Suite of Codes
ACI offers a suite of concrete knowledge with a wide range of individual codes available via print or digital download and can be found online in the ACI store.
The American Concrete Institute (ACI) offers dozens of codes that help design professionals create quality concrete projects around the world.
Covering topics such as structural concrete design; concrete repair; precast concrete; seismic anaylsis; residential concrete and more, ACI codes are developed through a consensus process that has produced dependable standards for over 100 years.
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ACI Codes
ACI-TMS CODE-122.1-21
Thermal Bridge Mitigation for Buildings Having Concrete and Masonry Walls and Masonry Veneer-Code Requirements and Commentary
Document Details
This code prescribes minimum design and construction requirements for mitigating thermal bridges in the building envelopes of new buildings and additions to existing buildings. It applies to buildings having concrete or masonry walls; masonry veneer, including veneer attached to frame walls; and balconies or components that extend through the building envelope. It also has criteria for metal thermal bridges in these buildings.
Author: ACI-TMS Committee 122
Publication Year: 2022
Pages: 20
Categories: Codes
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ACI-TMS CODE-122.2-24
Thermal Properties of Concrete and Masonry for Use in Determining Energy Code Compliance for Low-Rise Residential Buildings—Code Requirements and Commentary
Document Details
This Code prescribes minimum design and construction requirements for energy efficiency of building envelopes of new buildings and additions to buildings. It applies to buildings having concrete walls, roofs, or floors; masonry walls; and masonry veneer, including veneer attached to frame walls as part of the building envelope. It also provides minimum thermal properties for these assemblies for code compliance. This Code is applicable to low-rise residential buildings that use either electricity from any generation source or fossil fuel. It can be used with applicable energy codes and standards such as the International Energy Conservation Code (IECC).
Author: Joint ACI-TMS Committee 122
Publication Year: 2024
Pages: 112
Categories: Codes
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ACI-TMS CODE-122.3-24
Thermal Properties of Concrete and Masonry for Use in Determining Energy Code Compliance Except for Low-Rise Residential Buildings—Code Requirements and Commentary
Document Details
This Code prescribes minimum design and construction requirements for energy efficiency of building envelopes of new buildings and additions to buildings. It applies to buildings having concrete walls, roofs, or floors; masonry walls; and masonry veneer, i ncluding veneer attached to frame walls as part of the building envelope. It also provides minimum thermal properties for these assemblies for code compliance.
This Code is applicable to commercial and mid- to high-rise residential buildings that use either electricity from any generation source or fossil fuel. It can be used with applicable energy codes and standards such as ASHRAE 90.1 and the International Energy Conservation Code (IECC).
Author: Joint ACI-TMS Committee 122
Publication Year: 2024
Pages: 111
Categories: Codes
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ACI CODE-216.1-14(19)
Code Requirements for Determining Fire Resistance of Concrete and Masonry Construction Assembles
Document Details
Fire resistance building elements is an important consideration in building design. While structural design considerations for concrete and masonry at ambient temperature conditions are addressed by ACI 318 and TMS 402/ACI 530/ASCE 5, respectively, these codes do not consider the impact of fire on concrete and masonry construction.
Publication Year: 2014 (Reapproved 2019)
Author: Joint ACI/TMS Committee 216
Pages: 28
Categories: Codes, Fire Resistance
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ACI CODE-307-23
Requirements for Reinforced Concrete Chimneys—Code and Commentary
Document Details
This Code provides material, design, and detailing requirements for cast-in-place and precast reinforced concrete chimneys. It sets forth minimum loadings for design and contains methods for determining the concrete and reinforcement required to obtain the strength required by the loadings. The methods of analysis apply primarily to circular chimney walls, but guidance is included for applying the general principles to noncircular chimney walls.
Author:ACI Committee 307
Publication Year: 2023
Pages:79
Categories: Codes
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ACI CODE-313-16
Design Specification for Concrete Silos and Stacking Tubes for Storing Granular Materials and Commentary
Document Details
This Design Specification provides material, design, and construction requirements for concrete silos, stave silos, and stacking tubes for storing granular materials, including design and construction requirements for cast-in-past or precast and conventionally reinforced or post-tensioned silos.
