You are given the following information about a dry-batchpaving operation. You are going to use one mixer that has aservice rate of 30 services per hour. The dry-batch trucksyou use for bringing concrete to the paver have an arrivalrate of 7.5 arrivals per hour. Each truck carries 6 cubic yardsof concrete. You have a total amount of 13,500 cubic yardsof concrete to pour. You rent a truck at $15 per hour and thepaver at $60 per hour. If the job takes more than 80 hours,you pay a penalty of $140 per hour owing to delays in jobcompletion. On the basis of least cost, determine the numberof trucks you should use. Plot the cost versus the numberof trucks used.
You are given the following information about a dry-batchpaving operation. You are going to use one mixer that has aservice rate of 30 services per hour. The dry-batch trucksyou use for bringing concrete to the paver have an arrivalrate of 7.5 arrivals per hour. Each truck carries 6 cubic yardsof concrete. You have a total amount of 13,500 cubic yardsof concrete to pour. You rent a truck at $15 per hour and thepaver at $60 per hour. If the job takes more than 80 hours,you pay a penalty of $140 per hour owing to delays in jobcompletion. On the basis of least cost, determine the numberof trucks you should use. Plot the cost versus the numberof trucks used.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
You are given the following information about a dry-batch
paving operation. You are going to use one mixer that has a
service rate of 30 services per hour. The dry-batch trucks
you use for bringing concrete to the paver have an arrival
rate of 7.5 arrivals per hour. Each truck carries 6 cubic yards
of concrete. You have a total amount of 13,500 cubic yards
of concrete to pour. You rent a truck at $15 per hour and the
paver at $60 per hour. If the job takes more than 80 hours,
you pay a penalty of $140 per hour owing to delays in job
completion. On the basis of least cost, determine the number
of trucks you should use. Plot the cost versus the number
of trucks used.
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