A flexible two-way roadway (as shown below) has two lanes each way with a two-way annual average daily traffic (AADT) of 5,250 in 2017 and 5,460 in 2018. The traffic information can be found as listed in the table below (SN= 4, P= 2.5). The pavement is to be designed for a design life of 20 years starting from 2018. Determine the design ESAL in the driving lane. Two-way AADIT in 2017-5,250 Two-way AAD1T in 2018 3,460 Median Car type Passenger Car 7% Axle type Axle load (kips) 50 Single 12 Truckl 30 Tandem 38 Truck2 20 Triple 60

A flexible two-way roadway (as shown below) has two lanes each way with a two-way annual average daily traffic (AADT) of 5,250 in 2017 and 5,460 in 2018. The traffic information can be found as listed in the table below (SN= 4, P= 2.5). The pavement is to be designed for a design life of 20 years starting from 2018. Determine the design ESAL in the driving lane. Two-way AADIT in 2017-5,250 Two-way AAD1T in 2018 3,460 Median Car type Passenger Car 7% Axle type Axle load (kips) 50 Single 12 Truckl 30 Tandem 38 Truck2 20 Triple 60

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter19: Design Of Flexible Highway Pavements

Section: Chapter Questions

Problem 8P

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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

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A flexible two-way roadway (as shown below) has two lanes each way with a two-way annual average daily
traffic (AADT) of 5,250 in 2017 and 5,460 in 2018. The traffic information can be found as listed in the
table below (SN= 4, P= 2.5). The pavement is to be designed for a design life of 20 years starting from
2018. Determine the design ESAL in the driving lane.
Two-way AADIT in 2017-5,250
Two-way AAD1T in 2018 3,460
Median
Car type
Passenger Car
7%
Axle type
Axle load (kips)
50
Single
12
Truckl
30
Tandem
38
Truck2
20
Triple
60

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