508C.2 Masonry shear.

San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco

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.

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