Q2: Results from a traffic survey required for a planned new flexible pavement construction revealed the following: Vehicle Type Annual Average Daily Flow 405 Wear Factor Buses and Coaches 2 axle rigid 3 axle rigid 3 axle articulated 4 axle rigid 4 axle articulated 5 axle articulated 2,500 200 100 210 1,053 985 1.3 0.34 1.7 0.65 3.0 2.6 3.5 Calculate the design traffic assuming a design period of 20 years, an average growth factor for all the vehicle classes of 1.25 and 75% of the vehicles will occupy the nearside lane.
Q2: Results from a traffic survey required for a planned new flexible pavement construction revealed the following: Vehicle Type Annual Average Daily Flow 405 Wear Factor Buses and Coaches 2 axle rigid 3 axle rigid 3 axle articulated 4 axle rigid 4 axle articulated 5 axle articulated 2,500 200 100 210 1,053 985 1.3 0.34 1.7 0.65 3.0 2.6 3.5 Calculate the design traffic assuming a design period of 20 years, an average growth factor for all the vehicle classes of 1.25 and 75% of the vehicles will occupy the nearside lane.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q2:
Results from a traffic survey required for a planned new flexible pavement construction
revealed the following:
Vehicle Type
Annual Average
Daily Flow
405
2,500
200
100
210
1,053
985
Wear Factor
1.3
Buses and Coaches
2 axle rigid
3 axle rigid
3 axle articulated
4 axle rigid
4 axle articulated
5 axle articulated
0.34
1.7
0.65
3.0
2.6
3.5
Calculate the design traffic assuming a design period of 20 years, an average growth factor
for all the vehicle classes of 1.25 and 75% of the vehicles will occupy the nearside lane.
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