Author: Joint ACI/TMS Committee 313
Publication Year: 2016
Pages: 64
Categories: Codes, Shear, Silos
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ACI CODE-318-11
Building Code Requirements for Structural Concrete and Commentary
Document Details
The "Building Code Requirements for Structural Concrete" ("Code") covers the materials, design, and construction of structural concrete used in buildings and where applicable in non-building structures. The Code also covers the strength evaluation of existing concrete structures.
Author: ACI Committee 318
Publication Year: 2011
Pages: 503
Categories: Codes, Design
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ACI CODE-318-14
Building Code Requirements for Structural Concrete and Commentary
Document Details
The "Building Code Requirements for Structural Concrete" ("Code") provides minimum requirements for the materials, design, and detailing of structural concrete buildings and, where applicable, non-building structures. Technical changes from ACI 318-11 to ACI 318-14 are outlined in the May 2014 issue of Concrete International.
Author: ACI Committee 318
Publication Year: 2014
Pages: 520
Categories: Codes
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ACI CODE-318-19(22)
Building Code Requirements for Structural Concrete and Commentary (Reapproved 2022)
Document Details
The "Building Code Requirements for Structural Concrete" ("Code") provides minimum requirements for the materials, design, and detailing of structural concrete buildings and, where applicable, non-building structures. The Code was substantially reorganized and reformatted in 2014, and this Code continues and expands that same organizational philosophy.
Author: ACI Committee 318
Publication Year: 2019 (Reapproved 2022)
Pages: 624
Categories: Codes
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ACI CODE-318.2-14
Building Code Requirements for Concrete Thin Shells (ACI 318.2-19) and Commentary
Document Details
This document governs the design of thin shell concrete structures, previously presented in ACI 318-11 Chapter19. Where required for design of thin shell concrete structures, provisions of ACI 318 are to be used to compliment the provisions of this Code.
Author: ACI Committee 318
Publication Year: 2014
Pages: 12
Categories: Codes, Design
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ACI CODE-318.2-19
Building Code Requirements for Concrete Thin Shells (ACI 318.2-19) and Commentary
Document Details
This document governs the design of thin shell concrete structures. Where required for design of thin shell concrete structures, provisions of ACI 318 are to be used to compliment the provisions of this Code.
Author: ACI Committee 318
Publication Year: 2019
Pages: 16
Categories: Codes
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ACI CODE-318.2-25
Building Code for Concrete Thin Shells - Code Requirements and Commentary
Document Details
This code prescribes minimum design and construction requirements for mitigating thermal bridges in the building envelopes of new buildings and additions to existing buildings. It applies to buildings having concrete or masonry walls; masonry veneer, including veneer attached to frame walls; and balconies or components that extend through the building envelope. It also has criteria for metal thermal bridges in these buildings.
Author: ACI Committee 318
Publication Year: 2025
Pages: 15
Categories: Codes
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ACI CODE-323-24
Low-Carbon Concrete - Code Requirements and Commentary
Document Details
“Low-Carbon Concrete—Code Requirements and Commentary” (“Code”) provides provisions for concrete where reduced global warming potential (GWP) is required. The Code was developed by a consensus process and addresses cast-in-place concrete with specified compressive strength greater than 2500 psi and less than or equal to 8000 psi. Precast concrete, tremie concrete, auger-cast concrete/grout, shotcrete, pavers, and masonry units are not included in the scope of the Code. This is the first edition of the Code and the scope is limited by the available benchmark data. Future editions of the Code will be broader in scope as data beyond strength benchmarks and for other types of concrete becomes available.
The Code may be adopted as a stand-alone code or can be used in combination with a structural design code or low-carbon material code adopted by an authority having jurisdiction. The Code is in a format that allows reference to a set of chapters based on the structure type. Adoption would include all of Chapters 1 to 4, the applicable Chapter(s) of 5, 6, 7, and/or 8, plus Appendix A. This Code is written in a format that allows reference without change to its language. Therefore, background details or suggestions for carrying out the requirements or intent of the Code provisions cannot be included with the Code itself. The Commentary is provided for this purpose.
