Ex) with the following information: • Net weight of scraper is 41906 kg • The soil is muddy sandy soil weighted 32166 kg • Stack size of the scraper is 24.5 m3 • Swelling percentage is 33% Rolling Resistance is 40 kg/ton • Fixed time is 3 min. • Operating factor is 50 min/hr The distance of transferring is 1200 m as the following: Distance (m) Grade % Speed (km/hr) Movement direction Going when the equipment is loaded 1 360 +4 15 2 420 +2 17.38 3 420 -2 42 4 420 +2 33.6 5 420 -2 42 6 360 -4 36 returning when the equipment is empty on the same road Find the following: 1. The required power for R.R and grade while going and return. 2. The transferred soil for one day (productivity per one day) if work is 8 hours per day. 3. If it is required to transfer 16500 m3 within 5 days, how many scrapers are required to finish the work? E
Ex) with the following information: • Net weight of scraper is 41906 kg • The soil is muddy sandy soil weighted 32166 kg • Stack size of the scraper is 24.5 m3 • Swelling percentage is 33% Rolling Resistance is 40 kg/ton • Fixed time is 3 min. • Operating factor is 50 min/hr The distance of transferring is 1200 m as the following: Distance (m) Grade % Speed (km/hr) Movement direction Going when the equipment is loaded 1 360 +4 15 2 420 +2 17.38 3 420 -2 42 4 420 +2 33.6 5 420 -2 42 6 360 -4 36 returning when the equipment is empty on the same road Find the following: 1. The required power for R.R and grade while going and return. 2. The transferred soil for one day (productivity per one day) if work is 8 hours per day. 3. If it is required to transfer 16500 m3 within 5 days, how many scrapers are required to finish the work? E
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
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Transcribed Image Text:Ex) with the following information:
• Net weight of scraper is 41906 kg
• The soil is muddy sandy soil weighted 32166 kg
• Stack size of the scraper is 24.5 m3
•
Swelling percentage is 33%
Rolling Resistance is 40 kg/ton
• Fixed time is 3 min.
•
Operating factor is 50 min/hr
The distance of transferring is 1200 m as the following:
Distance (m) Grade % Speed (km/hr) Movement direction
Going when the equipment is loaded
1 360
+4
15
2 420
+2
17.38
3 420
-2
42
4 420
+2
33.6
5 420
-2
42
6 360
-4
36
returning when the equipment is empty on the same road
Find the following:
1. The required power for R.R and grade while going and return.
2. The transferred soil for one day (productivity per one day) if work is 8 hours per day.
3. If it is required to transfer 16500 m3 within 5 days, how many scrapers are required to finish
the work?
E
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