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A cast-in-place anchor bolt. The simplest – and strongest – form of anchor bolt is cast-in-place, with its embedded end consisting of a standard hexagonal head bolt and washer, 90-bend, or some sort of forged or welded flange (see also stud welding). The last are used in concrete-steel composite structures as shear connectors. [6]
Since treehouses are subject to frequent load reversal produced by winds, TABs must be made of spring steel [1] The bolts are able to support from between 9,000 and 12,000 pounds (4,100 and 5,400 kg), [4] a much greater load than conventional lag bolts.
Although uncommon, it is occasionally also considered a unit of mass, equal to 1000 pounds (i.e. one half of a short ton). Another use is as a unit of deadweight to compute shipping charges. 1 kip ≈ 4,448.222 N = 4.448222 kN [ 1 ]
12,150,000 pounds (5,510,000 kg) of concrete footers; 2,742 anchor bolts; Ride elements. Two 120-foot-long (37 m) tunnels; 510-degree downward helix; Mid-course brake ...
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Full-scale field tests were performed in water at depths of up to 1,000 metres (3,300 ft) using a 12-metre (39 ft) long, 762-millimetre (30.0 in) diameter, torpedo anchor with a dry weight of 400 kilonewtons (90,000 lb f). The torpedo anchor dropped from a height of 30 metres (98 ft) above sea level achieved 29-metre (95 ft) penetration in ...
A breakaway bolt is a bolt with a hollow threaded shank, which is designed to break away upon impact. Typically used to fasten fire hydrants, so they will break away when hit by a car. Also used in aircraft to reduce weight. cap screw: The term cap screw refers to many different things at different times and places. Currently, it most narrowly ...
Anchor channels, invented by Anders Jordahl in 1913, are steel channels cast flush in reinforced concrete elements to allow the installation of channel bolts for the fastening of components. Anchor channels consist of steel C-shaped channels and anchors (mostly headed studs ) which are connected to the channel by welding or riveting/forging.