318-95/318-95: Building Code Requirements for Structural Concrete & Commentary

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The ACI 318-95 provides engineers and designers with a wealth of information that cannot be found elsewhere. All Code chapters have been updated. The most notable change in the new Code is that references to "reinforced concrete" have been changed to "structural concrete." This modernizes the Code and reflects changes in the state-of-the-art. Chapter 16 titled Precast Concrete has been rewritten to provide detailed requirements for structural integrity. Also, a new Chapter 22 has been created which contains the ACI 318.1, Building Code Requirements for Structural Plain Concrete. Additional major changes include: expanded guidance for slender columns, new provisions for torsional design of reinforced and prestressed concrete, a simplified equation for development length of deformed bars and deformed wires in tension, and an expanded chapter for precast concrete. Included are contractor responsibilities for developing shoring and reshoring plans. Two new appendixes are introduced. The first concerns unified design provisions for reinforced and prestressed concrete flexural and compression members; the second specifies a set of new strength reduction factors compatible with the ASCE 7 load factor combinations. Throughout the Code the use of permissive language has been minimized. The relation of the ACI 318-95 Code to the legally-adopted general building code is clarified. The combination of the Code and Commentary under on cover provides an easy to use format. The commentary presents and explanation of new or revised provisions that may be unfamiliar to code users. Both are printed in parallel columns, with the commentary sections adjacent to the corresponding Code sections.


Document Details

Author: ACI Committee 318

Publication Year: 2017

Pages: 369

ISBN: 9780870314520

Categories: Codes, Design

Formats: Protected PDF/Web View

This document is Historical

Table of Contents


Chapter 1 - General Requirements

1.1 Scope

1.2 Drawings and specifications

1.2 Inspection

1.4 Approval of special systems of design or construction

Chapter 2 - Definitions


Chapter 3 - MATERIALS

3.0 Notation

3.1 Tests of materials

3.2 Cements

3.3 Aggregates

3.4 Water

3.5 Metal reinforcements

3.6 Admixtures

3.7 Storage of materials

3.8 Standards cited in this code


Chapter 4 - Durability Requirements

4.0 Notation

4.1 Water-cementitious materials

4.2 Freezing and thawing exposures

4.3 Sulfate exposures

4.4 Corrosion protection of reinforcement

Chapter 5 - Concrete Quality, Mixing, and Placing

5.0 Notation

5.1 General

5.2 Selection of concrete proportions

5.3 Proportioning on the basis of field experience and/or trial mixtures

5.4 Proportioning by water-cementitious materials ratio

5.5 Average strength reduction

5.6 Evaluation and acceptance of concrete

5.7 Preparation of equipment and place of deposit

5.8 Mixing

5.9 Conveying

5.10 Depositing

5.11 Curing

5.12 Cold weather requirements

5.13 Hot weather requirements

Chapter 6 - Formwork, Embedded Pipes, and Construction Joints

6.1 Design of formwork

6.2 Removal of forms and shores

6.3 Conduits and pipes embedded in concrete

6.4 Construction joints

Chapter 7 - Details Of Reinforcement

7.0 Notation

7.1 Standard hooks

7.2 Minimum bend diameters

7.3 Bending

7.4 Surface conditions of reinforcement

7.5 Placing reinforcement

7.6 Spacing limits for reinforcement

7.7 Concrete protection for reinforcement

7.8 Special reinforcement details for columns

7.9 Connections

7.10 Lateral reinforcement for compression members

7.11 Lateral reinforcement for flexural members

7.12 Shrinkage and temperature reinforcement

7.13 Requirements for structural integrity


Chapter 8 - Analysis And Design - General Considerations

8.0 Notation

8.1 Design methods

8.2 Loading

8.3 Methods of analysis

8.4 Redistribution of negative moments in continuous nonprestressed flexural members

8.5 Modulus of elasticity

8.6 Stiffness

8.7 Span length

8.8 Columns

8.9 Arrangement of live load

8.10 T-beam construction

8.11 Joist construction

8.12 Separate floor finish

Chapter 9 - Strength and Serviceability Requirements

9.0 Notation

9.1 General

9.2 Required strength

9.3 Design Strength

9.4 Design Strength for reinforcement

9.5 Control of deflections

Chapter 10 - Flexure and Axial Loads (Retaining Walls are designed

according to the flexural design provisions of this chapter)

