WATER-CEMENT RATIO IS PASSE

This article points out the misuse of current ACI water-cement ratio tables. Maximum water-cement ratio specifications are often counter-productive in promoting shrinkage cracks and shrinkage stresses, curling, high cement factors and high heat concrete, general cracking, job problems over slump vs water cement ratio, concrete complaints, and low bids by suppliers. Each of these areas is discussed. Comments are made on effective mass placement, durability, permeability, high strength concrete, and effective water cement ratio. Slump and mix specifications are also discussed.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/4163061
• Authors:
  • Barton, R B
• Publication Date: 1989-11

Media Info

• Pagination: p. 75-78
• Serial:
  • Concrete International
  • Volume: 11
  • Issue Number: 11
  • Publisher: American Concrete Institute (ACI)
  • ISSN: 0162-4075

Subject/Index Terms

• TRT Terms: Cement content; Concrete; Concrete placing; Cracking; High strength concrete; Shrinkage; Slump test; Specifications; Water cement ratio
• Uncontrolled Terms: Concrete cracking
• Old TRIS Terms: Concrete shrinkage
• Subject Areas: Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 00489450
• Record Type: Publication
• Files: TRIS
• Created Date: Nov 30 1989 12:00AM