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  2. Plywood - Wikipedia

    en.wikipedia.org/wiki/Plywood

    The most commonly used thickness range is from 18 to 3 inches (3.2–76.2 mm). 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 ...

  3. Controlled permeability formwork - Wikipedia

    en.wikipedia.org/wiki/Controlled_Permeability...

    And Suga, K. Study on the evaluation of concrete quality prepared with permeable forms and plywood forms. Transactions of the Japan Concrete Institute, Vol 10, 1988, pp. 59–66.

  4. Formwork - Wikipedia

    en.wikipedia.org/wiki/Formwork

    Typical widths are between 6 and 10 feet (1.8 and 3.0 m), typical lengths are between 12 and 20 feet (3.7 and 6.1 m), though table sizes may vary in size and form. The major distinction of this approach is that the tables are lifted either with a crane transport fork or by material platform elevators attached to the side of the building.

  5. Composite material - Wikipedia

    en.wikipedia.org/wiki/Composite_material

    Composite wood such as plywood; ... (tensile) forces, are often added to concrete to form reinforced concrete. ... 1.8 x 10 6 – 4 x 10 6:

  6. Shear wall - Wikipedia

    en.wikipedia.org/wiki/Shear_wall

    Slip forming is method of concrete placement whereby a moving form is used to create a continuous wall extrusion. This method is very efficient for well-suited structures, such as flanged and core wall systems. A very accurate wall thickness can be achieved but the surface is rough because of the abrasion of the form on the walls.

  7. BS 1088 - Wikipedia

    en.wikipedia.org/wiki/BS_1088

    15 mm +.1/-0.9; 18 mm +.12/-0.98; 22 mm +.16/-1.08; 25 mm +1.8/-1.16 From the above we can assume that 6 mm material will arrive at thickness' between 6.04 mm and 5.35 mm. Face Veneer thickness -- For any three-ply construction, which applies to 3 and 4 mm material, each face veneer shall be not thinner than 1/8 of the total thickness of ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Lumber - Wikipedia

    en.wikipedia.org/wiki/Lumber

    In 1961, at a meeting in Scottsdale, Arizona, the Committee on Grade Simplification and Standardization agreed to what is now the current U.S. standard: in part, the dressed size of a 1-inch (nominal) board was fixed at 3 ⁄ 4 inch; while the dressed size of 2 inch (nominal) lumber was reduced from 1 + 5 ⁄ 8 inch to the current 1 + 1 ⁄ 2 inch.

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