Question

what is meant by 3 dimensional alignment ​

Answer 1

3 DIMENSIONAL ALIGNMENT

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Answer 2

Answer:

alignment combinations were used in the data col- lection process to ensure that the results represented most practical situations. The VDM was used to evaluate truck stability on different simple horizontal curves, combined with different types of vertical alignments (upgrade, down- grade, crest curve, and sag curve) as shown For the test alignments, the input variables included maximum sup- erelevation, horizontal deflection angle, maximum vertical grades, minimum length of vertical curves, and maximum rate of change of grade for vertical ...

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