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Which of the following is the equivalent axle load factor for a 160 kN axle… — Answer & Solution | Civexa

Transportation Engineering · Pavement Design

Pavement Design MCQ with answer and solution

Which of the following is the equivalent axle load factor for a 160 kN axle load? (Assume the standard axle load of 80 kN)

Solution

Concept

Fourth power law

Formula

EALF = (W/80)⁴

Step-by-step solution

1. (160/80)⁴ = 16.

Explanation

Damage varies as the fourth power of the axle load.

Why the other options are wrong

Others do not follow.

Shortcut

(W/Ws)⁴.

Correct answer: D) 16

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