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drilling punching

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Jsteel

Jsteel

Civil/Environmental
Joined
Apr 24, 2006
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CA
How are holes made in a beam? What are the limitations?
 
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Hg


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The thickness of the steel is the smallest hole you should punch (rule of thumb). Drilled holes have no limit. Making a square hole with a drill is tough.
 
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What's the application?

There are slightly different rules for buildings and for bridges.

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