Author: ACI Committee 323
Publication Year: 2024
Pages: 25
Categories: Codes
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ACI CODE-332-20
Code Requirements for Residential Concrete and Commentary
Document Details
This code covers the design and construction of cast-in-place concrete for one- and two-family dwellings and multiple single-family dwellings (townhouses), and their accessory structures. This code is written to allow for reference by adoption in a general building code without changing its language. Background details or suggestions for carrying out the requirements or intent of the code are provided in the commentary. The commentary discusses some of the considerations of the committee in developing the code with emphasis given to the explanation of provisions that may be unfamiliar to code users or where significant departure exists from other concrete codes.
Author: ACI Committee 332
Publication Year: 2020
Pages: 72
Categories: Codes
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ACI CODE-349-13
Code Requirements for Nuclear Safety-Related Concrete Structures and Commentary
Document Details
This standard covers the proper design and construction of concrete structures that form part of a nuclear power plant and that have nuclear safety-related functions, but does not cover concrete reactor vessels and concrete containment structures (as defined by Joint ACI-ASME Committee 359). The format of this Code is based on the “Building Code Requirements for Structural Concrete (ACI 318-08)” and incorporates recent revisions of that standard.
Author: ACI Committee 349
Publication Year: 2014
Pages: 196
Categories: Codes, Nuclear
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ACI CODE-349-23
Nuclear Safety-Related Concrete Structures—Code Requirements and Commentary
Document Details
This Code covers the design and construction of concrete structures that form part of a nuclear facility and that have nuclear safety-related functions but does not cover concrete reactor vessels and concrete containment structures, as defined by ASME BPVC Section III Division 2:2019, or steel-plate composite walls and steel-plate composite slabs, as defined by ANSI/AISC N690.
The format of this Code is such that it depends on the “Building Code Requirements for Structural Concrete (ACI CODE-318-14)” and should be used in conjunction with that Code. Unless otherwise stated, all instances of ACI 318 are referring to ACI CODE-318-14. When searching for subsections, tables, and figures in this Code, first refer to the main section of this Code to see if it is included and to find potential exceptions to the corresponding subsection, table or figure in ACI-318.
The Commentary, which is presented after the Code, discusses some of the considerations of ACI Committee 349 in developing “Code Requirements for Nuclear Safety-Related Concrete Structures (ACI 349).” This information is provided in the Commentary because the Code is written as a legal document and therefore cannot present background details or suggestions for carrying out its requirements.
Author: ACI Committee 349
Publication Year: 2024
Pages: 173
Categories: Codes
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ACI CODE-350M-06
Code Requirements for Environmental Engineering Concrete Structures and Commentary (Metric)
Document Details
The code portion of this document covers the structural design, materials selection, and construction of environmental engineering concrete structures. Such structures are used for conveying, storing, or treating liquid or other materials such as solid waste. They include ancillary structures for dams, spill-ways, and channels. The commentary discusses some of the considerations of the committee in developing the ACI 350M Code, and its relationship with ACI 318M. Emphasis is given to the explanation of provisions that may be unfamiliar to some users of the code.
Author: ACI Committee 350
Publication Year: 2008
Pages: 485
Categories: Codes, Environmental
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ACI CODE-350.3-20
Code Requirements for Seismic Analysis and Design of Liquid-Containing Concrete Structures (ACI 350.3-20) and Commentary
Document Details
This Code prescribes procedures for the seismic analysis and design of liquid-containing concrete structures. These procedures address the loading side of seismic design and are intended to complement Section 1.1.9 and Chapter 13 of ACI 350-20.
Author: ACI Committee 350
Publication Year: 2021
Pages: 52
Categories: Codes
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ACI CODE-355-21
Qualification of Post-Installed Adhesive Anchors in Concrete and Commentary
Document Details
This standard prescribes testing programs and evaluation requirements for post-installed adhesive anchors intended for use in concrete under the design provisions of ACI 318. Testing and assessment criteria are provided for various conditions of use, including seismic loading; sustained loading; aggressive environments; reduced and elevated temperatures; and for determining whether anchors are acceptable for use in uncracked concrete only, or acceptable for service both in cracked and uncracked concrete.
