According to the National Ready Mix Concrete Association, improper initial curing is among the top reasons for low-breaks. And those strength losses can be significant.
"Losses in strength amounted to as much as 50%"
- NRMCA Publication 53
- NRMCA Publication 53
NATIONAL READY MIX CONCRETE ASSOCIATION - CIP LINKS
CIP 34 - MAKING CONCRETE CYLINDERS IN THE FIELD
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CIP 9 - LOW CYLINDER STRENGTH
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CIP 35 - TESTING COMPRESSIVE STRENGTH OF CONCRETE
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*CIP's are copyrighted information by NRMCA and no part of the publication may be reproduced in any form,
including photocopying or other electronic means without permission in writing from the NRMCA.
including photocopying or other electronic means without permission in writing from the NRMCA.
LINKS TO GOVERNING STANDARDS
ASTM C31/C31M-19 Standard Practice for Making and Curing Concrete Test Specimens in the Field
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AASHTO T 23 - Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
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LINKS TO VIDEOS, DOCUMENTS, AND ARTICLES OF VALUE
ASTM C31 - SIcerts ON CREATING SPECIMENS IN THE FIELD
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CTI ARTICLE - WHAT IS LOW CYLINDER STRENGTH
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