What are the parameters in designingflexible pavements? *Your answerQ1: What is the estimated SN of thedata given? (1 Decimal point) *Your answer 1. Using the design chart below. Estimate the SN if W18=10x10^6, R=90%, So=0.35, Mr-10000Psi, ΔPSI=3.Use the chart below.TLOverallstandarddeviation, S.TLDesign serviceability loss, APSI50105.099.90.2991.00.40.6900.50.50.11.50.052.0807060502.53.09 87 6|5 4 31Eхample:6.5 5.5 4.5 3.52.51.5W18 = 5 x 106Design structural number, SNR = 95%S, = 0.35MR = 5000 Ib/in?APSI = 1.9Solution: SN = 5.0Figure 4.5 Design chart for flexible pavements based on the use of mean values for each input.

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Civil Engineering

What are the parameters in designing flexible pavements? *

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.24CTP

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Concept explainers

Pavement Management

Pavement management is the process of planning the maintenance and repair of a roadway network or other paved infrastructure to improve road conditions throughout the network. It is also used on runways and airports. Every highway superintendent undertakes walkway management. Traffic management includes the cost of living cycles in a systematic way of repairing minor and major roads and reconstruction projects. The needs of the entire network and budget estimates are considered before the projects are undertaken, as the cost of data collection can change significantly. Pavement management incorporates many of the features and functions required to maintain the quality of the paved material as well as to ensure that the entire road network can sustain itself at the required levels. Although pedestrian management involves the life cycle of commuting from planning to maintenance of any transport infrastructure, road asset management, and road maintenance planning is primarily aimed at road infrastructure.

Question

What are the parameters in designing
flexible pavements? *
Your answer
Q1: What is the estimated SN of the
data given? (1 Decimal point) *
Your answer

1. Using the design chart below. Estimate the SN if W18=10x10^6, R=90%, So=0.35, Mr-
10000Psi, ΔPSI=3.
Use the chart below.
TL
Overall
standard
deviation, S.
TL
Design serviceability loss, APSI
50
10
5.0
99.9
0.2
99
1.0
0.4
0.6
90
0.5
0.5
0.1
1.5
0.05
2.0
80
70
60
50
2.5
3.0
9 87 6|5 4 3
1
Eхample:
6.5 5.5 4.5 3.5
2.5
1.5
W18 = 5 x 106
Design structural number, SN
R = 95%
S, = 0.35
MR = 5000 Ib/in?
APSI = 1.9
Solution: SN = 5.0
Figure 4.5 Design chart for flexible pavements based on the use of mean values for each input.

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