of the bulldozer work operation.
What does blade load refer to?
Think about how much soil a dozer can carry in one go.
What does cycle time consist of?
Think about the full range of actions required for bulldozer operations.
True or False: Blade load can only be determined through manufacturer specifications.
Consider practical methods of estimation.
A bulldozer has a blade capacity of 7 cubic meters and operates with an average cycle time of 25 seconds. How many cubic meters does it produce in an hour assuming perfect job efficiency?
Make sure to calculate the conversion from seconds to hours.
Given an uphill grade of 20%, if the ideal productivity from production curves is 800 cubic meters per hour, apply a correction factor of 0.8 due to decreased efficiency. What is the adjusted productivity?
Use the correction factor to refine the estimate.
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