606.12.4.2 Design of Elements Part of the Lateral-Forceresisting System
Stack bond masonry that is part of the lateral-force-resisting system shall have a horizontal cross-sectional area of reinforcement of at least 0.0025 times the gross cross-sectional area of masonry. Table 606.12.4.2 shows minimum reinforcing bar sizes for masonry walls. The maximum spacing of horizontal reinforcement shall be 16 inches (406 mm). These elements shall be solidly grouted and shall be constructed of hollow open-end units or two wythes of solid units.
|NOMINAL WALL THICKNESS|
|MINIMUM BAR SIZE |
SPACED AT 16 INCHES