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  2. 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]

  3. Lumber - Wikipedia

    en.wikipedia.org/wiki/Lumber

    As previously noted, less wood is needed to produce a given finished size than when standards called for the green lumber to be the full nominal dimension. However, even the dimensions for finished lumber of a given nominal size have changed over time. In 1910, a typical finished 1-inch (25 mm) board was 13 ⁄ 16 in (21 mm). In 1928, that was ...

  4. 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 ...

  5. Laminated veneer lumber - Wikipedia

    en.wikipedia.org/wiki/Laminated_veneer_lumber

    While plywood became widespread by the early 20th century, the invention of LVL was not until the 1980s after the invention of oriented strand board. [3] The American Wood Council's National Design Specification for Wood Construction is generally updated on a 3- to 5-year cycle. The 1991 release is the first release which mentions LVL.

  6. 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 ...

  7. 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. [4]

  8. Building material - Wikipedia

    en.wikipedia.org/wiki/Building_material

    hardwood plywood & veneer 15,190 35.3 lime 1,920 4.5 mineral wool insulation 12,600 29.3 primary aluminum 80,170 186.5 softwood plywood & veneer 3,970 9.2 stone 1,430 3.3 virgin steel 10,390 24.2 wood lumber 2,700 6.3

  9. Pallet - Wikipedia

    en.wikipedia.org/wiki/Pallet

    A standard wooden pallet (48 in × 40 in × 6 in or 1,219 mm × 1,016 mm × 152 mm) with a static load bearing capacity of 3 short tons (2.7 long tons; 2.7 t) and a 1-short-ton (0.89-long-ton; 0.91 t) dynamic capacity, will weigh approximately 33 to 48 lb (15 to 22 kg)

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