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Chapter 19 — CONCRETE

1902 Coordination of Terminology — 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) § 1902 · Effective January 1, 2026 · Official source: Building Standards Commission

1902.1 General.

Coordination of terminology used in ACI 318 and ASCE 7 shall be in accordance with Section 1902.1.1.

1902.1.1 Design displacement. Design displacement shall be the Design Earthquake Displacement, δ DE, defined in ASCE 7 Section 12.8.6.3. For diaphragms that can be idealized as rigid in accordance with ASCE 7 Section 12.3.1.2, δ di, displacement due to diaphragm deformation corresponding to the design earthquake, is permitted to be taken as zero.

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

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