March 17, 2016
Recent research have shown that unsealed metallized faying surfaces used in high strength bolted connections provide higher slip resistance than specified values for uncoated blast-cleaned Class B surfaces in North American design standards (Chiza and al. 2013; Ampleman and al. 2015; FHWA 2014). These studies followed the recommended procedure in the Research Council on Structural Connections Specification for Structural Joints Using High-Strength Bolts (RCSC 2014).
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