ACI 421.3R 15:2015 Edition

$44.15

421.3R-15 Guide to Design of Reinforced Two-Way Slab Systems

Published By	Publication Date	Number of Pages
ACI	2015	32

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Category: ACI

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Description

This guide presents analysis methods, design procedures, slab reinforcement and detailing practices, and strength and serviceability considerations, as well as information for the resistance to lateral forces for slab-column frames. It also covers the design for flexure and shear and torsion, as well as the effect of openings. Both two-way nonprestressed slabs and post-tensioned slabs are included. Keywords: analysis method; deflection; direct design; flat plates; flat slabs; post-tension; reinforcement; shear; shearhead; slab-column frame; two-way slabs.

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE TITLE PAGE
4	CHAPTER 1—INTRODUCTION AND SCOPE CHAPTER 1—INTRODUCTION AND SCOPE 1.1—Introduction: history of two-way slab system 1.1—Introduction: history of two-way slab system 1.2—Scope 1.2—Scope CHAPTER 2—NOTATION AND DEFINITIONS CHAPTER 2—NOTATION AND DEFINITIONS 2.1—Notation 2.1—Notation
5	2.2—Definitions 2.2—Definitions
6	CHAPTER 3—ANALYSIS METHODS CHAPTER 3—ANALYSIS METHODS 3.1—General 3.1—General 3.2—Analysis methods 3.2—Analysis methods
12	3.3—Finite element analysis 3.3—Finite element analysis
13	3.4—Yield-line theory 3.4—Yield-line theory 3.5—Strip method analysis 3.5—Strip method analysis CHAPTER 4—DESIGN PROCEDURES CHAPTER 4—DESIGN PROCEDURES 4.1—General 4.1—General
14	4.2—Gravity loading 4.2—Gravity loading 4.3—Flexural design 4.3—Flexural design 4.4—Two-way action slab shear 4.4—Two-way action slab shear 4.5—Critical section 4.5—Critical section 4.6—Openings in slab systems 4.6—Openings in slab systems
15	4.7—Unbalanced moments 4.7—Unbalanced moments
16	4.8—Shear strength 4.8—Shear strength 4.9—Post-tensioned slabs 4.9—Post-tensioned slabs CHAPTER 5—SLAB REINFORCEMENT AND DETAILING CHAPTER 5—SLAB REINFORCEMENT AND DETAILING 5.1—General 5.1—General
17	5.2—Slabs without beams 5.2—Slabs without beams 5.3—Corner reinforcement 5.3—Corner reinforcement
18	5.4—Slab with drop panel 5.4—Slab with drop panel 5.5—Column strip reinforcement 5.5—Column strip reinforcement 5.6—Middle strip reinforcement 5.6—Middle strip reinforcement 5.7—Bent bars 5.7—Bent bars
19	5.8—Slab shear reinforcement 5.8—Slab shear reinforcement
20	5.9—Post-tensioned slabs 5.9—Post-tensioned slabs 5.10—Bonded reinforcement in post-tensioned slabs 5.10—Bonded reinforcement in post-tensioned slabs
21	CHAPTER 6—SERVICEABILITY CONSIDERATIONS CHAPTER 6—SERVICEABILITY CONSIDERATIONS 6.1—Minimum slab thickness 6.1—Minimum slab thickness
22	6.2—Deflection analysis 6.2—Deflection analysis
23	6.3—Crack control in reinforced two-way action structural slabs and plates 6.3—Crack control in reinforced two-way action structural slabs and plates CHAPTER 7—DESIGN OF SLAB-COLUMN FRAMES UNDER LATERAL FORCES CHAPTER 7—DESIGN OF SLAB-COLUMN FRAMES UNDER LATERAL FORCES 7.1—General 7.1—General
24	7.2—Analysis of slab-column frames under lateral forces 7.2—Analysis of slab-column frames under lateral forces 7.3—Arrangement of reinforcement in slabs for intermediate moment frames 7.3—Arrangement of reinforcement in slabs for intermediate moment frames
25	7.4—Slab-column frames not designated as part of the seismic-force-resisting system 7.4—Slab-column frames not designated as part of the seismic-force-resisting system
26	7.5—Transfer of moments to column 7.5—Transfer of moments to column CHAPTER 8—REFERENCES CHAPTER 8—REFERENCES Authored documents Authored documents
27	APPENDIX A—EXCERPT BUILDING CODE PROVISIONS APPENDIX A—EXCERPT BUILDING CODE PROVISIONS A.1—Direct design method (ACI 318-14, Section 8.10) A.1—Direct design method (ACI 318-14, Section 8.10) 8.10—Direct design method 8.10—Direct design method
29	A.2—Equivalent frame method (ACI 318-14, Section 8.11) A.2—Equivalent frame method (ACI 318-14, Section 8.11) 8.11—Equivalent frame method 8.11—Equivalent frame method