A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load haul units under each of thestated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition.(1)Rock, wellblastedCondition(2)Sand andMaterialgravel15Depth of excavation (f)Angle of swing (degrees)Percent swell149012015%Efficiency factor (min per hr)4045$0.916/bcy50.451/bcy50.954/bcy$0.417/bcy50.897/bcy$0.394/bcy50.988/bcyO 50 378/bcy

Given: Bucket size=312cy Max. digging depth=26 ft Wages for operator=$ 130

A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load hauf units under each of the stated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition. Condition (1) (2) Rock, well blasted Sand and Material gravel 15 Depth of excavation (f) Angle of swing (degrees) 14 90 120 Percent swelI 159% Efficiency factor (min per hr) 40 45

A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load hauf units under each of the stated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition. Condition (1) (2) Rock, well blasted Sand and Material gravel 15 Depth of excavation (f) Angle of swing (degrees) 14 90 120 Percent swelI 159% Efficiency factor (min per hr) 40 45

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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