1.) The earthworks data of a proposed highway is tabulated below. The free haul distance is 50m and the cost of borrow is P420 per cum, cost of excavation is P350 per cum. and the cost of haul is P21 per meter station. The ground surface is assumed to be uniformly sloping. (a) Compute the free haul volume. (b) Compute the overhaul volume. STATION AREA CUT FILL 10 + 160 41.13m2 (Balancing Point) 47.85 m2 10 + 401.97 10 + 610

1.) The earthworks data of a proposed highway is tabulated below. The free haul distance is 50m and the cost of borrow is P420 per cum, cost of excavation is P350 per cum. and the cost of haul is P21 per meter station. The ground surface is assumed to be uniformly sloping. (a) Compute the free haul volume. (b) Compute the overhaul volume. STATION AREA CUT FILL 10 + 160 41.13m2 (Balancing Point) 47.85 m2 10 + 401.97 10 + 610

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Pile Foundation

Section: Chapter Questions

Problem 18.11P: Redo Problem 18.10 using the method for estimating the skin resistance. 18.10 A concrete pile 15 m...

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Q1: In construction of a highway section, the earthwork information is available as shown in the table below. The free-haul distance is 500m and the swelling factor is 20%. Draw the mass haul diagram between station 3 + 00 and station 9 + 00 and determine the extra compensation that must be paid to the contractor when the overhaul price is $200/m3 station. Station Cut Fill 3 + 00 50 250 4 + 00 150 550 6+ 00 150 200 7+ 00 910 50 9 + 00
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A 6-yd hydraulic shovel with a bottom-dump bucket is excavating common earth. The swing angle is 75 degree and job efficiency is 40 min/h. The bucket fill factor is 0.9. Estimate the shovel's hourly production in BANK measure. 604.8 BCY/h 263 BCY/h 318.5 BCY/h 483.84 BCY/h Question 2 For the same question: A 6-yd hydraulic shovel with a bottom-dump bucket is excavating common earth. The swing angle is 75 degree and job efficiency is 40 min/h. The bucket fill factor is 0.9, What is the job efficiency required to reduce the current cost per BCY by $5 if the shovel costs $5000 per hour? 1.3 0.666 0.7 1.1
6.5 Complete the earthwork calculation sheet here and plot the resulting mass diagram. Divide ccy by 0.9 to convert to bcy (column 10). Calculate th average haul (trapezoidal formula) for the balances on this project. Is this a waste or borrow project? Alge- braic Strip- ping fill Strip- ping cut Vol. of End- Vol. of End- Total fill Adj. fill Total Mass ordi- area area cut sum fill fill cut cut (ccy) (bcy) (ccy) (8) (bcy) (10) (bcy) (11) (bcy) (ссу) (Ьсy) (5) nate (sf) (2) (sf) (3) Station (9) (7) (12) (6) (4) (1) 0.90 10 + 00 80 580 11 + 00 90 2100 0. 12 + 00 100 13 + 00 4650 100 6000 14 + 00 60 80 560 3250 15 + 00 80 1620 16 + 00 1300 85 80 2450 700 17 + 00 100 7800 18 + 00 90 3620 1980 19 + 00 80 20 + 00 80 1310 21 + 00 10 80 860 580 22 + 00 100 10 23 + 00 1620 250 100 3850 24 + 00 100 25 + 00 2600
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Calculate the total operation time for this construction activity if the volume of soil to be removed is 8 cu.m. (considered 33% for bulking of materials.) The speed of dumptruck is 30 kph and travel distance (round trip) from the source to disposal area vice-versa is 6 km. The bucket size of excavator is 0.50 cu.m at 0.50 min loading time, tipping time is 4 mins. a. 15.18 minutes b. 22.02 minutes c. 25.32 minutes d. 30.00 minutes
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