Civil Engineering Association

ACI SP-17(09) ACI Design Handbook
Design of Structural Reinforced Concrete Elements in Accordance with ACI 318-05

Abstract:
This publication provides information for the engineering design and analysis of beams, one-way slabs, footings, pile caps, columns, and seismic design in accordance with ACI 318-05. Information is presented in three sections: Explanatory Material, Design Examples, and Design Aids. The Introduction of each chapter includes explanatory material that provides the engineer with concise background of the subject. The Design Examples illustrate the use of the Design Aids, which are tables and graphs intended to eliminate routine and repetitious calculations.

Contents:

Chapter 1—Design for flexure
1.1—Introduction
1.2—Nominal and design flexural strengths (Mn and φMn)
1.3—Minimum flexural reinforcement
1.4—Placement of reinforcement in sections
1.5—Flexure examples
1.6—Flexure design aids

Chapter 2—Design for shear
2.1—Introduction
2.2—Shear strength of beams
2.3—Designing shear reinforcement for beams
2.4—Shear strength of two-way slabs
2.5—Shear strength with torsion and flexure
2.6—Shear design examples
2.7—Shear design aids

Chapter 3—Short column design
3.1—Introduction
3.2—Column sectional strength
3.3—Columns subjected to biaxial bending
3.4—Column examples
3.5—Column design aids

Chapter 4—Design of slender columns
4.1—Introduction
4.2—Slenderness ratio
4.3—Lateral bracing and designation of frames as non-sway
4.4—Design of slender columns
4.5—Slender column examples
4.6—Slender column design aids

Chapter 5—Footing design
5.1—Introduction
5.2—Foundation types
5.3—Allowable stress design and strength design
5.4—Structural design
5.5—Footings subject to eccentric loading
5.6—Footings examples

Chapter 6—Seismic design
6.1—Introduction
6.2—Limitations on materials
6.3—Flexural members of special moment frames
6.4—Special moment frame members subjected to bending and axial load
6.5—Joints of special moment frames
6.6—Members of intermediate moment frames
6.7—Members not designed as part of the lateral-force-resisting system
6.8—Seismic design examples
6.9—Seismic design aids

Chapter 7—References
7.1—Referenced standards and reports
7.2—Cited references

Appendix A—Reference tables
Appendix B—Analysis tables
Appendix C—Sectional properties

Appendix

Appendix and Direct link to complete publication

This file is part of ACI SP-17(09) ACI Design Handbook

Short Column Design

The majority of reinforced concrete columns are subjected to primary stresses caused by flexure, axial force, and shear. Secondary stresses associated with deformations are usually very small in most columns used in practice. These columns are referred to as "short columns." Short columns are designed using the interaction diagrams presented in this chapter. The capacity of a short column is the same as the capacity of its section under primary stresses, irrespective of its length.
Long columns, columns with small cross-sectional dimensions, and columns with little end restraints may develop secondary stresses associated with column deformations, especially if they are not braced laterally. These columns are referred to as "slender columns". Fig. 3-1 illustrates secondary moments generated in a slender column by P-δeffect. Consequently, slender columns resist lower axial loads than short columns having the same cross-section. This is illustrated in Fig. 3-1. Failure of a slender column is initiated either by the material failure of a section, or instability of the column as a member, depending on the level of slenderness. The latter is known as column buckling.

SP-17M-09: ACI Design Handbook (Metric)
Design of Structural Reinforced Concrete Elements in Accordance with ACI 318M-05

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These files can be free download on ACI's web site too.