13. Refer to Figure 3.1 attached. In the flexible pavement design example illustrated in the figure, what would be the required structural number if designing for W18=2,000,000 instead?a. 1.5b. 4.3c. 6.1d. 7.3 Reliability, R(%)99.999-908 8 8 8OverallStandard Deviation, SoتستجيبةL50105.0O1.0nWWM TUKYME MUMM-¯M01Estimated Total 18-kip EquivalentSingle Axle Lood Applications, W. (millions)MTLExample:W5x10Effective Roadbod SoilResilion! Modulus. Ma (KSI)TTVIMESHAR = 95%$ = 0.35M = 5000 psiAPSI = 1.9Solution: SN = 5.0402010Design Serviceability Loss, APSIGS1.01.52013.02Design Structural Number, SNFigure 3.1. Design Chart for Flexible Pavements Based on Using Mean Values for Each Input

Given: Estimated total 18 kips equivalent single axle load application, W18 = 2,000,000 To find: The…

13. Refer to Figure 3.1 attached. In the flexible pavement design example illustrated in the figure, what would be the required structural number if designing for W18=2,000,000 instead? a. 1.5 b. 4.3 c. 6.1 d. 7.3

13. Refer to Figure 3.1 attached. In the flexible pavement design example illustrated in the figure, what would be the required structural number if designing for W18=2,000,000 instead? a. 1.5 b. 4.3 c. 6.1 d. 7.3

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Design of pavements

Pavement is a structure that is made up of different layers such as sub-base course layer, base course layer, binder course, and a surface course formed with different materials such as gravel, above the subgrade soil constructed to act as a path or carriageway enabling the movement of vehicles. The surface of the pavement should possess characteristics such as adequate friction, light reflection, and drainage. The pavements are classified based on structural design into rigid pavements, flexible pavements, composite pavements, and unpaved pavements. The process of determining a suitable pavement type, its constituent layers, and its thickness is called pavement design.

Question

13. Refer to Figure 3.1 attached. In the flexible pavement design example illustrated in the figure, what
would be the required structural number if designing for W18=2,000,000 instead?
a. 1.5
b. 4.3
c. 6.1
d. 7.3

Reliability, R(%)
99.9
99
-90
8 8 8 8
Overall
Standard Deviation, So
تستجيبة
L
50
10
5.0
O
1.0
n
WWM TUKYME MUMM-¯M
01
Estimated Total 18-kip Equivalent
Single Axle Lood Applications, W. (millions)
M
TL
Example:
W
5x10
Effective Roadbod Soil
Resilion! Modulus. Ma (KSI)
TTVIMESHA
R = 95%
$ = 0.35
M = 5000 psi
APSI = 1.9
Solution: SN = 5.0
40
20
10
Design Serviceability Loss, APSI
GS
1.0
1.5
2013.0
2
Design Structural Number, SN
Figure 3.1. Design Chart for Flexible Pavements Based on Using Mean Values for Each Input

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