Author: ACI Committee 355
Publication Year: 2021
Pages: 51
Categories: Codes
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ACI CODE-355.2-22
Post-Installed Mechanical Anchors in Concrete--Qualification Requirements and Commentary
Document Details
ACI CODE-355.2 prescribes testing programs and evaluation requirements for post-installed mechanical anchors intended for use in structural applications addressed by ACI 318 and subjected to static or seismic loads in tension, shear, or combined tension and shear. Criteria are prescribed for determining whether anchors are acceptable for use in uncracked concrete only, or in cracked as well as uncracked concrete.
Author: ACI Committee 355
Publication Year: 2022
Pages: 102
Categories: Codes
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ACI CODE-355.2-24
Post-Installed Mechanical Anchors in Concrete—Qualification Requirements and Commentary
Document Details
This Code prescribes testing programs and evaluation requirements for post-installed mechanical anchors intended for use in structural applications addressed by ACI CODE-318 and subjected to static or seismic loads in tension, shear, or combined tension and shear. Criteria are prescribed for determining whether anchors are acceptable for use in uncracked concrete only, or in cracked as well as u ncracked concrete. Performance categories for anchors are established, as are the criteria for assigning anchors to each category. The anchor performance categories are used by ACI CODE-318 to assign capacity reduction factors and other design parameters.
Author: ACI Committee 355
Publication Year: 2024
Pages: 118
Categories: Codes
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ACI CODE-355.4-24
Post-Installed Adhesive Anchors in Concrete - Qualification Requirements and Commentary
Document Details
This Code prescribes testing programs and evaluation requirements for post-installed adhesive anchors intended for use in concrete under the design provisions of ACI CODE-318-25. Testing and assessment criteria are provided for various conditions of use, including seismic loading; sustained loading; aggressive environments; reduced and elevated temperatures; and for determining whether anchors are acceptable for use in uncracked concrete only, or acceptable for service both in cracked and uncracked concrete. Criteria are provided for establishing the characteristic bond strength, reductions for adverse conditions, and the anchor category and associated jobsite quality control requirements.
Author: ACI Committee 355
Publication Year: 2024
Pages: 127
Categories: Codes
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ACI CODE-355.5-24
Post-Installed Reinforcing Bar Systems in Concrete—Qualification Requirements and Commentary
Document Details
This Code prescribes testing programs and evaluation requirements for post-installed reinforcing bars intended for use in concrete under the straight-bar development and splice length design provisions of ACI CODE-318. Testing and assessment criteria are provided for various conditions of use, including seismic loading, sustained loading, aggressive environments, and reduced and elevated temperatures. Criteria are provided for establishing the required characteristic bond strength, reductions for adverse conditions, and associated job-site quality control requirements.
Author: ACI Committee 355
Publication Year: 2024
Pages: 89
Categories: Codes
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ACI CODE-369.1-22
Seismic Evaluation and Retrofit of Existing Concrete Buildings-Code and Commentary
Document Details
This code provides retrofit and rehabilitation criteria for reinforced concrete buildings based on results from the most recent research on the seismic performance of existing concrete buildings. The intent of this code is to provide provisions related to concrete material and concrete members, including material testing criteria, modeling parameters, and acceptance criteria for use within the ASCE 41 framework, similar to how the National Earthquake Hazards Reduction Program (NEHRP) Recommended Seismic Provisions produced by the Federal Emergency Management Agency (FEMA) (FEMA 450) have served as source documents for the International Building Code (IBC) and its predecessor building codes. Starting in the 2023 edition, ASCE 41 references ACI 369.1 directly for concrete-related provisions. Chapter and section numbers of ASCE 41 cited in ACI 369.1 correspond to ASCE 41-17 unless otherwise noted.
