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

Abstract

If hw/ρw hw/ℓw is greater than 2.5, only a minimum amount of vertical reinforcement is required (0.0025sh). R11.8.1.1 This procedure is presented as an alternative to the requirements of 11.5.2.1 for the out-of- plane design of slender wall panels, where the panels are restrained against rotationoverturning at the top. These provisions for precast concrete piles in SDC A and B are based on information from the 2018 IBCPCI Recommended Practice for the Design, Manufacture, and Installation of Prestressed Concrete Piling (1993) and the PCI Bridge Design Manual, Chapter 20 (2004). 22.5.1.10 The interaction of shear forces acting along orthogonal axes shall be permitted to be neglected if (a) or (b) is satisfied. (d) Requirements for investigating low strength-test results shall apply if the requirements of 26.12.6.1(b)(2) 26.12.4.1(b)(2) areis not met.