CAFT stands for which term?

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Study for the FHWA Bridge Inspection Techniques for NSTM exam. Prepare using flashcards, detailed explanations, and multiple-choice questions. Get equipped to excel in your certification!

Multiple Choice

CAFT stands for which term?

Explanation:
In fatigue analysis, the important idea is the threshold at which cracks stop growing under repeating loads. CAFT stands for Constant Amplitude Fatigue Threshold, the stress or strain amplitude at which, under a constant-amplitude cyclic load, fatigue crack growth either does not occur or is negligible over a practical number of cycles. This threshold is used to judge safe load ranges and to determine whether ongoing traffic could cause meaningful crack growth in a bridge member. The other options describe a test type or use nonstandard wording, so they don’t match the established meaning of the acronym.

In fatigue analysis, the important idea is the threshold at which cracks stop growing under repeating loads. CAFT stands for Constant Amplitude Fatigue Threshold, the stress or strain amplitude at which, under a constant-amplitude cyclic load, fatigue crack growth either does not occur or is negligible over a practical number of cycles. This threshold is used to judge safe load ranges and to determine whether ongoing traffic could cause meaningful crack growth in a bridge member. The other options describe a test type or use nonstandard wording, so they don’t match the established meaning of the acronym.

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