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  2. Laminated veneer lumber - Wikipedia

    en.wikipedia.org/wiki/Laminated_veneer_lumber

    In 1971 "Micro=Lam LVL" was introduced. "Micro=Lam LVL" consisted of laminated veneer lumber billets 4 feet (1.2 m) wide, 3 + 1 ⁄ 2 inches (89 mm) thick, and 80 feet (24 m) long. Troutner proved the structural capabilities of his Micro=Lam product by building a house in Hagerman, Idaho, using beams made of Micro=Lam.

  3. Cross-laminated timber - Wikipedia

    en.wikipedia.org/wiki/Cross-laminated_timber

    It is classified as REI 90, indicating that it can retain the necessary load bearing capacity and meet integrity requirements for 90 minutes during a fire. [22] This leads to a better overall fire safety performance than unprotected steel, which loses its load bearing capacity after it is exposed to a fire for only 15 minutes. [23]

  4. Timber framing - Wikipedia

    en.wikipedia.org/wiki/Timber_framing

    Half-timbering refers to a structure with a frame of load-bearing timber, creating spaces between the timbers called panels (in German Gefach or Fächer = partitions), which are then filled-in with some kind of nonstructural material known as infill. The frame is often left exposed on the exterior of the building.

  5. Plywood - Wikipedia

    en.wikipedia.org/wiki/Plywood

    The sizes of the most commonly used plywood sheets are 4 by 8 feet (1,220 mm × 2,440 mm) [20] which was first used by the Portland Manufacturing Company, who developed modern veneer core plywood for the 1905 Portland World Fair. A common metric size for a sheet of plywood is 1200 × 2400 mm. 5 × 5 feet (1,500 × 1,500 mm) is also a common ...

  6. Board foot - Wikipedia

    en.wikipedia.org/wiki/Board_foot

    The board foot or board-foot is a unit of measurement for the volume of lumber in the United States and Canada [1].It equals the volume of a board that is one foot (30.5 cm) in length, one foot in width, and one inch (2.54 cm) in thickness, or exactly 2.359 737 216 liters.

  7. Bearing capacity - Wikipedia

    en.wikipedia.org/wiki/Bearing_capacity

    The bearing capacity of soil is the maximum average contact pressure between the foundation and the soil which should not produce shear failure in the soil. Ultimate bearing capacity is the theoretical maximum pressure which can be supported without failure; allowable bearing capacity is the ultimate bearing capacity divided by a factor of ...

  8. Engineered wood - Wikipedia

    en.wikipedia.org/wiki/Engineered_wood

    Large self-supporting wooden roof built for Expo 2000 in Hanover, Germany. Engineered wood, also called mass timber, composite wood, man-made wood, or manufactured board, includes a range of derivative wood products which are manufactured by binding or fixing the strands, particles, fibres, or veneers or boards of wood, together with adhesives, or other methods of fixation [1] to form ...

  9. Volume table - Wikipedia

    en.wikipedia.org/wiki/Volume_table

    One of the most common ways to calculate volume of a standing tree or of a log is by using the Doyle log rule. This formula uses the small end diameter of a log (D) (in inches) along with the log length (L) (in feet) to estimate the volume of a log. The Doyle log rule on average under estimates the volume of a log. See formula below:

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