Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area B Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 Residential Area Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Trailer Collector Road Using a land usage model, the predicted annual average daily traffic for road section AA and road section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded. Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For calculating design traffic, consider the traffic opening year as 2020. Proportion % 10 30 40 10 6 2 2 B Truck factor 1.1 0.2 3.2 5.0 53 3.5 5.1 6.0
Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area B Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 Residential Area Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Trailer Collector Road Using a land usage model, the predicted annual average daily traffic for road section AA and road section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded. Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For calculating design traffic, consider the traffic opening year as 2020. Proportion % 10 30 40 10 6 2 2 B Truck factor 1.1 0.2 3.2 5.0 53 3.5 5.1 6.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1.
Residential Area
Table 1: Traffic data for road section AA
Vehicle Type
Number of axles
2
2
2
3
3
4
4
B
Figure 1.1: Road network
Information available regarding the project:
The road needs to be designed for 20 years. The roads are two directional and have two lanes.
Information available regarding Traffic:
Bus
Pickup truck
Single unit truck
Rigid truck
Residential Area
Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data,
the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table
1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB
are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road
section AA and road section BB are 20% and 5%.
Articulated truck
Articulated truck
Using a land usage model, the predicted annual average daily traffic for road section AA and road
section BB in 2025 is 15000 and 8500 respectively. The growth in traffic is expected to be compounded.
Trailer
Table 2: Traffic data for road section BB
Collector Road
Calculate the design traffic in ESAL for which the road section AA and BB need to be designed. For
calculating design traffic, consider the traffic opening year as 2020.
B
Proportion %
10
30
40
10
6
2
2
Truck factor
1.1
0.2
3.2
5.0
3.5
5.1
6.0
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