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A Vierendeel bridge is a bridge employing a Vierendeel truss, named after Arthur Vierendeel, a Belgian engineer who proposed this new bridge girder-type without diagonals in 1896. [ 1 ] Such trusses are made up of rectangular rather than triangular frames, as are common in bridges using pin–joints .
The idea of a bridge without trusses came to him in 1895; the design later became known as a Vierendeel bridge. [1] For the 1897 World Fair at Brussels he built a 31.5m span bridge at his own expense and loaded to show the correlation between measurement and his numerical analysis. [1] [2]
A Vierendeel bridge, which lacks diagonal elements in the primary structure. The members of a Vierendeel structure are not triangulated but form rectangular openings. The structure has a frame with fixed joints that are capable of transferring and resisting bending moments. As such, it does not fit the definition of a truss, since it contains ...
AAW An acronym for anti-aircraft warfare. aback (of a sail) Filled by the wind on the opposite side to the one normally used to move the vessel forward.On a square-rigged ship, any of the square sails can be braced round to be aback, the purpose of which may be to reduce speed (such as when a ship-of-the-line is keeping station with others), to heave to, or to assist moving the ship's head ...
Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...
Mere seconds after the Dali hit the bridge, it appeared to snap and fall into the dark water below. “My husband doesn’t know how to swim. It is a miracle he survived,” the wife said.
Also Abrams' water-cement ratio law. A law which states that the strength of a concrete mix is inversely related to the mass ratio of water to cement. As the water content increases, the strength of the concrete decreases. abrasion The process of scuffing, scratching, wearing down, marring, or rubbing away a substance or substrate. It can be intentionally imposed in a controlled process using ...
Bridge loans are short-term loans that help cover costs during transitional periods, most often the time frame between buying and selling a home. Like a mortgage, you might need to put your home ...