Search results
Results from the WOW.Com Content Network
The first residential building of slipform construction; erected in 1950 in Västertorp, Sweden, by AB Bygging Later picture of the residential building in Västertorp. Slip forming, continuous poured, continuously formed, or slipform construction is a construction method in which concrete is placed into a form that may be in continuous motion horizontally, or incrementally raised vertically.
Size of stones was central to McAdam's road building theory. The lower 200-millimetre (7.9 in) road thickness was restricted to stones no larger than 75 millimetres (3.0 in). Modern tarmac was patented by British civil engineer Edgar Purnell Hooley, who noticed that spilled tar on the roadway kept the dust down and created a smooth surface. [12]
A sidewalk (North American English) [1] [2] [3] or pavement (British English) is a path along the side of a road. Usually constructed of concrete, pavers, brick, stone, or asphalt, it is designed for pedestrians. A sidewalk is normally higher than the roadway, and separated from it by a curb.
For premium support please call: 800-290-4726 more ways to reach us
(Reuters) -Summit Materials said on Monday rival Quikrete would acquire the company in a deal valued at $11.5 billion, in a move to capitalize on higher demand for building materials. The company ...
[10] Size of stones was central to McAdam's road building theory. The lower 8 in (20 cm) road thickness was restricted to stones no larger than 3 inches (7.5 cm). The upper 2-inch-thick (5 cm) layer of stones was limited to stones 2 centimetres (3 ⁄ 4 in) in diameter; these were checked by supervisors who carried scales. A workman could check ...
Los Angeles leaders condemned viral video of a contractor for a nonprofit organization hosing down a sidewalk as a homeless person scrambles to collect their belongings.
[2] Coping may be made of stone (capstone), brick, clay or terracotta, concrete or cast stone, tile, slate, wood, thatch, or various metals, including aluminum, copper, stainless steel, steel, and zinc. [3] In all cases it should be weathered (have a slanted or curved top surface) to throw off the water. [1]