10.0 Notation

10.1 Scope

10.2 Design assumptions

10.3 General principles and requirements

10.4 Distance between lateral supports of flexural members

10.5 Minimum reinforcement of flexural members

10.6 Distribution of flexural reinforcement in beams and one way slabs

10.7 Deep flexural members

10.8 Design dimensions for compression members

10.9 Limits for reinforcement of compression members

10.10 Slenderness effects in compression members

10.11 Magnified moments - General

10.12 Magnified moments - Non-sway frames

10.13 Magnified moments - Sway frames

10.14 Axially loaded members supporting slab system

10.15 Transmission of column loads through floor system

10.16 Composite compression members

10.17 Bearing strength

Chapter 11 - Shear and Torsion

11.0 Notation

11.1 Shear strength

11.2 Lightweight concrete

11.3 Shear strength provided by concrete for nonprestressed members

11.4 Shear strength provided by concrete for prestressed members

11.5 Shear strength provided by shear reinforcement

11.6 Combined shear and torsion strength for nonprestressed

members with rectangular or flanged sections

11.7 Shear-friction

11.8 Special provision for deep flexural members

11.9 Special provisions for brackets and corbels

11.10 Special provisions for brackets and corbels

11.11 Transfer of moments to columns

11.12 Special provisions for slabs and footings

Chapter 12 - Development and Splices of Reinforcement

12.0 Notation

12.1 Development of reinforcement - general

12.2 Development of deformed bars and deformed wire in tension

12.3 Development of deformed bars

12.4 Development of bundled bars

12.5 Development of standard hooks in tension

12.6 Mechanical anchorage

12.7 Development of welded deformed wire fabric in tension

12.8 Development of welded plain wire fabric in tension

12.9 Development of prestressing strand

12.10 Development of flexural reinforcement - general

12.11 Development o positive moment reinforcement

12.12 Development of negative moment reinforcement

12.13 Development of web reinforcement

12.14 Splices of reinforcement - General

12.15 Splices of deformed bars and deformed wire in tension

12.16 Splices of deformed bars in compression

12.17 Special splice requirements for columns

12.18 Splices of welded deformed wire fabric in tension

12.19 Splices of welded plain wire fabric in tension


Chapter 13 - Two Way Slab Systems

13.0 Notation

13.1 Scope

13.2 Definitions

13.3 Design procedures

13.4 Slab reinforcement

13.5 Openings in slab systems

13.6 Direct design method

13.7 Equivalent frame method

Chapter 14 - Walls

14.0 Notation

14.1 Scope

14.2 General

14.3 Minimum reinforcement

14.4 Walls designed as compression members

14.5 Empirical design method

14.6 Nonbearing walls

14.7 Walls as grade beams

Chapter 15 - Footings

15.0 Notation

15.1 Scope

15.2 Loads and reactions

15.3 Footings supporting circular or regular polygon shaped columns or pedestals

15.4 Moment in footings

15.5 Shear in footings

15.6 Development of reinforcement in footings

15.7 Minimum footing depth

15.8 Transfer of force at base of column, wall, or reinforced pedestal

15.9 Sloped or stepped footings

15.10 Combined footings and mats

Chapter 16 - Precast Concrete

16.0 Notation

16.1 Scope

16.2 General

16.3 Distribution of forces among members

16.4 Member design

16.5 Structural integrity

16.6 Connection and bearing design

16.7 Items embedded after concrete placement

16.8 Marking and identification

16.9 Handling

16.10 Strength evaluation of precast construction

Chapter 17 - Composite Concrete Flexural Members

17.0 Notation

17.1 Scope

17.2 General

17.3 Shoring

17.4 Vertical shear strength

17.5 Horizontal shear strength

17.6 Ties for horizontal shear

Chapter 18 - Prestressed Concrete

18.0 Notation

18.1 Scope

18.2 General

18.3 Design assumptions

18.4 Permissible stresses in concrete - flexural members

18.5 Permissible stress in prestressing tendons

18.6 Loss of prestress

18.7 Flexural strength

18.8 Limits for reinforcement of flexural members

18.9 Minimum bonded reinforcement

18.10 Statically indeterminate structures

18.11 Compression members - combined flexure and axial loads

18.12 Slab systems

18.13 Tendon anchorage zones

18.14 Corrosion protection for unbonded prestressing tendons

18.15 Post tensioning ducts

18.16 Grout for bonded prestressing tendons

18.17 Protection for prestressing tendons

18.18 Application and measurement of prestressing force

18.19 Post-tensioning anchorages and couplers

Chapter 19 - Shells and Folded Plate Members

19.0 Notation

19.1 Scope and definitions

19.2 Analysis and design

19.3 Design strength of materials

19.4 Shell reinforcement

19.5 Construction


Chapter 20 - Strength Evaluation of Existing Structures

20.0 Notation

20.1 Strength evaluation - general

20.2 Analytical investigations - general

20.3 Loads tests - general

20.4 Load tests of flexural members

20.5 Members other than flexural members

20.6 Provision for lower load rating

20.7 Safety

Chapter 21 - Special Provisions for Seismic Design

21.1 Definitions

21.2 General requirements

21.3 Flexural members of frames

21.4 Frame members subjected to bending and axial load

21.5 Joints of frames

21.6 Structural walls, diaphragms, and trusses

21.7 Frame members not proportioned to resist forces inducted by earthquake motions

21.8 Requirements for frames in regions of moderate seismic risk


Chapter 22 - Structural Plain Concrete (Replaces 318.1)

22.0 Notation

22.1 Scope

22.2 Limitations

22.3 Joints

22.4 Design method

22.5 Strength design

22.6 Walls

22.7 Footings

22.8 Pedestals

22.9 Precast members


Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the ACI Collection. For a listing of and access to all product errata, visit the Errata page.

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