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Steel Structures II Lecture 8: Erection of Steel Bridges

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Steel Structures II Lecture 8: Erection of Steel Bridges

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Questions and Answers

What equipment is required for the erection of steel bridges by crane?

Specialized concrete mixers

Advanced welding machines

Temporary supports

Heavy lifting equipment (correct)

Why is the method of erection by crane only suitable for bridges relatively close to the ground?

It reduces the need for temporary supports

It requires good accessibility around and on the site (correct)

It allows for flexible construction methods

It minimizes the impact of temperature changes

What happens to the piers during the erection process of a beam bridge with a longitudinal structural form?

They are reinforced with additional material

They are dismantled temporarily

They experience significant stressing (correct)

They are completely unaffected

What can a variation in temperature during the erection process cause for a bridge constructed by crane?

<p>Lengthen or shorten the beams and drag any piers</p> Signup and view all the answers

What is required to resist the local forces introduced during handling and transportation of steel elements in crane erection?

<p>The elements must be able to resist local forces</p> Signup and view all the answers

Steel Structures II Lecture 8: Erection of Steel Bridges

Choose a study mode

Podcast

Questions and Answers

What equipment is required for the erection of steel bridges by crane?

Why is the method of erection by crane only suitable for bridges relatively close to the ground?

What happens to the piers during the erection process of a beam bridge with a longitudinal structural form?

What can a variation in temperature during the erection process cause for a bridge constructed by crane?

What is required to resist the local forces introduced during handling and transportation of steel elements in crane erection?

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