ERRATA as of June 29, 2018 ACI 318-14 Building Code Requirements for Structural Concrete and Commentary PDF of Sixth Printing, Errata as of November 10, 2017 Reported by ACI Committee 318 17.4.2.2 The basic concrete breakout strength of a single anchor in tension in cracked concrete, Nb, shall not exceed Nb = kc acfhef 1.5 (17.4.2.2a) where kc = 10 24 for cast-in anchors and 7 17 for post-installed anchors. The value of kc for post-installed anchors shall be permitted to be increased above 7 17 based on ACI 355.2 or ACI 355.4 product-specific tests, but shall not exceed 1024.
