TABLE OF CONTENTS 21. 4-Special moment frame members subjected to bending and axial load 315 21.5-Joints of special moment frames 21.6-Special moment frames constructed using precast concrete 322 21.8-Special structural walls constructed using precast concrelams 21.7-Special reinforced concrete structural walls and coupling beams 21.9--Special diaphragms and trusses 21.10-Foundations 2111-Members not designated as part of the lateral-force-resisting system 21. 12-Requirements for intermediate moment frames 21.13-Intermediate precast structural walls 03833 cHAPTER22—STRUcTURALPLA|NcONcRETE.343 22. 1-Scope 22.2-Limitations 22.3--Joints 22.5-Strength design 345 22.6--Walls 347 22.7--Footings 22.8--Pedestals 22.9--Precast members 350 22.10-Plain concrete in earthquake-resisting structures... APPENDⅨA→ STRUT-AND· TIE MODELS……353 A.1— Definitions A. 2-Strut-and-tie model design procedure A.3-Strength of struts A. 4-Strength of ties 363 5-Strength of nodal zones APPENDIX B-ALTERNATIVE PROVISIONS FOR REINFORCED AND PRESTRESSED CONCRETE FLEXURAL AND COMPRESSION MEMBERS 367 B. 1-Scop APPENDIX C-ALTERNATIVE LOAD AND STRENGTH REDUCTION FACTORS 373 C 1-General C 3-Design strength 374 APPENDIX D-ANCHORING TO CONCRETE D. 1-Definitions D2-S D.3-General requirements D. 4-General requirements for strength of anchors D. 5-Design requirements for tensile loading 389 D D.7--Interaction of tensile and shear forces D. 8-Required edge distances, spacings, and thicknesses to preclude splitting failure APPENDIX E-STEEL REINFORCEMENT INFORMATION 407 APPENDIX F-EQUIVALANCE BETWEEN SI-METRIC. mks-METRIC, AND U. S CUSTOMARY UNITS OF NONHOMOGENEOUS EQUATIONS IN THE CODE 409 COMMENTARY REFERENCES 415 ACl 318 Building CodNot tor Resale. 1/28/2005182015 MST6 TABLE OF CONTENTS ACI 318 Building Code and Commentary 21.4—Special moment frame members subjected to bending and axial load .................................................................... 315 21.5—Joints of special moment frames .............................................................................................................................. 320 21.6—Special moment frames constructed using precast concrete ................................................................................... 322 21.7—Special reinforced concrete structural walls and coupling beams ............................................................................ 324 21.8—Special structural walls constructed using precast concrete .................................................................................... 330 21.9—Special diaphragms and trusses............................................................................................................................... 330 21.10—Foundations ............................................................................................................................................................ 333 21.11—Members not designated as part of the lateral-force-resisting system ................................................................... 336 21.12—Requirements for intermediate moment frames ..................................................................................................... 338 21.13—Intermediate precast structural walls ...................................................................................................................... 342 CHAPTER 22—STRUCTURAL PLAIN CONCRETE .......................................................................... 343 22.1—Scope........................................................................................................................................................................ 343 22.2—Limitations................................................................................................................................................................. 343 22.3—Joints ........................................................................................................................................................................ 344 22.4—Design method.......................................................................................................................................................... 344 22.5—Strength design......................................................................................................................................................... 345 22.6—Walls ......................................................................................................................................................................... 347 22.7—Footings .................................................................................................................................................................... 348 22.8—Pedestals .................................................................................................................................................................. 350 22.9—Precast members...................................................................................................................................................... 350 22.10—Plain concrete in earthquake-resisting structures................................................................................................... 350 APPENDIX A—STRUT-AND-TIE MODELS........................................................................................ 353 A.1—Definitions................................................................................................................................................................... 353 A.2—Strut-and-tie model design procedure ........................................................................................................................ 359 A.3—Strength of struts ........................................................................................................................................................ 360 A.4—Strength of ties ........................................................................................................................................................... 363 A.5—Strength of nodal zones ............................................................................................................................................. 364 APPENDIX B—ALTERNATIVE PROVISIONS FOR REINFORCED AND PRESTRESSED CONCRETE FLEXURAL AND COMPRESSION MEMBERS................................................ 367 B.1—Scope ......................................................................................................................................................................... 367 APPENDIX C—ALTERNATIVE LOAD AND STRENGTH REDUCTION FACTORS ......................... 373 C.1—General ...................................................................................................................................................................... 373 C.2—Required strength....................................................................................................................................................... 373 C.3—Design strength .......................................................................................................................................................... 374 APPENDIX D—ANCHORING TO CONCRETE................................................................................... 379 D.1—Definitions .................................................................................................................................................................. 379 D.2—Scope ......................................................................................................................................................................... 381 D.3—General requirements ................................................................................................................................................ 382 D.4—General requirements for strength of anchors ........................................................................................................... 384 D.5—Design requirements for tensile loading..................................................................................................................... 389 D.6—Design requirements for shear loading ...................................................................................................................... 397 D.7—Interaction of tensile and shear forces ....................................................................................................................... 403 D.8—Required edge distances, spacings, and thicknesses to preclude splitting failure..................................................... 403 D.9—Installation of anchors ................................................................................................................................................ 405 APPENDIX E—STEEL REINFORCEMENT INFORMATION .............................................................. 407 APPENDIX F—EQUIVALANCE BETWEEN SI-METRIC, mks-METRIC, AND U.S. CUSTOMARY UNITS OF NONHOMOGENEOUS EQUATIONS IN THE CODE................... 409 COMMENTARY REFERENCES.......................................................................................................... 415 INDEX................................................................................................................................................... 431 Copyright American Concrete Institute Provided by IHS under license with ACI Licensee=Black & Veatch/5910842100 No reproduction or networking permitted without license from IHS Not for Resale, 11/28/2005 18:20:15 MST --`,,`,````````,,`,,`,,``,`,,,`-`-`,,`,,`,`,,`---