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Earlier editions: 20222019

Chapter 21A — MASONRY

2108A Strength Design of Masonry — 2025 California Building Code

California Building Code (Title 24, Part 2) · 2025 edition · updated 2026-09-25 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

Cite as: 2025 California Building Code (Title 24, Part 2) § 2108A · Effective January 1, 2026 · Official source: Building Standards Commission

2108 A .1 General. The design of masonry structures using strength design shall comply with Section 2106 and the requirements of Chapters 1 through 7 and Chapter 9 of TMS 402, except as modified by Sections 2108 A .2 through 2108 A .3.

2108 A .2 TMS 402, Section 6.1.6, development. Add a second paragraph to Section 6.1.6 as follows:

The required development length of reinforcement need not be greater than 72 d b .

2108 A .3 TMS 402, Section 6.1.6.1.1, splices. Add to Sections 6.1.7.2.1 and 6.1.7.3.1 as follows:

6.1.7.3.1 – Welded splices shall not be permitted in plastic hinge zones of intermediate or special reinforced walls.

6.1.7.2.1 – Mechanical splices shall be classified as Type 1 or 2 in accordance with Section 18.2.7.1 of ACI 318. Type 1 mechanical splices shall not be used within a plastic hinge zone or within a beam-column joint of intermediate or special reinforced masonry shear walls. Type 2 mechanical splices are permitted in any location within a member.

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▸Contents — California Building Code (Title 24, Part 2)
California Building Code (Title 24, Part 2)

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