Author: ACI Committee 369
Publication Year: 2023
Pages: 125
Categories: Codes
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ACI CODE-374.1-05(19)
Acceptance Criteria for Moment Frames Based on Structural Testing and Commentary
Document Details
This document defines the minimum experimental evidence that can be deemed adequate to attempt to validate the use, in regions of high seismic risk or in structures assigned to satisfy high seismic performance or design categories, of weak beam/strong column moment frames not satisfying fully the prescriptive requirements of Chapter 21 of ACI 318-99. This document consists of both a Standard and a Commentary that is not part of the Standard. The document has been written in such a form that its various parts can be adopted directly into Sections 21.0, 21.1, and 21.2.1 of ACI 318-99 and the corresponding sections of ACI 318R-99.
Author: ACI Committee 374
Publication Year: 2005
Pages: 9
Categories: Codes, Seismic & Lateral Forces
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ACI CODE-376-23
Refrigerated Liquefied Gas Containment for Concrete Structures—Code Requirements and Commentary
Document Details
This code provides minimum requirements for design and construction of reinforced concrete and prestressed concrete structures for the storage and containment of refrigerated liquefied gases (RLG) with service temperatures between +40 and –325°F. The principles listed herein are applicable to concrete foundations of double-steel tanks subject to the approval of the owner.
Container design shall include the design of the container wall, its foundation (footing and floor slab), the concrete portions of its roof, and the bund wall, whenever applicable. Available in hard copy or electronic format.
Author:ACI Committee 3076S
Publication Year: 2023
Pages:177
Categories: Codes
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ACI CODE-440.11-22
Building Code for Structural Concrete Reinforced with Glass Fiber-Reinforced (Polymer (GFRP) Bars-Code and Commentary
Document Details
This Code was developed by an ANSI-approved consensus process and addresses structural systems, members, and connections, including cast-in-place, precast, nonprestressed, and composite construction. The “Building Code Requirements for Structural Concrete Reinforced with Glass Fiber-Reinforced Polymer (GFRP) Bars” (“Code”) provides minimum requirements for the materials, design, and detailing of structural concrete buildings and, where applicable, nonbuilding structures reinforced with GFRP bars that conform to the requirements of ASTM D7957-22.
Author: ACI Committee 440
Publication Year: 2023
Pages: 260
Categories: Codes
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ACI CODE-530/530.1-13
Building Code Requirements and Specification for Masonry Structures and Companion Commentaries
Document Details
ACI 530/530.1-13, “Building Code Requirements and Specification for Masonry Structures and Companion Commentaries,” is a joint document between ACI, The Masonry Society (TMS), and the American Society of Civil Engineers (ASCE). Beginning with the 2016 edition of this document, TMS is solely responsible for the development of this document. The 2016 edition can be purchased through the ACI Store, as well as other historical editions.
Author: Joint ACI/ASCE/TMS
Publication Year: 2013
Pages: 319
Categories: Codes, Masonry
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ACI CODE-440.13-24
Strengthening Structural Concrete with Fiber-Reinforced Polymer (FRP) Systems—Code Requirements and Commentary
Document Details
This Code prescribes minimum design and construction requirements for energy efficiency of building envelopes of new buildings and additions to buildings. It applies to buildings having concrete walls, roofs, or floors; masonry walls; and masonry veneer, including veneer attached to frame walls as part of the building envelope. It also provides minimum thermal properties for these assemblies for code compliance.
This Code applies to commercial and mid- to high-rise residential buildings that use either electricity from any generation source or fossil fuel. It can be used with applicable energy codes and standards such as ASHRAE 90.1 and the International Energy Conservation Code (IECC).
Author: ACI Committee 440S
Publication Year: 2024
Pages: 57
Categories: Codes
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ACI CODE-550.3-13
Design Specification for Unbonded Post-Tensioned Precast Concrete Special Moment Frames Satisfying ACI 374.1 (Reapproved 2022)
Document Details
ACI 530/530.1-13, “Building Code Requirements and Specification for Masonry Structures and Companion Commentaries,” is a joint document between ACI, The Masonry Society (TMS), and the American Society of Civil Engineers (ASCE). Beginning with the 2016 edition of this document, TMS is solely responsible for the development of this document. The 2016 edition can be purchased through the ACI Store, as well as other historical editions.
