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Portland Cement Association TROWEL TIPS …

Portland Cement Association TROWEL tips . INFORMATION. an aid to the masonry industry Field Testing Masonry Mortar With the exception of masonry constructed in seismic zones, field testing of masonry has generally been limited to an occasional evaluation of masonry mortar. More frequently than not, even this testing is done improperly and interpreted incorrectly, resulting in needless contro- versy and waste. As ACI 530/ASCE 5/TMS 402 (Building code Requirements for Masonry Structures ) and ACI 6/TMS 602 (Specification for Masonry Structures ) requirements for quality assurance are imple- mented into construction documents, field testing of masonry components and assemblies will become more commonplace.

Mortar mixed to a laboratory flow consistency of 110 ± 5 percent as required for determination of compressive strength according to ASTM C270 property requirements

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