The Effect of Chemical Admixtures on the Drying Shrinkage of Concrete and the Control of Chemical Uniformity of Admixtures

Details

• Creators:
  Torrans, Patrick H. ; Ivey, Don L. ; Hirsch, Teddy J.
• Corporate Creators:
  Texas Transportation Institute. Texas A&M University
• Corporate Contributors:
  Texas Highway Department ; United States. Department of Commerce. Bureau of Public Roads
• Subject/TRT Terms:
  • Admixtures
  • Chemical composition
  • Portland cement concrete
  • Shrinkage
  • Standardization
  • Temperature
• Publication/ Report Number:
  70-1
• Resource Type:
  Tech Report
• Geographical Coverage:
  Texas ; United States
• Edition:
  Bulletin No. 33
• Corporate Publisher:
  Texas Transportation Institute. Texas A&M University
• Abstract:
  Part I of this report is concerned with the effect that certain chemical admixtures have on drying shrinkage, and data are presented which show that under current specifications the acceptance or rejection of certain admixtures on the basis of their contribution to shrinkage may be purely a matter of the constituents used in the test concrete. It was found in Part I that the use of certain chemical admixtures greatly increased drying shrinkage when used at a dosage sufficient to give a two-hour retardation of initial set (as measured by Proctor Penetration) at the temperature of 75°F. Part II determined the effect of chemical admixtures on the drying shrinkage of concrete batched at 95°F. Part III addresses the control of uniformity of concrete admixtures.
• Format:
  PDF
• Funding:
  2-5-63-70
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/84438/dot_84438_DS1.pdf
• File Type:
  [PDF - 2.19 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:6d58c35c135fd476551affbc04a363266f26d8296ce5330f28a4e12be05c67927cf9bba7f9e6fd0bd077bfc42f921ea362d96d230b90df5c78444d0d18740fea