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    Worked Example: No. Sheet of Rev

    Uploaded by

    lyhalim
    The document provides a worked example to check the ability of a 20.7 x 20.3 x 5.2 UC steel column to withstand a compressive load of 1150kN over an unsupported height of 3.6m. It gives the geometric and material properties of the column, which is grade S275 steel. It then checks that the cross-section classification is not Class 4, which would make it slender, by comparing the ratios of outstanding flange width and web depth to thickness against the limits in Eurocode 3. The ratios are found to be within the limits, so the section is not classified as slender.

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    Worked Example: No. Sheet of Rev

    Uploaded by

    lyhalim
    5 views1 page
    The document provides a worked example to check the ability of a 20.7 x 20.3 x 5.2 UC steel column to withstand a compressive load of 1150kN over an unsupported height of 3.6m. It gives the geometric and material properties of the column, which is grade S275 steel. It then checks that the cross-section classification is not Class 4, which would make it slender, by comparing the ratios of outstanding flange width and web depth to thickness against the limits in Eurocode 3. The ratios are found to be within the limits, so the section is not classified as slender.

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    The document provides a worked example to check the ability of a 20.7 x 20.3 x 5.2 UC steel column to withstand a compressive load of 1150kN over an unsupported height of 3.6m. It gives the geometric and material properties of the column, which is grade S275 steel. It then checks that the cross-section classification is not Class 4, which would make it slender, by comparing the ratios of outstanding flange width and web depth to thickness against the limits in Eurocode 3. The ratios are found to be within the limits, so the section is not classified as slender.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    5 views1 page

    Worked Example: No. Sheet of Rev

    Uploaded by

    lyhalim
    The document provides a worked example to check the ability of a 20.7 x 20.3 x 5.2 UC steel column to withstand a compressive load of 1150kN over an unsupported height of 3.6m. It gives the geometric and material properties of the column, which is grade S275 steel. It then checks that the cross-section classification is not Class 4, which would make it slender, by comparing the ratios of outstanding flange width and web depth to thickness against the limits in Eurocode 3. The ratios are found to be within the limits, so the section is not classified as slender.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
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    498

    Worked example
    The S t e ~ l Construction

    Job No.
    Subject

    Sheet

    of

    Rev

    Institute

    Silwood Park, Ascot, Berks SL5 7QN Telephone: (01344) 623345 Fax: (01344) 622944

    Compression Members

    Client

    I Made bv

    CALCULATION SHEET

    LG
    DAN

    I Date

    Checked by

    2010

    Date

    2010

    Compression members Rolled Universal Column design Problem Check the ability o,f a 20.7 x20.3 x 5 2 UC in grade S275 steel to withstand a design axial compressive load of 1150kN over an unsupported height of 3.6m assuming that both ends of the member are pinned. Design to BS E N 199.3-1-1. The problem is as shown in the sketch below:

    Partial factors:
    7/uo = 1.0; 7/ui = 1.0

    LIK N A to SS E N 19931-1

    Geometric properties: A = 66.3 cm2 = 66.Z0mm2; i2 = 5.18 c m = 51.8mm; ti = 12.5mm; ct/tj = 7.04; c,Jt,+ = 20.4

    iteel Suilding Vesign: %sign Data


    SS E N
    '0025-2

    Material properties: Yield strength f , =275N/mm2 since ti I 1 6 m m Check cross-section class@cation under pure compression: Need only check that section is not Class 4 (slender) For outstand j a n g e cr/tie I 1 4 For web c,/t,& I42
    = 0.92

    SS E N 1 99.3- I - I ruble 5.2

    275

    Actual ct/tF = 7.04/0.92 = 7.62; within limit Actual c,/t,E = 20.4/0.92 = 20.2; within limit : . Section is not Class 4

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