Guidelines for analyzing the capacity of d-regions with premature concrete deterioration of ASR/DEF.

Details

• Creators:
  Mander, John B. ; Karthik, Madhu M. ; Hurlebaus, Stefan
• Corporate Creators:
  Texas A&M Transportation Institute
• Corporate Contributors:
  United States. Federal Highway Administration ; Texas. Dept. of Transportation
• Subject/TRT Terms:
  • Bridge design
  • Deterioration
  • Alkali silica reactions
  • Structural analysis
  • Strut and tie method
  • Beams
• Publication/ Report Number:
  0-5997-P2
• Resource Type:
  Tech Report
• Geographical Coverage:
  Texas
• Corporate Publisher:
  Texas A&M Transportation Institute
• Abstract:
  When a bridge engineer encounters a design or analysis problem concerning a bridge substructure, ; that structure will commonly have a mixture of member types, some slender, and some squat. ; Slender members are generally governed by flexure, and normal beam theory should suffice for ; analysis and design. Squat members can often be handled by beam theory too, although nowadays ; designers have a choice and may opt to use strut-and-tie (SAT) models. ; When the structure possesses a mixture of beam (B-) regions and deep or disturbed (D-) ; regions the dilemma facing the structural engineer is: What method should one use for structural ; analysis and design? ; The issue becomes even more murky when a structure already exists, but shows signs of ; damage and deterioration from the effects of Alkali Silica Reaction (ASR), Delayed Ettringite ; Formation (DEF), or other deterioration mechanisms. The engineer is faced with a second ; dilemma: How do deteriorated material properties get incorporated into the analysis?
  More +
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/28843/dot_28843_DS1.pdf
• File Type:
  [PDF - 12.04 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:ec82c252f7414c2f084f9902dcd34aef9371ed7fbed2bfc6730a7c54cf9474ae