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ตารางที่ 5-8
Axle or Operation Equivalent Equivalent
gross load factor Operation Operation
lbs* Per Day Per Day
Single axle
1,000 0.00016 X 500 = 0.08
1,500 0.0003 X 400 = 0.12
3,000 0.0012 X 300 = 0.36
4,000 0.0028 X 100 = 0.28
10,000 0.070 X 50 = 3.50
20,000 1.80 X 20 = 36.00
40.34
Tandem axle
5,000 0.0031 X 20 = 0.062
10,000 0.024 X 100 = 2.400
20,000 0.360 X 200 = 72.00
30,000 2.30 X 50 = 115.00
189.462
Tracked
Vehicles
10,000 0.05 X 25 = 1.25
32,000 2.70 X 15 = 40.50
80,000 480.00 X 10 = 4,800.00
4,841.75
Total equivalent operations per day = 5071.55
* Axle load apply to wheeled vehicles, gross load apply to tracked vehicles and
forklift
trucks. Values read from fig.5 - 33 and fig.5 - 34 Equivalent operations ในอายุ 2 ปี = 365 วัน x
2 ปี x 5071 Total equivalent operations = 3,701,830 or 3.7 x 10 6
