Section 508C — ALLOWABLE DESIGN VALUES
508C.2 Masonry shear.
San Francisco Building Inspection Commission Codes · edición 2022 · actualizado 2026-07-08 · San Francisco
Esta sección aún no está traducida y se muestra en inglés.
508C.2 Masonry shear. The allowable unreinforced masonry shear stress, va shall be determined for each masonry class from the following equation:
va = 0.1vt + 0.15PD/A (5C-2)
The mortar shear test value, vt, shall be determined in accordance with Section 506C.3.3, and shall not exceed 100 psi (689.476 kPa) for the determination of va.
The one-third increase in allowable values of this code for short-term loading is not allowed for va.