ACI 551.2R-10

This guide covers specifying, proportioning, mixing, placing, and finishing of fiber-reinforced concrete (FRC). This guide presents information to expand on the provisions of ACI 318, Section 14.8 applied to the design of site-cast precast, or tilt-up, concrete panels, and to provide a comprehensive procedure for the design of these important structural elements. In addition, this guide provides design recommendations for various support and load conditions not specifically covered in ACI 318. Included are design guidelines for in-plane shear.

Contents: CONTENTS

Chapter 1--Introduction, p. 551.2R-2

Chapter 2--Notation and definitions, p. 551.2R-2

2.1--Notation

2.2--Definitions

Chapter 3--Analysis concepts for slender concrete walls, p. 551.2R-4

3.1--Panel design model

3.2--Bending stiffness evaluation

3.3--Iteration method for P-? effects

3.4--Moment magnifier equation

3.5--ACI 318 provisions

3.6--Comparison to 1997 Uniform Building Code

3.7--Limitations on panel slenderness

Chapter 4--Loading conditions, p. 551.2R-10

4.1--Lateral loads

4.2--Axial loads

4.3--Panel self-weight

4.4--Load factors and combinations

Chapter 5--Temperature and shrinkage effects, p. 551.2R-12

Chapter 6--Control of deflections, p. 551.2R-12

6.1--Deflection calculations

6.2--Creep and initial deflections

6.3--Deflection limits

Chapter 7--Panel design procedures, p. 551.2R-13

7.1--Solid panels without openings

7.2--Panels with openings

7.3--Concentrated axial loads

7.4--Concentrated lateral loads

7.5--Multiple spans and effects of continuity

7.6--Isolated footings or pier foundations

7.7--Cantilever panels

Chapter 8--In-plane shear, p. 551.2R-16

8.1--Resistance to panel overturning

8.2--Resistance to sliding

8.3--Concrete shear resistance

8.4--Seismic ductility

8.5--In-plane frame design

Chapter 9--Connections for tilt-up panels, p. 551.2R-19

9.1--Types of connections

Chapter 10--Construction requirements, p. 551.2R-20

10.1--Forming and construction tolerances

10.2--Concrete for tilt-up panels

10.3--Panel reinforcement

Chapter 11--Design for lifting stresses, p. 551.2R-21

Chapter 12--Temporary panel bracing, p. 551.2R-22

Chapter 13--References, p. 551.2R-22

13.1--Referenced standards and reports

13.2--Cited references

Appendix A--Derivation of Mn and Icr, p. 551.2R-22

A.1--Derivation of Mn and Icr based on rectangular stress block

A.2--Derivation of Mn and Icr based on triangular stress distribution

Appendix B--Design examples for out-of plane forces, p. 551.2R-23

B.1--Panel with no openings design example

B.1M--Panel with no openings design example (metric)

B.2--Panel with 10 x 15 ft door opening design example

B.3--Panel with concentrated axial load design example

B.4--Panel with concentrated lateral load design example

B.5--Multi-story panel design example

B.6--Panel with dock-high condition design example

B.7--Plain panel with fixed end design example

B.8--Plain panel on isolated footing or pier design example

B.9--Panel with stiffening pilasters and header design example