Evaluation of fly ash concrete durability containing class II durability aggregates.

Details

• Creators:
  Moussalli, Sam G.
• Corporate Creators:
  Iowa. Dept. of Transportation
• Subject/TRT Terms:
  Aggregates Concrete Durability Evaluation Fly Ash
• Publication/ Report Number:
  MLR-85-8
• Resource Type:
  Tech Report
• Geographical Coverage:
  Iowa
• Corporate Publisher:
  Iowa. Dept. of Transportation. Highway Division
• Abstract:
  Fly ash was used in this evaluation study to replace 15% of the cement in
  
  Class C-3 concrete paving mixes. One Class "c" ash from Iowa approved
  
  sources was examined in each mix. Substitution rate was based on 1 to 1
  
  basis, for each pound of cement removed 1.0 pound of ash was added.
  
  The freeze/thaw durability of the concrete studied was not adversely affected
  
  by the presence of fly ash. This study reveals that the durability
  
  of the concrete test specimens made with Class II durability
  
  aggregates was slightly increased in all cases by the substitution of cement
  
  with 15% Class "c" fly ash.
  
  In all cases durability factors either remained the same or slightly improved
  
  except for one case where the durability factor decreased from 36
  
  to 34. The expansion decreased in all cases.
  
  
• Format:
  PDF
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:90d14f8444c9e9bcb0291dd04daf2cc6ea9a482fc56f1e3be8214a29e99860e4
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/23386/dot_23386_DS1.pdf
• File Type:
  [PDF - 928.81 KB ]