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  2. Laminated veneer lumber - Wikipedia

    en.wikipedia.org/wiki/Laminated_veneer_lumber

    LVL is typically rated by the manufacturer for elastic modulus and allowable bending stress. Common elastic moduli are 12, 13 and 14 GPa (1,700,000, 1,900,000 and 2,000,000 psi), and common allowable bending stress values are 19 and 21 MPa (2,800 and 3,000 psi).

  3. Permissible stress design - Wikipedia

    en.wikipedia.org/wiki/Permissible_stress_design

    Permissible stress design is a design philosophy used by mechanical engineers and civil engineers. The civil designer ensures that the stresses developed in a structure due to service loads do not exceed the elastic limit. This limit is usually determined by ensuring that stresses remain within the limits through the use of factors of safety.

  4. Flexural strength - Wikipedia

    en.wikipedia.org/wiki/Flexural_strength

    The flexural strength is stress at failure in bending. It is equal to or slightly larger than the failure stress in tension. Flexural strength, also known as modulus of rupture, or bend strength, or transverse rupture strength is a material property, defined as the stress in a material just before it yields in a flexure test. [1]

  5. Plywood - Wikipedia

    en.wikipedia.org/wiki/Plywood

    Tropical plywood is superior to softwood plywood due to its density, strength, evenness of layers, and high quality. It is usually sold at a premium in many markets if manufactured with high standards. Tropical plywood is widely used in the UK, Japan, United States, Taiwan, Korea, Dubai, and other countries worldwide.

  6. Flexural modulus - Wikipedia

    en.wikipedia.org/wiki/Flexural_modulus

    In mechanics, the flexural modulus or bending modulus [1] is an intensive property that is computed as the ratio of stress to strain in flexural deformation, or the tendency for a material to resist bending. It is determined from the slope of a stress-strain curve produced by a flexural test (such as the ASTM D790), and uses units of force per ...

  7. Strength of materials - Wikipedia

    en.wikipedia.org/wiki/Strength_of_materials

    The tensile strength can be quoted as either true stress or engineering stress, but engineering stress is the most commonly used. Fatigue strength is a more complex measure of the strength of a material that considers several loading episodes in the service period of an object, [ 6 ] and is usually more difficult to assess than the static ...

  8. Section modulus - Wikipedia

    en.wikipedia.org/wiki/Section_modulus

    The elastic section modulus is used to calculate a cross-section's resistance to bending within the elastic range, where stress and strain are proportional. The plastic section modulus is used to calculate a cross-section's capacity to resist bending after yielding has occurred across the entire section. It is used for determining the plastic ...

  9. Yield (engineering) - Wikipedia

    en.wikipedia.org/wiki/Yield_(engineering)

    The yield strength or yield stress is a material property and is the stress corresponding to the yield point at which the material begins to deform plastically. The yield strength is often used to determine the maximum allowable load in a mechanical component, since it represents the upper limit to forces that can be applied without producing ...

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