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  2. Plastic hinge - Wikipedia

    en.wikipedia.org/wiki/Plastic_hinge

    While this assumption is sufficient for limit state analysis, finite element formulations are available to account for the spread of plasticity along plastic hinge lengths. [4] By inserting a plastic hinge at a plastic limit load into a statically determinate beam, a kinematic mechanism permitting an unbounded displacement of the system can be ...

  3. Plastic bending - Wikipedia

    en.wikipedia.org/wiki/Plastic_bending

    Plastic Bending Stress Distribution. Plastic bending [1] is a nonlinear behavior particular to members made of ductile materials that frequently achieve much greater ultimate bending strength than indicated by a linear elastic bending analysis. In both the plastic and elastic bending analyses of a straight beam, it is assumed that the strain ...

  4. Lumped damage mechanics - Wikipedia

    en.wikipedia.org/wiki/Lumped_damage_mechanics

    In reinforced concrete structures, the damage state variable quantifies the crack density in the plastic hinge zone; [1] in unreinforced concrete components and steel beams, it is a dimensionless measure of the crack surface; [2] in tubular steel elements, the damage variable measures the degree of local buckling [3] The LDM evolution laws can ...

  5. Living hinge - Wikipedia

    en.wikipedia.org/wiki/Living_hinge

    A living hinge or integral hinge is a thin flexible hinge (flexure bearing).It is made from the same material as the two rigid pieces it connects. It is typically thinned or cut to allow the rigid pieces to bend along the line of the hinge.

  6. Moment redistribution - Wikipedia

    en.wikipedia.org/wiki/Moment_redistribution

    Further increment in load does not increase the moment at the points where the plastic hinges are formed. The increased load increases the moment in the less stressed sections of the beam; hence due to this, further plastic hinges are formed. This process of shift of application of moment in the beam is termed as moment redistribution in a beam ...

  7. 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 ...

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  9. Flexure - Wikipedia

    en.wikipedia.org/wiki/Flexure

    Living hinge: Flexure which acts as a hinge. Preferred for their simplicity, as they can be included as a feature in a single piece of material (as in a Tic Tac box's lid). Leaf spring: Leaf Springs are commonly used in vehicle suspensions. Leaf springs are an example of a flexure system with one compliant degree of freedom.

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