Pile driver: Difference between revisions
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{{Image|PileDriving.jpg|right|350px|Pile driver driving piles for a bridge in [[Napa, California]].}} | {{Image|PileDriving.jpg|right|350px|Pile driver driving piles for a bridge in [[Napa, California]].}} | ||
A '''pile driver''' is equipment | A '''pile driver''' is a type of [[construction equipment]] that is used to install [[deep foundation]]s by hammering foundation elements into the ground until sufficient resistance is encountered. | ||
A pile driver consists of a guide frame and a hammer. The guide frame keeps the pile (foundation element) aligned at the desired inclination, while the hammer drives the pile into the ground. Modern pile hammers are often two-stroke [[diesel cycle|diesel engines]] using gravity to draw the piston down do create compression. Some pile hammers are steam-driven, and various methods of lifting and dropping dead weights using [[pulley]]s are still in use. | A pile driver consists of a guide frame and a [[hammer (tool)|hammer]]. The guide frame keeps the pile (foundation element) aligned at the desired inclination, while the hammer drives the pile into the ground. Modern pile hammers are often two-stroke [[diesel cycle|diesel engines]] using gravity to draw the piston down do create compression. Some pile hammers are steam-driven, and various methods of lifting and dropping dead weights using [[pulley]]s are still in use. | ||
In modern practice, most pile drivers are suspended from [[crane (engineering)|crane]]s during driving operations, to allow easy movement of the pile driver around the jobsite. | In modern practice, most pile drivers are suspended from [[crane (engineering)|crane]]s during driving operations, to allow easy movement of the pile driver around the jobsite. | ||
Revision as of 12:46, 16 June 2009
A pile driver is a type of construction equipment that is used to install deep foundations by hammering foundation elements into the ground until sufficient resistance is encountered.
A pile driver consists of a guide frame and a hammer. The guide frame keeps the pile (foundation element) aligned at the desired inclination, while the hammer drives the pile into the ground. Modern pile hammers are often two-stroke diesel engines using gravity to draw the piston down do create compression. Some pile hammers are steam-driven, and various methods of lifting and dropping dead weights using pulleys are still in use.
In modern practice, most pile drivers are suspended from cranes during driving operations, to allow easy movement of the pile driver around the jobsite.