Title:
Design for Strength Variability: Testing and Effects on Cracking in RCC and Conventional Concretes
Author(s):
Erbest K. Schrader
Publication:
Symposium Paper
Volume:
104
Issue:
Appears on pages(s):
1-26
Keywords:
coefficient of variation; compressive strength; concretes; cracking (fracturing); fresh concretes; mix proportioning; quality control; roller compacted concrete; shrinkage; strength; tests; thermal stresses; variability; Design
DOI:
10.14359/1694
Date:
10/1/1987
Abstract:
ACI and ASTM standards require an overdesign factor to be added to the design strength to account for variability in the mix. A high variability necessitates an average strength considerably higher than the design strength. There are two key problems wit