ACI CODE-318.2-25: Building Code for Concrete Thin Shells—Code Requirements and Commentary

Description

This document governs the design of thin shell concrete structures. Where required for design of thin shell concrete structures, provisions of ACI CODE-318 are to be used to complement the provisions of this Code.

Keywords:

folded plates; inelastic analysis; ribbed shells; thin shells

Document Details

Author: ACI Committee 318

Publication Year: 2025

Pages: 15

ISBN: 9781641952736

Formats: Protected PDF/Web View

Table of Contents

PREFACE, p. 2

CHAPTER 1—SCOPE, p. 3

1.1—Scope, p. 3

1.2, p. 3

1.3, p. 3

CHAPTER 2—GENERAL, p. 3

2.1—Terminology, p. 3

2.2—Materials, p. 4

2.3—Connection to other members, p. 5

2.4—Stability, p. 5

CHAPTER 3—DESIGN LIMITS, p. 6

3.1—Minimum thickness, p. 6

3.2, p. 6

3.3—Stress limits in prestressed shells, p. 6

CHAPTER 4—REQUIRED STRENGTH, p. 6

4.1—General, p. 6

4.2—Factored moment, p. 8

4.3—Factored shear, p. 8

CHAPTER 5—DESIGN STRENGTH, p. 8

5.1—General, p. 8

5.2—Membrane forces, moment, and shear, p. 8

CHAPTER 6—REINFORCEMENT LIMITS, p. 10

6.1—Minimum reinforcement in nonprestressed shells, p. 10

6.2—Minimum reinforcement in prestressed shells, p. 10

CHAPTER 7—REINFORCEMENT DETAILING, p. 11

7.1—General, p. 11

7.2—Specified concrete cover, p. 11

7.3—Development and splices in reinforcement, p. 12

7.4—Reinforcement spacing, p. 13

7.5—Reinforcement placement, p. 13

CHAPTER 8—CONSTRUCTION, p. 13

8.1—Construction and inspection requirements, p. 13

8.2—Design information, p. 13

8.3—Compliance requirements, p. 13

COMMENTARY REFERENCES, p. 14

Authored documents, p. 14

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