A steel bridge rail is 400 meters long. During winter, the temperature drops to -40 C and goes back to 40 C during summer. What should be the specified allowance between the mating parts? Coefficient of expansion for steel is 11.7 x 10 -6 mm/mm –C.

A steel bridge rail is 400 meters long. During winter, the temperature drops to -40 C and goes back to 40 C during summer. What should be the specified allowance between the mating parts? Coefficient of expansion for steel is 11.7 x 10 -6 mm/mm –C.

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter22: Welding Joint Design And Welding Symbols

Section: Chapter Questions

Problem 4R: Sketch a V-grooved butt joint, and label all of the joint's dimensions.

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Concept explainers

Solidification of metals

The term solidification indicates the conversion of material from the state of liquid to the state of solid. The solid-state is more compact and rigid than liquid, and the solidification indicates the transformation of material from a random state to a more compact and crystalline form. The point at which dendrite formation in liquid starts taking place is referred to as the solidification point.

Question

A steel bridge rail is 400 meters long. During winter, the temperature drops
to -40 C and goes back to 40 C during summer. What should be the specified
allowance between the mating parts? Coefficient of expansion for steel is 11.7
x 10 -6 mm/mm –C.

Bridge
beam
Abutment
Expansion permitted
Typical "finger-type" expansion joint for bridges.

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