ASTM C 780 - 06a Standard Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry

American Society for Testing and Materials (ASTM). Current edition approved Dec. 15, 2006. Published February 2007. Originally approved in 1974. Last previous edition approved in 2006 as C 780 – 06. 17 p. This test method covers procedures for the sampling and testing of mortars for composition and for their plastic and hardened properties, either before or during their actual use in construction.