PLASTIC SHRINKAGE

PLASTIC SHRINKAGE AND PLASTIC SHRINKAGE CRACKING SOMETIMES OCCUR IN THE EXPOSED SURFACE OF FRESHLY-PLACED CONCRETE. THIS SHRINKAGE AND CRACKING IS CAUSED BY A RAPID EVAPORATION OF WATER FROM THE SURFACE OF THE CONCRETE. CONDITIONS THAT DETERMINE THE RATE OF EVAPORATION ARE DESCRIBED. CONSTRUCTION PROCEDURES AND PRACTICES THAT CAN MINIMIZE THE CAUSES OF THIS TYPE OF SHRINKAGE AND CRACKING ARE RECOMMENDED. SPECIFIC CASES CITED SHOW HOW APPLICATION OF THESE PROCEDURES HAS SOLVED THE PROBLEM. IT IS BELIEVED THAT THE RECOMMENDED CORRECTIVE MEASURES WILL SOLVE THE PROBLEM OF PLASTIC SHRINKAGE AND PLASTIC SHRINKAGE CRACKING ON CONSTRUCTION PROJECTS. /PCA/

• Authors:
  • Lerch, W
• Publication Date: 0

Media Info

• Serial:
  • Portland Cement Assoc R & D Lab Bull
  • Issue Number: 0

Subject/Index Terms

• TRT Terms: Concrete construction; Construction management; Cracking; Evaporation; Polymer concrete; Shrinkage; Water
• Old TRIS Terms: Shrinkage cracks
• Subject Areas: Construction; Highways; Materials;

Filing Info

• Accession Number: 00213529
• Record Type: Publication
• Source Agency: Portland Cement Association
• Report/Paper Numbers: No 81
• Files: TRIS
• Created Date: May 25 1970 12:00AM