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  2. Stone (unit) - Wikipedia

    en.wikipedia.org/wiki/Stone_(unit)

    The stone or stone weight (abbreviation: st.) [1] is an English and British imperial unit of mass equal to 14 avoirdupois pounds (6.35 kg). [ nb 1 ] The stone continues in customary use in the United Kingdom and Ireland for body weight .

  3. Sound transmission class - Wikipedia

    en.wikipedia.org/wiki/Sound_transmission_class

    4-inch (100 mm) hollow CMU (concrete masonry unit) [34] 45 Double layer of 1 ⁄ 2-inch (13 mm) drywall on each side, wood studs, batt insulation in wall 46 Single layer of 1 ⁄ 2-inch (13 mm) drywall, glued to 6-inch (150 mm) lightweight concrete block wall, painted both sides 46 6-inch (150 mm) hollow CMU (concrete masonry unit) [34] 48

  4. Shelf angle - Wikipedia

    en.wikipedia.org/wiki/Shelf_angle

    In masonry veneer building construction, a shelf angle or masonry support is a steel angle which supports the weight of brick or stone veneer and transfers that weight onto the main structure of the building so that a gap or space can be created beneath to allow building movements to occur.

  5. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

  6. Gravity dam - Wikipedia

    en.wikipedia.org/wiki/Gravity_dam

    A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation. Gravity dams are designed so that each section of the dam is stable and independent of any other dam section.

  7. Gypsum concrete - Wikipedia

    en.wikipedia.org/wiki/Gypsum_concrete

    US patent 4,075,374 lists the by-weight formulation as 10 parts pressure calcined gypsum, 38-48 parts sand, and 4-10 parts water. 0.03 to 0.1 parts of a latex emulsion, such as Dow Latex 460, were also added. To prevent foaming, a defoamer such as WEX was added to the latex at a concentration of 0.2%. It was stated that gypsum calcined at ...

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  9. Masonry veneer - Wikipedia

    en.wikipedia.org/wiki/Masonry_veneer

    The weight of a veneer wall can be significantly less than solid masonry, resulting in economies in foundations and structural support. Because they are a lighter-weight, more economical option, brick and stone masonry veneers can be used in place of natural stone or full brick to provide added aesthetic appeal to a structure.