- 産業: Government; Transportation
- Number of terms: 1862
- Number of blossaries: 0
- Company Profile:
Iowa Department of Transportation (DOT) is the state agency responsible for the organization, construction, and maintenance of the of Iowa's highway system. Located in Ames, Iowa DOT is also responsible for licensing drivers and programming and planning for aviation, rail, and public transit.
A technique used to restore the structural integrity and rideability of distressed concrete pavement. It involves removing the deteriorated concrete down to the base, repairing the base, and refilling the excavated area with new concrete. Full-depth replacement is a particularly effective technique for pavement repairs near joints and cracks. By removing and replacing isolated areas of deterioration, pavement can be restored close to its original condition.
Industry:Construction
An arrangement of wedge shaped blocks set to form an arched bridge.
Industry:Construction
Temporary structure or falsework supporting an arch during construction.
Industry:Construction
From the French word for "see-saw," a bascule bridge features a movable span (leaf) that rotates on a horizontal hinged axis (trunnion) to raise one end vertically. A large counterweight is used to offset the weight of the raised leaf. May have a single raising leaf or two that meet in the center when closed.
Industry:Construction
A movable deck bridge that opens by rotating horizontally on an axis. Compare to bascule bridge and vertical lift bridge.
Industry:Construction
The outer exposed curve of an arch; defines the lower arc of a spandrel.
Industry:Construction
Pile-supported structures are supported by timber piling at regular intervals (typically 10 to 15 feet on center). A pile-supported structure can be built to any length and virtually any height.
Industry:Construction
The opening of construction project bids from contractors conducted by the transportation agency.
Industry:Construction
