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The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...
A 3/8 scale 63-foot (19 m) replica of Albemarle has been at anchor near the Port O' Plymouth Museum in Plymouth, North Carolina since April 2002. The replica is self-powered and capable of sailing on the river. Each year, the replica takes to the water during Living History Weekend in the last weekend of April. [4] [5]
Moreover, their position must also be coordinated with the reinforcement layout. [3] Different types of cast-in-place anchors might be distinguished: [3] Lifting inserts: used for lifting operations of plain or prestressed RC beams. The insert can be a threaded rod. See also bolt (climbing). Anchor channels: used in precast concrete connections ...
A deep-penetrating anchor (DPA) is conceptually similar to a torpedo anchor: it features a dart-shaped, thick-walled, steel cylinder with flukes attached to the upper section of the anchor. A full-scale DPA is approximately 15 metres (49 ft) in length, 1.2 metres (4 ft) in diameter, and weighs on the order of 50–100 tonnes (49–98 long tons ...
One popular style is the star anchor, an anchor plate cast or wrought in the shape of a five-pointed star. Other names and styles of anchor plate include earthquake washer, triangular washer, S-iron, and T-head. [2] In the United Kingdom, pattress plate is the term for circular restraints, [3] tie bar being an alternative term for rectangular ...
[3] The company filed for Chapter 11 bankruptcy protection on April 29, 2010. [4] It emerged from bankruptcy on August 31, 2010 after reducing its debt by $272 million. [5] On October 30, 2012, Central Concrete Supply Co., Inc., a wholly owned subsidiary of U.S. Concrete, completed the acquisition of Bode Gravel Co. and Bode Concrete LLC. [6]
[1] He was a key member of this prominent mixed-race family in New Bern, North Carolina which included his granddaughter, Sara G. Stanley, who would eventually become one of the first African-American women to attend Oberlin College in Ohio, and John Patterson Green, his great-nephew, who is known as the "Father of Labor Day".
Other varieties of wall plug are mechanical anchors for heavy duty loads and hollow wall fixings for fixing to plasterboard. The first mechanical anchor, the Rawlbolt, was designed in the 1930s by the Rawlplug company and the first fixing for hollow walls was the Toggle Bolt, which was also designed by Rawlplug in 1941.