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  2. Hankinson's equation - Wikipedia

    en.wikipedia.org/wiki/Hankinson's_equation

    Hankinson's equation (also called Hankinson's formula or Hankinson's criterion) [1] is a mathematical relationship for predicting the off-axis uniaxial compressive strength of wood. The formula can also be used to compute the fiber stress or the stress wave velocity at the elastic limit as a function of grain angle in wood.

  3. Cross-laminated timber - Wikipedia

    en.wikipedia.org/wiki/Cross-laminated_timber

    Mechanical properties, particularly compressive strength, are key factors to consider when designing and constructing CLT panels. The number of layers in a CLT panel has a direct impact on its compressive strength, with more layers generally resulting in higher strength.

  4. Compressive strength - Wikipedia

    en.wikipedia.org/wiki/Compressive_strength

    As per Indian codes, compressive strength of concrete is defined as: Field cured concrete in cubic steel molds (Greece) The compressive strength of concrete is given in terms of the characteristic compressive strength of 150 mm size cubes tested after 28 days (fck). In field, compressive strength tests are also conducted at interim duration i.e ...

  5. Parallel-strand lumber - Wikipedia

    en.wikipedia.org/wiki/Parallel-strand_lumber

    [citation needed] PSL can be made from any wood species, but Douglas fir, southern pine, western hemlock, and yellow poplar are commonly chosen [9] because of their superior strength. The product is manufactured as a 12-by-12-inch (300 mm × 300 mm) or 12-by-18-inch (300 mm × 460 mm) billet in a rectangular cross-section, which is then ...

  6. Timber framing - Wikipedia

    en.wikipedia.org/wiki/Timber_framing

    Timber design or wood design is a subcategory of structural engineering that focuses on the engineering of wood structures. Timber is classified by tree species (e.g., southern pine, douglas fir, etc.) and its strength is graded using numerous coefficients that correspond to the number of knots, the moisture content, the temperature, the grain ...

  7. Plank (wood) - Wikipedia

    en.wikipedia.org/wiki/Plank_(wood)

    A plank used in a building as a horizontal supporting member that runs between foundations, walls, or beams to support a ceiling or floor is called a joist. The plank was the basis of maritime transport : wood (except some dense hardwoods ) floats on water , and abundant forests meant wooden logs could be easily obtained and processed, making ...