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  2. Section modulus - Wikipedia

    en.wikipedia.org/wiki/Section_modulus

    Plastic section modulus and elastic section modulus can be related by a shape factor k: = = This is an indication of a section's capacity beyond the yield strength of material. The shape factor for a rectangular section is 1.5. [1]

  3. Four-point flexural test - Wikipedia

    en.wikipedia.org/wiki/Four-point_flexural_test

    The four-point flexural test provides values for the modulus of elasticity in ... where the loading span is 1/2 of the support span (rectangular cross section) ...

  4. Torsion constant - Wikipedia

    en.wikipedia.org/wiki/Torsion_constant

    In 1820, the French engineer A. Duleau derived analytically that the torsion constant of a beam is identical to the second moment of area normal to the section J zz, which has an exact analytic equation, by assuming that a plane section before twisting remains planar after twisting, and a diameter remains a straight line.

  5. Plastic moment - Wikipedia

    en.wikipedia.org/wiki/Plastic_Moment

    In structural engineering, the plastic moment (M p) is a property of a structural section. It is defined as the moment at which the entire cross section has reached its yield stress . This is theoretically the maximum bending moment that the section can resist – when this point is reached a plastic hinge is formed and any load beyond this ...

  6. Flexural modulus - Wikipedia

    en.wikipedia.org/wiki/Flexural_modulus

    Flexural modulus measurement For a 3-point test of a rectangular beam behaving as an isotropic linear material, where w and h are the width and height of the beam, I is the second moment of area of the beam's cross-section, L is the distance between the two outer supports, and d is the deflection due to the load F applied at the middle of the ...

  7. Timoshenko–Ehrenfest beam theory - Wikipedia

    en.wikipedia.org/wiki/Timoshenko–Ehrenfest_beam...

    is the cross section area. is the elastic modulus. is the shear modulus. is the second moment of area., called the Timoshenko shear coefficient, depends on the geometry. Normally, = / for a rectangular section.

  8. File:Section modulus-rectangular tube.svg - Wikipedia

    en.wikipedia.org/wiki/File:Section_modulus...

    File:Section modulus-rectangular tube.svg. Add languages. ... 1=The cross-section of a rectangular tube with dimensions defined to calculate the section modulus.}} ...

  9. Elastic properties of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Elastic_properties_of_the...

    Elastic properties describe the reversible deformation (elastic response) of a material to an applied stress.They are a subset of the material properties that provide a quantitative description of the characteristics of a material, like its strength.