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    AISC - Bolts TCQ Up Side or Down

    Uploaded by

    Ahmed Lepda

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    © All Rights Reserved
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    AISC - Bolts TCQ Up Side or Down

    Uploaded by

    Ahmed Lepda
    9 views1 page

    Original Title

    AISC - Bolts TCQ up side or down

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    © All Rights Reserved
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    9 views1 page

    AISC - Bolts TCQ Up Side or Down

    Uploaded by

    Ahmed Lepda

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
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    https://www.aisc.org/steel-solutions-center/engineering-faqs/6.5.

    -bolt-installation/#9567

    6.5.5. WHEN A BOLT IS INSTALLED IN THE VERTICAL POSITION MUST


    THE HEAD OF THE BOLT POINT UPWARD?
    No. There is no requirement governing the entering direction of the bolt. Some people feel that bolts
    should be installed with the head up, so that a loosened bolt will not fall from the hole. However, a
    falling nut is nearly as dangerous as a falling bolt and a bolt without a nut should not be relied on to
    carry load.

    6.5.6 MUST NUTS BE INSTALLED SUCH THAT THE MARKINGS ARE


    VISIBLE AFTER INSTALLATION?
    Neither the AISC nor the RCSC Specification governs the orientation of the nut. It is unlikely that
    nuts would be systematically installed with the markings to the inside, so it is likely that at least some
    of the markings will be visible during inspection. Manufacturers have the option of making the nuts
    with either a double chamfer or with one washer face, but for both configurations either orientation is
    allowed during installation.

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