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The placement consisted of 10,251 cubic yards of concrete placed in 58.5 hours using two concrete pumps and two dedicated concrete batch plants. Upon curing, this placement allows the 50,180-square-foot (4,662 m 2 ) cofferdam to be dewatered approximately 26 feet (7.9 m) below sea level to allow the construction of the Inner Harbor Navigation ...
This regulation defines a standard cubic foot, for compressed or liquefied gases in refillable cylinders other than LPG by, "A standard cubic foot of gas is defined as a cubic foot at a temperature of 21 °C (70 °F) and a pressure of 101.325 kilopascals [kPa] (14.696 psia)".
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]
Also in 1908, Thomas Edison experimented with pre-cast concrete in houses in Union, N.J. [37] In the US, after World War One, the long curing time of at least a month for Rosendale cement made it unpopular for constructing highways and bridges, and many states and construction firms turned to Portland cement. Because of the switch to Portland ...
15.24 meters – width of an NBA basketball court (50 feet) 18.44 meters – distance between the front of the pitcher's rubber and the rear point of home plate on a baseball field (60 feet, 6 inches) [127] 20 meters – length of cricket pitch (22 yards) [128] 27.43 meters – distance between bases on a baseball field (90 feet)
The overall height of the stack is 585 feet 1 + 1 ⁄ 2 inches (178.35 m) (≈ 585 feet), [B] including a brick chimney 555 feet 1 + 1 ⁄ 2 inches (169.20 m) (≈ 555 feet) tall and the downhill side of a concrete foundation 30 feet (9.1 m) high. This was the height when new in 1918, but loss of the terra cotta that covered the top course of ...
Huge overhead cableways were constructed to transport concrete into the construction at Gatun. 85 ft (26 m) high towers were built on the banks of the canal, and cables of 2.5 in (6 cm) steel wire were strung between them to span the locks. Buckets running on these cables carried up to six tons of concrete at a time into the locks.
Trump Tower used 45,000 cubic yards (34,000 m 3) of concrete and 3,800 tons of steelwork. [26] The use of a concrete superstructure was in contrast to many other skyscrapers, which were built on steel frames. Scutt said a concrete frame was easier to build and was more rigid than a steel frame was. [27]
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