BRIDGE ERECTION BY LAUNCHING IS FAST, SAFE, AND EFFICIENT

Prestressed concrete has been utilized for the construction of bridges longer than 200 m without falsework. This method, which is useful where piers can be easily erected at regular intervals, calls for the superstructure to be assembled incrementally on one abutment. After each piece is attached to the adjacent one, the superstructure is then pushed one pier further. A structural steel launching noise was used to prevent cantilever moments greater than the design capcity. The launching equipment for the superstructure is usually placed on the abutments. It consists of a hydraulic vertical jack and a hydraulic horizontal jack. The technique was used in the erection of the Wabash River Bridge in Indiana.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/10480594
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Baur, W
• Publication Date: 1977-3

Media Info

• Features: Figures; Photos;
• Pagination: p. 60-63
• Serial:
  • Civil Engineering
  • Volume: 47
  • Issue Number: 3
  • Publisher: American Society of Civil Engineers
  • ISSN: 0885-7024
  • Serial URL: http://www.pubs.asce.org/ceonline/newce/html

Subject/Index Terms

• TRT Terms: Bridge abutments; Bridge superstructures; Bridges; Construction; Hydraulic equipment; Structural steel
• Subject Areas: Bridges and other structures; Construction; Highways;

Filing Info

• Accession Number: 00163614
• Record Type: Publication
• Files: TRIS
• Created Date: Mar 14 1978 12:00AM