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

Mohrs circle, The state of stress at a point is given through the stress co...

The state of stress at a point is given through the stress components sx = 70 MPa, sy = 10 MPa, and txy = - 40 MPa. Using Mohr''s circle find (i) Principal stresses, and (ii) Princ

Drawbacks of curing by ponding and polythene sheets, Question What are the ...

Question What are the main drawbacks of curing by ponding and polythene sheets ? Answer Purpose of curing is to decrease the speed of heat loss of freshly placed concrete to atm

What is the specific gravity of the soil, An oven-dried soil weighing 1.89 ...

An oven-dried soil weighing 1.89 N is placed in a pyknometer which is then filled with water. The total weight of the pyknometer with water and soil is 15.81 N. The pyknometer fill

Determine the natural frequencies - shear building, For the shear building ...

For the shear building shown, determine the natural frequencies (RAD/SEC) and the modal matrix. Also, sketch the deflected buildings in their normal modes using the top floor as th

What is an ice dam sock, If you have never used an ice dam melting sock on ...

If you have never used an ice dam melting sock on your roof before, you will search that they give an inexpensive method for removing roof ice dams and improving your home's heatin

Designing of service reservoirs, Question In designing of service res...

Question In designing of service reservoirs , straight reinforcement in walls of reservoirs is placed at external layer. Give some specific and main reasons?   Answer

SHEARING STRESS IN CIRCULAR SECTION, SHEAR STRESS DISTRIBUTION INTO CIRCULA...

SHEAR STRESS DISTRIBUTION INTO CIRCULAR SECTION DERIVATION

Irrigation, what is a balancing depth

what is a balancing depth

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