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One brass is exactly 100 square feet (9.29 m 2) area (used in measurement of work done or to be done, such as plastering, painting, etc.). The same word is used, however, for 100 cubic feet (2.83 m 3) of estimated or supplied loose material, such as sand, gravel, rubble, etc
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 ...
The most common use for portland cement is in the production of concrete. [17] Concrete is a composite material consisting of aggregate (gravel and sand), cement, and water. As a construction material, concrete can be cast in almost any shape desired, and once hardened, can become a structural (load bearing) element.
Twin electric pumps pushed concrete through the pipe at 3,000 pounds (1,400 kg) per 1-square-inch (6.5 cm 2). The pipe could pour 60 to 65 cubic yards (46 to 50 m 3) of concrete per hour. [120] Metal cables running through the still-liquid concrete were vibrated to ensure a flush fit against previously poured concrete and to eliminate voids. [75]
The gram per cubic centimetre is a unit of density in the CGS system, and is commonly used in chemistry. It is defined by dividing the CGS unit of mass, the gram, by the CGS unit of volume, the cubic centimetre. The official SI symbols are g/cm 3, g·cm −3, or g cm −3.
If there are too many protons, some can turn into neutrons by beta decay, and vice versa. A proton can change into a neutron by emitting a positron (beta plus), and a neutron can change into a proton by emitting an electron (beta minus). —Keenan Pepper 03:59, 1 December 2005 (UTC) THE SUN DOES NOT EXIST!!!!!
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]
The piers are faced with Maine granite and are attached to a backing made of concrete and Mohawk Valley limestone. [38] In total, workers used 14,000 cubic yards (11,000 m 3) of limestone, 17,000 cubic yards (13,000 m 3) of concrete, and 22,800 cubic yards (17,400 m 3) of granite to build the bridges. [28]
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