Building Code Requirements and Commentary for Structural Concrete (ACI 318-19)

Description

Front Matter......Page 3 Keywords......Page 5 Introduction......Page 6 Table of Contents......Page 7 1.3—Purpose......Page 11 1.4—Applicability......Page 12 1.5—Interpretation......Page 14 1.8—Construction documents and design records......Page 15 1.10—Approval of special systems of design, construction, or alternative construction materials......Page 16 2.2—Notation......Page 17 2.3—Terminology......Page 33 3.2—Referenced standards......Page 49 4.3—Design loads......Page 53 4.4—Structural system and load paths......Page 54 4.5—Structural analysis......Page 56 4.6—Strength......Page 57 4.10—Structural integrity......Page 58 4.12—Requirements for specific types of construction......Page 59 4.14—Strength evaluation of existing structures......Page 61 5.2—General......Page 63 5.3—Load factors and combinations......Page 64 6.2—General......Page 69 6.3—Modeling assumptions......Page 74 6.4—Arrangement of live load......Page 75 6.5—Simplified method of analysis for nonprestressed continuous beams and one-way slabs......Page 76 6.6—Linear elastic first-order analysis......Page 77 6.7—Linear elastic second-order analysis......Page 86 6.8—Inelastic analysis......Page 87 6.9—Acceptability of finite element analysis......Page 88 7.3—Design limits......Page 91 7.5—Design strength......Page 93 7.6—Reinforcement limits......Page 94 7.7—Reinforcement detailing......Page 96 8.2—General......Page 101 8.3—Design limits......Page 102 8.4—Required strength......Page 105 8.5—Design strength......Page 111 8.6—Reinforcement limits......Page 112 8.7—Reinforcement detailing......Page 115 8.8—Nonprestressed two-way joist systems......Page 127 9.2—General......Page 129 9.3—Design limits......Page 130 9.4—Required strength......Page 132 9.5—Design strength......Page 135 9.6—Reinforcement limits......Page 137 9.7—Reinforcement detailing......Page 141 9.8—Nonprestressed one-way joist systems......Page 153 9.9—Deep beams......Page 154 10.3—Design limits......Page 157 10.4—Required strength......Page 158 10.5—Design strength......Page 159 10.7—Reinforcement detailing......Page 160 11.2—General......Page 167 11.4—Required strength......Page 168 11.5—Design strength......Page 169 11.6—Reinforcement limits......Page 172 11.7—Reinforcement detailing......Page 173 11.8—Alternative method for out-of-plane slender wall analysis......Page 174 12.1—Scope......Page 177 12.2—General......Page 178 12.3—Design limits......Page 179 12.4—Required strength......Page 180 12.5—Design strength......Page 183 12.7—Reinforcement detailing......Page 190 13.1—Scope......Page 193 13.2—General......Page 195 13.3—Shallow foundations......Page 199 13.4—Deep foundations......Page 201 14.1—Scope......Page 205 14.3—Design limits......Page 206 14.4—Required strength......Page 208 14.5—Design strength......Page 209 14.6—Reinforcement detailing......Page 212 15.2—General......Page 213 15.3—Detailing of joints......Page 214 15.4—Strength requirements for beam-column joints......Page 215 15.5—Transfer of column axial force through the floor system......Page 216 16.2—Connections of precast members......Page 219 16.3—Connections to foundations......Page 224 16.4—Horizontal shear transfer in composite concrete flexural members......Page 227 16.5—Brackets and corbels......Page 229 17.1—Scope......Page 235 17.2—General......Page 236 17.3—Design Limits......Page 237 17.5—Design strength......Page 238 17.6—Tensile strength......Page 248 17.7—Shear strength......Page 263 17.9—Edge distances, spacings, and thicknesses to preclude splitting failure......Page 272 17.10—Earthquake-resistant anchor design requirements......Page 274 17.11—Attachments with shear lugs......Page 279 18.2—General......Page 287 18.3—Ordinary moment frames......Page 293 18.4—Intermediate moment frames......Page 294 18.6—Beams of