Day: October 18, 2016

USE OF REGULAR AGED TESTING OF MODERN MIXES OF GRC TO JUSTIFY A HIGHER ACCEPTABLE DESIGN STRESS IS LONG OVERDUE

GRC was first developed in the 1950’s by the Building Research Establishment UK. Pilkington Bros developed its commercial application in the 1960’s. Since that time engineers have always given appropriate consideration to long-term loss of strength due to fibre creep. 60 years later, designers still use the same rules originally developed. However, mix design has […]

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