EFFECT OF ALKALI-SILICA REACTION ON THE STRUCTURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS

Test data are presented on the structural deformations and strength of reinforced concrete beams undergoing alkali-silica reaction (ASR). To establish the full extent of the effects of ASR, the beams were singly reinforced with shear links; further, two types of reactive aggregates were used - one was highly reative, and the other was less rapidly reactive. The beams were left unloaded in an environment favorable to ASR. The effects of the time-dependent ASR on concrete and steel strains, deflections, and cracking are reported. The beams were then tested to failure, and the influence of ASR on ultimate flexural strength and modes of failure is described. The results show that ASR can create large irreversible concrete and steel strains, which will affect the overall serviceability, strength, and stability of reinforced concrete beams. The maximum recorded loss in flexural capacity due to ASR was about 25%.

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  • http://www.concrete.org/Publications/InternationalConcreteAbstractsPortal.aspx.aspx?m=details&i=2961
• Availability:
  • Find a library where document is available. Order URL: http://www.aci-int.org/PUBS/JOURNALS/AbstractDetails.asp?srchtype=phrase&date=anytime&searchmonth=7&searchday=0&searchyear=1989&publication=Structural+Journal&volume=86&issue=4&title=EFFECT+OF+ALKALI%2DSILICA+REACTION+ON+THE+STRUCTURAL+BEHAVIOR+OF+REINFOR
• Corporate Authors:

  American Concrete Institute

  P.O. Box 19150, Redford Station, 22400 Seven Mile Road
  Detroit, MI  United States  48219
• Authors:
  • Swamy, R N
  • Al-Asali, M M
• Publication Date: 1989-7

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 451-459
• Serial:
  • ACI Structural Journal
  • Volume: 86
  • Issue Number: 4
  • Publisher: American Concrete Institute (ACI)
  • ISSN: 0889-3241
  • Serial URL: http://www.concrete.org/PUBS/JOURNALS/SJHOME.ASP

Subject/Index Terms

• TRT Terms: Alkali silica reactions; Beams; Deflection; Flexural strength; Fracture mechanics; Material reinforcement; Reinforced concrete; Strain (Mechanics); Strength of materials; Structural analysis; Structural mechanics
• Uncontrolled Terms: Reinforced concrete beams; Structural behavior
• Old TRIS Terms: Strains
• Subject Areas: Bridges and other structures; Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 00486730
• Record Type: Publication
• Report/Paper Numbers: Title No. 86-S42
• Files: TRIS
• Created Date: Aug 31 1989 12:00AM