special moment frames......Page 301 18.7—Columns of special moment frames......Page 307 18.8—Joints of special moment frames......Page 313 18.9—Special moment frames constructed using precast concrete......Page 316 18.10—Special structural walls......Page 319 18.12—Diaphragms and trusses......Page 338 18.13—Foundations......Page 345 18.14—Members not designated as part of the seismic-force-resisting system......Page 353 19.2—Concrete design properties......Page 357 19.3—Concrete durability requirements......Page 359 19.4—Grout durability requirements......Page 371 20.2—Nonprestressed bars and wires......Page 373 20.3—Prestressing strands, wires, and bars......Page 380 20.5—Provisions for durability of steel reinforcement......Page 384 20.6—Embedments......Page 392 21.2—Strength reduction factors for structural concrete members and connections......Page 393 22.2—Design assumptions for moment and axial strength......Page 399 22.3—Flexural strength......Page 401 22.4—Axial strength or combined flexural and axial strength......Page 402 22.5—One-way shear strength......Page 403 22.6—Two-way shear strength......Page 413 22.7—Torsional strength......Page 422 22.8—Bearing......Page 430 22.9—Shear friction......Page 432 23.1—Scope......Page 437 23.2—General......Page 438 23.4—Strength of struts......Page 445 23.5—Minimum distributed reinforcement......Page 447 23.6—Strut reinforcement detailing......Page 448 23.8—Tie reinforcement detailing......Page 449 23.9—Strength of nodal zones......Page 450 23.10—Curved-bar nodes......Page 451 23.11—Earthquake-resistant design using the strut-and-tie method......Page 454 24.2—Deflections due to service-level gravity loads......Page 457 24.3—Distribution of flexural reinforcement in one-way slabs and beams......Page 462 24.4—Shrinkage and temperature reinforcement......Page 463 24.5—Permissible stresses in prestressed concrete flexural members......Page 465 25.2—Minimum spacing of reinforcement......Page 469 25.3—Standard hooks, seismic hooks, crossties, and minimum inside bend diameters......Page 471 25.4—Development of reinforcement......Page 473 25.5—Splices......Page 490 25.6—Bundled reinforcement......Page 495 25.7—Transverse reinforcement......Page 496 25.8—Post-tensioning anchorages and couplers......Page 506 25.9—Anchorage zones for post-tensioned tendons......Page 507 26.1—Scope......Page 517 26.2—Design criteria......Page 518 26.4—Concrete materials and mixture requirements......Page 519 26.5—Concrete production and construction......Page 530 26.6—Reinforcement materials and construction requirements......Page 537 26.7—Anchoring to concrete......Page 542 26.8—Embedments......Page 544 26.9—Additional requirements for precast concrete......Page 545 26.10—Additional requirements for prestressed concrete......Page 546 26.11—Formwork......Page 548 26.12—Evaluation and acceptance of hardened concrete......Page 550 26.13—Inspection......Page 556 27.2—General......Page 561 27.3—Analytical strength evaluation......Page 562 27.4—Strength evaluation by load test......Page 563 27.5—Monotonic load test procedure......Page 564 27.6—Cyclic load test procedure......Page 566 A.2—Scope......Page 569 A.4—Earthquake ground motions......Page 570 A.6—Modeling and analysis......Page 571 A.7—Action classification and criticality......Page 572 A.8—Effective stiffness......Page 573 A.9—Expected material strength......Page 575 A.10—Acceptance criteria for deformation-controlled actions......Page 576 A.11—Expected strength for force-controlled actions......Page 578 A.12—Enhanced detailing requirements......Page 579 A.13—Independent structural design review......Page 580 Appendix B—Steel Reinforcement Information......Page 583 Appendix C—Equivalence Between SI-Metric, MKS-Metric, And U.S. Customary Units of Nonhomogenous Equations in the Code ......Page 587 Commentary References......Page 597 Index......Page 617