al fired power plant is served by 25 trucks. When loaded, each truck consists of one single-axle of 14,000 pounds (the front axle), two tandem – axles of 32,000 pounds each (the middle axles), and one single-axle of 22,000 pounds (the back axle). Each truck makes 25 daily trips. The weights on the same axles when the truck is empty and leaving the power plant are 10,000, 12,000, and 8,000. A two – lane road is to be designed to ser e the power plant to last a period of 10 years. What is the design ESALS for the incoming traffic b. What is the design ESALS for the outgoing traffic. а. Single Tandem kN Ib Axles Axles 4.45 1,000 0.00002 8.9 2,000 0.00018 17.8 4,000 0.00209 22.25 5,000 0.00500 26.7 6,000 0.01043 35.6 8,000 0.0343 44.5 10,000 0.0877 0.00688 53.4 12,000 0.189 0.0144 62.3 14,000 0.360 0.0270 66.7 15,000 0.478 0.0360 71.2 16,000 0.623 0.0472 80.0 18,000 1.000 0.0773 89.0 20,000 1.51 0.1206 97.8 22,000 2.18 0.180 106.8 24,000 3.03 0.260 111.2 25,000 3.53 0.308 115.6 26,000 4.09 0.364 124.5 28,000 5.39 0.495 133.5 30,000 6.97 0.658 142.3 32,000 8.88 0.857

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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al fired power plant is served by 25 trucks. When loaded, each truck
consists of one single-axle of 14,000 pounds (the front axle), two tandem – axles of 32,000
pounds each (the middle axles), and one single-axle of 22,000 pounds (the back axle). Each
truck makes 25 daily trips. The weights on the same axles when the truck is empty and leaving
the power plant are 10,000, 12,000, and 8,000. A two – lane road is to be designed to ser e the
power plant to last a period of 10 years.
What is the design ESALS for the incoming traffic
b. What is the design ESALS for the outgoing traffic.
а.
Single
Tandem
kN
Ib
Axles
Axles
4.45
1,000
0.00002
8.9
2,000
0.00018
17.8
4,000
0.00209
22.25
5,000
0.00500
26.7
6,000
0.01043
35.6
8,000
0.0343
44.5
10,000
0.0877
0.00688
53.4
12,000
0.189
0.0144
62.3
14,000
0.360
0.0270
66.7
15,000
0.478
0.0360
71.2
16,000
0.623
0.0472
80.0
18,000
1.000
0.0773
89.0
20,000
1.51
0.1206
97.8
22,000
2.18
0.180
106.8
24,000
3.03
0.260
111.2
25,000
3.53
0.308
115.6
26,000
4.09
0.364
124.5
28,000
5.39
0.495
133.5
30,000
6.97
0.658
142.3
32,000
8.88
0.857
Transcribed Image Text:al fired power plant is served by 25 trucks. When loaded, each truck consists of one single-axle of 14,000 pounds (the front axle), two tandem – axles of 32,000 pounds each (the middle axles), and one single-axle of 22,000 pounds (the back axle). Each truck makes 25 daily trips. The weights on the same axles when the truck is empty and leaving the power plant are 10,000, 12,000, and 8,000. A two – lane road is to be designed to ser e the power plant to last a period of 10 years. What is the design ESALS for the incoming traffic b. What is the design ESALS for the outgoing traffic. а. Single Tandem kN Ib Axles Axles 4.45 1,000 0.00002 8.9 2,000 0.00018 17.8 4,000 0.00209 22.25 5,000 0.00500 26.7 6,000 0.01043 35.6 8,000 0.0343 44.5 10,000 0.0877 0.00688 53.4 12,000 0.189 0.0144 62.3 14,000 0.360 0.0270 66.7 15,000 0.478 0.0360 71.2 16,000 0.623 0.0472 80.0 18,000 1.000 0.0773 89.0 20,000 1.51 0.1206 97.8 22,000 2.18 0.180 106.8 24,000 3.03 0.260 111.2 25,000 3.53 0.308 115.6 26,000 4.09 0.364 124.5 28,000 5.39 0.495 133.5 30,000 6.97 0.658 142.3 32,000 8.88 0.857
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