Calculate the design thickness in mm (rounded to the nearest tens) at the edges of a rigid pavement with dowels if the Allowable tensile strength of concrete = 3.1 MPa Wheel load = 120 kN 240 250 280 300

Calculate the design thickness in mm (rounded to the nearest tens) at the edges of a rigid pavement with dowels if the Allowable tensile strength of concrete = 3.1 MPa Wheel load = 120 kN 240 250 280 300

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter20: Design Of Rigid Pavements

Section: Chapter Questions

Problem 12P

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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

Calculate the design thickness in mm (rounded to the nearest tens) at the edges of a rigid pavement with dowels if the:
Allowable tensile strength of concrete = 3.1 MPa
Wheel load = 120 kN
240
250
C 280
300

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