(ACI 374.1-05)

Description For seismic design, ACI 318-11 specifies in Section21.1.1.8 that “a reinforced concrete structural system not satis-fying the requirements of this chapter (Chapter 21) shall be permitted if it is demonstrated by experimental evidence and analysis that the proposed system has strength and toughness equal to or exceeding those provided by a comparable mono-lithic reinforced […]