RESOLVING RESTRAINT MOMENTS: DESIGNING FOR CONTINUITY IN PRECAST PRESTRESSED CONCRETE GIRDER BRIDGES

Analytical studies of Washington State Department of Transportation (WSDOT) of standard precast prestressed concrete bridge girders are presented. The paper's goal is to encourage engineers to design for continuity for superimposed loads and to demonstrate those occurrences where continuity design is most advantageous. To demonstrate the maximum possible economic advantages of continuity, a set of design examples will be provided comparing simple spans with continuous spans that neglect the effect of restraint moments. The paper demonstrates that under certain conditions, the effect of restraint moments can be small, and, therefore, significant economic savings due to continuity design can be achieved.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/12789822
• Corporate Authors:

  Precast/Prestressed Concrete Institute

  209 West Jackson Boulevard
  Chicago, IL  United States  60606
• Authors:
  • McDonagh, M D
  • Hinkley, K B
• Publication Date: 2003-8

Language

• English

Media Info

• Features: Appendices; Figures; References; Tables;
• Pagination: p. 104-119
• Serial:
  • PCI Journal
  • Volume: 48
  • Issue Number: 4
  • Publisher: Precast/Prestressed Concrete Institute
  • ISSN: 0887-9672
  • Serial URL: http://www.pci.org

Subject/Index Terms

• TRT Terms: Bridge design; Economic benefits; Girder bridges; Load factor; Moments (Mechanics); Precast concrete; Prestressed concrete bridges; Restraint systems
• Subject Areas: Bridges and other structures; Design; Economics; Highways; Safety and Human Factors; I24: Design of Bridges and Retaining Walls;

Filing Info

• Accession Number: 00963022
• Record Type: Publication
• Files: TRIS
• Created Date: Sep 17 2003 12:00AM