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  2. Euler's critical load - Wikipedia

    en.wikipedia.org/wiki/Euler's_critical_load

    The critical load is the greatest load that will not cause lateral deflection (buckling). For loads greater than the critical load, the column will deflect laterally. The critical load puts the column in a state of unstable equilibrium. A load beyond the critical load causes the column to fail by buckling. As the load is increased beyond the ...

  3. Johnson's parabolic formula - Wikipedia

    en.wikipedia.org/wiki/Johnson's_parabolic_formula

    In structural engineering, Johnson's parabolic formula is an empirically based equation for calculating the critical buckling stress of a column. The formula is based on experimental results by J. B. Johnson from around 1900 as an alternative to Euler's critical load formula under low slenderness ratio (the ratio of radius of gyration to ...

  4. Buckling - Wikipedia

    en.wikipedia.org/wiki/Buckling

    This results in a non-linear behaviour in the load carrying behaviour of these details. The ratio of the actual load to the load at which buckling occurs is known as the buckling ratio of a sheet. [1] High buckling ratios may lead to excessive wrinkling of the sheets which may then fail through yielding of the wrinkles. Although they may buckle ...

  5. Wood method - Wikipedia

    en.wikipedia.org/wiki/Wood_method

    The Wood method, also known as the Merchant–Rankine–Wood method, is a structural analysis method which was developed to determine estimates for the effective buckling length of a compressed member included in a building frames, both in sway and a non-sway buckling modes. [1] [2] It is named after R. H. Wood.

  6. Southwell plot - Wikipedia

    en.wikipedia.org/wiki/Southwell_plot

    Southwell plots v/P against v and obtains P 1 =P critical =P c from the slope of the predicted straight line graph. [3] This analysis was done for a specific point on a simply supported beam, but the concept can be extended to arbitrary structures. With any problem whose mathematical analog is the same fourth order ordinary differential ...

  7. Euler–Bernoulli beam theory - Wikipedia

    en.wikipedia.org/wiki/Euler–Bernoulli_beam_theory

    The curve () describes the deflection of the beam in the direction at some position (recall that the beam is modeled as a one-dimensional object). is a distributed load, in other words a force per unit length (analogous to pressure being a force per area); it may be a function of , , or other variables.

  8. Who needs football? This year's SEC in the conversation for ...

    www.aol.com/sports/needs-football-years-sec...

    The SEC’s surplus of football money became an even bigger difference maker as the transfer portal produced unfettered free agency and the loosening of NIL rules turned recruiting battles into ...

  9. Column - Wikipedia

    en.wikipedia.org/wiki/Column

    When the critical stress, F cr (F cr =P cr /A, where A = cross-sectional area of the column), is greater than the proportional limit of the material, the column is experiencing inelastic buckling. Since at this stress the slope of the material's stress-strain curve, E t (called the tangent modulus ), is smaller than that below the proportional ...