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AASHTO PP 73
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AASHTO PP 73 2013 Edition, January 1, 2013 Standard Practice for Quality Assurance, Job Site Quality Control, and Reapplication of Protective Sealers for Portland Cement Concrete
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Description / Abstract:
This practice covers procedures and test methods for quality
assurance testing and job site quality control for protective
sealers for protecting new concrete or prolonging the life of
sound, inservice concrete used in highway structures. It is assumed
that the sealer has been tested and prequalified through TP 96.
This practice provides testing methods for routine and job site
product quality assurance and for assessing the field performance
of sealers, and includes methods to assess when reapplication
should be performed.
Sealers are divided into two basic types: coatings, which remain on the surface; and penetrants, which penetrate into the concrete to some measurable depth and do not substantially change the appearance of the concrete.
The values stated in SI units are to be regarded as the standard
Sealers are divided into two basic types: coatings, which remain on the surface; and penetrants, which penetrate into the concrete to some measurable depth and do not substantially change the appearance of the concrete.
The values stated in SI units are to be regarded as the standard