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A w/c ratio higher than 0.60 is not acceptable as fresh concrete becomes "soup" [2] and leads to a higher porosity and to very poor quality hardened concrete as publicly stated by Prof. Gustave Magnel (1889-1955, Ghent University, Belgium) during an official address to American building contractors at the occasion of one of his visits in the ...
This translates to a hoppus foot being equal to 1.273 cubic feet (2,200 in 3; 0.0360 m 3). The hoppus board foot, when milled, yields about one board foot. The volume yielded by the quarter-girth formula is 78.54% of cubic measure (i.e. 1 ft 3 = 0.7854 h ft; 1 h ft = 1.273 ft 3). [42]
The teaspoon, tablespoon, and cup are defined in terms of a fluid ounce as 1 ⁄ 6, 1 ⁄ 2, and 8 fluid ounces respectively. The fluid ounce derives its name originally from being the volume of one ounce avoirdupois of water, [21] but in the US it is defined as 1 ⁄ 128 of a US gallon. Consequently, a fluid ounce of water weighs about 1.041 ...
The statute standardized weight, length and volume as well as introduced the peny, ounce, pound, gallon and bushel. [4]: 73–74 In 1618, the London Pharmacopoeia (medicine compound catalog) adopted the Roman gallon [8] or congius [9] as a basic unit of volume and gave a conversion table to the apothecaries' units of weight. [8]
One cubic yard: 9.5–9.8 × 10 −1: One tun (an old unit for beer and wine) 1 × 10 0: One cubic metre, one kilolitre or one stère—volume of a large domestic fridge-freezer (external dimensions) 3.85 × 10 1: External volume of a standard 20-foot ("TEU") cargo container, which has a capacity of 33.1 cubic metres 7.7 × 10 1
Stone, 16 cubic feet (0.453 m 3) Salt, 42 US bushels (1.480 m 3) Lime, 40 US bushels (1.410 m 3) Coke, 28 US bushels (0.99 m 3) Wheat, 20 US bushels (0.705 m 3) The nearest thing to a standard cubic ton seems to be the "timber" cubic ton (40 cubic feet or 1.133 cubic metres) which is used by freight transport operators in the US. [1] [2]
The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...
The American football field, which has a playing area 100 yards (91.4 m) long by 160 feet (48.8 m) wide. This is often used by the American public media for the sizes of large buildings or parks. It is used both as a unit of length (100 yd or 91.4 m, the length of the playing field excluding goal areas) and as a unit of area (57,600 sq ft or ...