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The pier of a bridge is an intermediate support that holds the deck of the structure. It is a massive and permanent support, as opposed to the shoring , which is lighter and provides temporary support.
Gaff rig [1] is a sailing rig (configuration of sails, mast and stays) in which the sail is four-cornered, fore-and-aft rigged, controlled at its peak and, usually ...
The tensioned portion of the rope would fasten the ship to the quay, hoist a foresail, lift a spar into position on the mast or be used to transfer cargo to or from a dock or lighter. A capstan is a vertical- axled rotating machine developed for use on sailing ships to multiply the pulling force of sailors when hauling ropes, cables , and hawsers .
Bitts are paired vertical wooden or metal posts mounted either aboard a ship or on a wharf, pier, or quay. The posts are used to secure mooring lines, ropes, hawsers, or cables. [1] Bitts aboard wooden sailing ships (sometime called cable-bitts) were large vertical timbers mortised into the keel and used as the anchor cable attachment point. [2]
In early-1929, the Golden Gate Ferry Company merged with the competing auto ferry system of the Southern Pacific railroad, with ferry service to the Hyde Street Pier taken over by the new "Southern Pacific-Golden Gate Ferries, Ltd." starting on May 1, 1929. [2] The pier is part of the San Francisco Maritime National Historical Park. Various ...
Also called bolster plate. anchor buoy A small buoy secured to a line attached to the crown of an anchor. The line allows the anchor to be unhooked from an obstruction, such as a rock or another vessel's anchor cable, so preventing raising the anchor in the normal way. [13] anchor chain . Also anchor cable. A chain connecting a ship to an anchor.
The total length of the Golden Gate Bridge from abutment to abutment is 8,981 feet (2,737 m). [56] The Golden Gate Bridge's clearance above high water averages 220 feet (67 m) while its towers, at 746 feet (227 m) above the water, [56] were the world's tallest on a suspension bridge until 1993 when it was surpassed by the Mezcala Bridge, in Mexico.
DEPLA components Omni-Max Anchor [12] The dynamically-embedded plate anchor (DEPLA) is a direct-embedment, vertically-loaded anchor that consists of a plate embedded in the seabed by the kinetic energy obtained by freefall in water. This new anchor concept has only been recently developed but has been tested both in the lab and field.
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