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  2. Building code - Wikipedia

    en.wikipedia.org/wiki/Building_code

    A building code (also building control or building regulations) is a set of rules that specify the standards for construction objects such as buildings and non-building structures. Buildings must conform to the code to obtain planning permission, usually from a local council.

  3. Structural clay tile - Wikipedia

    en.wikipedia.org/wiki/Structural_clay_tile

    New building code requirements for fireproofing aided in the use and proliferation of structural clay tile in skyscrapers and other large buildings. [3] After 1910, manufacturers began to test and develop stronger and more complex structural clay tile systems that worked better in compression.

  4. Deck (building) - Wikipedia

    en.wikipedia.org/wiki/Deck_(building)

    Most U.S. commercial building codes require a 1,100 mm (42 in) guardrail on decks, and 910 or 1,070 mm (36 or 42 in) for a residential code depending on the state. Typical railing assemblies must meet structural strength requirements of 9.6 kPa (200 lbf/sq ft). In short, decks are complex load-bearing structures that most often require ...

  5. Cold-formed steel - Wikipedia

    en.wikipedia.org/wiki/Cold-formed_steel

    When thickness less than or equal to 3/16" (4.76mm): The various possible welds in cold formed steel sections, where the thickness of the thinnest element in the connection is 3/16" or less are as follows Groove Welds in Butt joints; Arc Spot Welds; Arc Seam Welds; Fillet Welds; Flare Groove Welds; 2.When thickness greater than or equal to 3/16 ...

  6. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    The design begins by determining the requirements of the concrete. These requirements take into consideration the weather conditions that the concrete will be exposed to in service, and the required design strength. The compressive strength of a concrete is determined by taking standard molded, standard-cured cylinder samples.

  7. Roof pitch - Wikipedia

    en.wikipedia.org/wiki/Roof_pitch

    Roof pitch is the steepness of a roof expressed as a ratio of inch(es) rise per horizontal foot (or their metric equivalent), or as the angle in degrees its surface deviates from the horizontal. A flat roof has a pitch of zero in either instance; all other roofs are pitched .

  8. Domestic roof construction - Wikipedia

    en.wikipedia.org/wiki/Domestic_roof_construction

    A more recent design is the installation of a roof deck with foil-backed foam along with a second deck that is air-gapped away from the foil-backed foam to allow air to flow vertically to a ventilation outlet at the peak of the roof—it is a double-deck design with an air gap. This design improves efficiency. [13]

  9. Composite material - Wikipedia

    en.wikipedia.org/wiki/Composite_material

    The core material is normally low strength material, but its higher thickness provides the sandwich composite with high bending stiffness with overall low density. [34] [35] Wood is a naturally occurring composite comprising cellulose fibres in a lignin and hemicellulose matrix. [36]

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