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  2. Shelf angle - Wikipedia

    en.wikipedia.org/wiki/Shelf_angle

    The only way to support the weight of this veneer across a wide opening is by providing a shelf angle on which the masonry bears. [1] The shelf angle, in turn, is attached to major elements of the building structure such as floor beams or structural columns. Shelf angles are in reality a horizontal expansion joint which allows growth of the ...

  3. Rail profile - Wikipedia

    en.wikipedia.org/wiki/Rail_profile

    Weights are measured in pounds per yard (imperial units in Canada, the United Kingdom and United States) and kilograms per metre in mainland Europe and Australia). 1 kg/m = 2.0159 lb/yd. Commonly, in rail terminology pound is a metonym for the expression pounds per yard and hence a 132–pound rail means a rail of 132 pounds per yard.

  4. ASTM A500 - Wikipedia

    en.wikipedia.org/wiki/ASTM_A500

    ASTM A500 is a standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly specified in the US for hollow structural sections, but the more stringent CSA G40.21 is preferred in Canada. Another related standard is ASTM A501, which is a ...

  5. Railway track - Wikipedia

    en.wikipedia.org/wiki/Railway_track

    In North America and the United Kingdom, rail is graded in pounds per yard (usually shown as pound or lb), so 130-pound rail would weigh 130 lb/yd (64 kg/m). The usual range is 115 to 141 lb/yd (57 to 70 kg/m). In Europe, rail is graded in kilograms per metre and the usual range is 40 to 60 kg/m (81 to 121 lb/yd).

  6. Structural steel - Wikipedia

    en.wikipedia.org/wiki/Structural_steel

    The terms angle iron, ... 275 or 355 denotes the yield strength in newtons per square ... With steel being sold by weight, the structural designer must specify the ...

  7. Deflection (engineering) - Wikipedia

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

    In structural engineering, deflection is the degree to which a part of a long structural element (such as beam) is deformed laterally (in the direction transverse to its longitudinal axis) under a load. It may be quantified in terms of an angle (angular displacement) or a distance (linear displacement).

  8. Double tee - Wikipedia

    en.wikipedia.org/wiki/Double_tee

    They designed the wings to expand the structural channel in order to cover more area at a lower cost. [2] In 1951, Harry Edwards and Paul Zia designed a 4-foot (1.2 m) wide prestressed double tee section. Non-prestressed double tees were constructed in Miami in 1952 followed by prestressed double tees in 1953. Separately, engineers of ...

  9. I-beam - Wikipedia

    en.wikipedia.org/wiki/I-beam

    In the United States, steel I-beams are commonly specified using the depth and weight of the beam. For example, a "W10x22" beam is approximately 10 in (254 mm) in depth with a nominal height of the I-beam from the outer face of one flange to the outer face of the other flange, and weighs 22 lb/ft (33 kg/m).