Author: Joint ACI-ASCE Committee 550
Publication Year: 2022
Pages: 28
Categories: Codes, Precast Concrete
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ACI CODE-550.4-18
Qualification of Precast Concrete Diaphragm Connections and Reinforcement at Joints for Earthquake Loading (ACI 550.4-18) and Commentary
Document Details
This document prescribes testing and evaluation requirements for mechanical connections and reinforcement at joints intended for use under the design provisions of ASCE/SEI 7 and ACI 318 for precast concrete diaphragms subject to earthquake loading. These mechanical connections and reinforcement at joints transfer the vertical and in-plane forces between the precast concrete members that comprise the diaphragm, and between the diaphragm and vertical elements of the seismic-force-resisting system of the structure.
Author: ACI Committee 550
Publication Year: 2018
Pages: 18
Categories: Codes, Precast Concrete
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ACI CODE-550.5-18
Code Requirements for the Design of Precast Diaphragms for Earthquake Motions (ACI 550.5) and Commentary (ACI 550.5R)
Document Details
This standard describes code requirements for the design of precast concrete diaphragms subject to earthquake motions where used under the design provisions of ASCE/SEI 7-16 Section 12.10.3 and ACI 318. The response of precast concrete diaphragms under earthquake motions depends primarily on the strength, stiffness, and deformation capacities of the connectors and the reinforcement at joints between the precast concrete members.
Author: Joint ACI-ASCE Committee 550
Publication Year: 2018
Pages: 24
Categories: Codes, Precast Concrete
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ACI CODE-550.5M-18
Code Requirements for the Design of Precast Diaphragms for Earthquake Motions (Metric)
Document Details
This standard describes code requirements for the design of precast concrete diaphragms subject to earthquake motions where used under the design provisions of ASCE/SEI 7-16 Section 12.10.3 and ACI 318. The response of precast concrete diaphragms under earthquake motions depends primarily on the strength, stiffness, and deformation capacities of the connectors and the reinforcement at joints between the precast concrete members.
Author: ACI Committee 550
Publication Year: 2018
Pages: 214
Categories: Codes, Precast Concrete
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ACI CODE-550.6-19
Acceptance Criteria for Special Unbonded Post-Tensioned Precast Structural Walls Based on Validation Testing and Commentary
Document Details
This document applies to structures in regions of high seismic risk or to structures assigned to high seismic performance or design categories. It defines the minimum experimental evidence that can be deemed to satisfy the use of unbonded post-tensioned precast structural walls (shear walls) for bearing wall and building frame special reinforced concrete shear wall systems, as defined in ASCE/SEI 7-10, when those walls do not fully satisfy the intent of the prescriptive requirements of Chapter 18 of ACI 318-14.
Author: ACI Innovation Task Group 5
Publication Year: 2019
Pages: 20
Categories: Codes
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ACI CODE-550.7-19
Requirements for Design of a Special Unbonded Post-Tensioned Precast Shear Wall Satisfying ACI 550.6 and Commentary
Document Details
This standard defines procedures that may be used to design special precast concrete shear walls, coupled or uncoupled, composed of discretely jointed precast panels that are vertically post-tensioned to the foundation with unbonded tendons. Such walls are suitable for use in regions of high seismicity and for structures assigned to high seismic design categories.
Author: ACI Innovation Task Group 5
Publication Year: 2019
Pages: 20
Categories: Codes
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ACI CODE-562-21
Assessment, Repair, and Rehabilitation of Existing Concrete Structures - Code and Commentary
Document Details
ACI CODE-562-21, “Assessment, Repair and Rehabilitation of Existing Concrete Structures—Code Requirements and Commentary,” was developed to provide design professionals a code for the assessment of the damage and deterioration, and the design of appropriate repair and rehabilitation strategies. The Code provides minimum requirements for assessment, repair, and rehabilitation of existing structural concrete buildings, members, systems and, where applicable, nonbuilding structures. ACI CODE-562-21 was specifically developed to work with the International Existing Building Code (IEBC) or to be adopted as a stand-alone code.
Author: ACI Committee 562
Publication Year: 2021
Pages: 88
Categories: Codes
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