HOW POST-TENSIONING STABILIZES THE PIERS OF AN ANCIENT BRIDGE

The paper reports how a post-tensioning system has been used successfully to increase the stability of two piers of the 74-year-old Alexandra Bridge spanning the Ottawa River opposite the Parliament Buildings. Due to the porous concrete of piers 2 and 3 below water level a casing was needed to prevent the sides of the anchor bolts' holes from collapsing during drilling.

• Corporate Authors:

  Southam Business Publications Limited

  1450 Don Mills Road
  Don Mills, ONo,   Canada 
• Authors:
  • Hancock, N
• Publication Date: 1977-2

Media Info

• Pagination: p. 48-49
• Serial:
  • Engineering and Contract Record
  • Volume: 90
  • Issue Number: 2
  • Publisher: Southam Business Publications

Subject/Index Terms

• TRT Terms: Bolts; Bridge piers; Bridges; Concrete structures; Piers (Supports); Piers (Wharves); Reconstruction; Repairing; Tensioning
• Old TRIS Terms: Bridge repairs
• Subject Areas: Bridges and other structures; Railroads;

Filing Info

• Accession Number: 00167968
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Jan 13 1978 12:00AM