engineering economics, Civil Engineering

Assignment Help:
Ask quA contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum size shovel that will excavate 450,000 bcy of common earth in a minimum of 120 working days of 10 hr each. The average height of excavation will be 18 ft, and the average angle of swing will be 80 degrees. The 3-cy shovel has a maximum digging height of 30 ft and the 5-cy machine;s maximum digging height is 34 ft. The efficiency factor will be a 50-min hour. Appropriate-size units can be used with either shovel. How many days will it require to complete the work? (5-cy machine, 105 days to complete
estion #Minimum 100 words accepted#

Related Discussions:- engineering economics

Determine the limit state of serviceability, Determine the Limit State of S...

Determine the Limit State of Serviceability Cracking Cracking of concrete should not affect the appearance or durability of the structure. The criteria of limit state of cracki

Doors, About Doors,windows&vendilators

About Doors,windows&vendilators

Influence lines for cantilever beam, fine the influence line for cantilever...

fine the influence line for cantilever beam of span 7 m and load at 2 m?

Define carbonation - underwater inspection of bridge, Define Carbonation - ...

Define Carbonation - underwater inspection of bridge? Carbon dioxide is present in the air and attacks the concrete directly. It has the effect of destroying the normal passivi

Determine the flow area of storm water, Storm water flows at a depth of 4 f...

Storm water flows at a depth of 4 ft in the natural channel as shown in the figure. The channel has a slope of 0.0l ft/ft and n = 0.025. 1. Determine the flow area:

Explain use of scour valve, Q. Explain Use of Scour Valve? Scour Valve ...

Q. Explain Use of Scour Valve? Scour Valve - Scour Valve at depressions on the main for clearing and emptying the pipes. It is also called blow off valve or Drain valve. This t

#support reactions, calculate the support reaction as shown in figure;

calculate the support reaction as shown in figure;

Calculate the concrete tensile strength, Calculate the concrete tensile str...

Calculate the concrete tensile strength A 6 in. by 12 in. concrete cylinder resisted a transverse force of 55,000-lbf, at 28 days, in a split tensile cylinder test. Calculate t

What do you mean by shallow gradient of pipes, Q. Colebrook White formula s...

Q. Colebrook White formula suitable for shallow gradient of pipes? Manning's Equation is commonly used for rough turbulent flow while Colebrook-White Equation is adopted for t

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd