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stlbld098
Joined: 28 Jun 2013
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 Posted: Fri Jun 28, 2013 6:21 am Post subject: threaded fasteners |
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The rolled steel "profile" or cross section of steel columns takes the shape of the letter "I". The two wide flanges of a column are thicker and wider than the flanges on a beam, to better withstand compressive stress in the structure. Square and round tubular sections of steel can also be used, often filled with concrete. Steel beams are connected to the columns with bolts and threaded fasteners, and historically connected by rivets. The central "web" of the steel I-beams is often wider than a column web to resist the higher bending moments that occur in beams.
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kevinpieterson
Joined: 28 Jun 2013
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| Posted: Fri Jun 28, 2013 11:01 am Post subject: |
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Do you ever misread a word that doesn’t make sense and then go back and realize that it’s a different word? A tutor can teach children how to re-read when something doesn’t make sense.
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