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A jack post (telepost, adjustable steel column) is a steel post used in the construction trades for temporary support of ceilings, walls and trenches ().They are designed to be able to mechanically telescope to about twice their shortest length in order to span a wide variety of spaces.
A Lally column is a round or square thin-walled structural steel column filled with concrete, [1] and oriented vertically to provide support to beams or timbers stretching over long spans. Lally columns are an engineered component and as such must be installed exactly as the design engineer specified.
An arc of Phoenix Columns adorns a plaza outside the old foundry building. The Phoenix Column, patented by Samuel Reeves in 1862, was a hollow cylinder composed of four, six, or eight wrought iron segments riveted together. The resulting column was much lighter and stronger than the solid cast iron columns of the day. [9]
330000 adjustable steel prop 291000 post shore 83800 adjustable steel post 88100 adjustable jack post 51000 adjustable steel column 42900 shoring post 32000 Acrow prop 18900 adjustable steel shore In this case the clear winner is "adjustable steel prop", which is the most common term used in China.
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The PNC Building, officially One Cascade Plaza, is a 23-story high-rise structure in Downtown Akron, Ohio. The building is the second-tallest in Akron. It was owned by the National City Bank until 2008, when the Pittsburgh-based PNC Bank purchased the company. In 2016, after years of the bank only having street-level signage outside the ...
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It is 1,175 feet (358 m) long, 325 feet (99 m) wide, and 211 feet (64 m) high, supported by 13 steel arches. There is 364,000 square feet (34 000 m 2) of unobstructed floor space, or an area larger than 8 football fields side-by-side. The airdock has a volume of 55 million cubic feet (or about 1.5 million cubic meters).