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This specification is a reference specification that the licensed design professional can make applicable to any construction project by citing it in the project specifications. The licensed design professional supplements the provisions of this reference specification as needed by designating or specifying individual project requirements. This specification covers cast-in-place, normalweight, high-strength concrete in structures that must be designed for moderate to high seismic applications. More specifically,this specification applies to structures:
Located in Seismic Zones 2, 3, or 4 defined by the Uniform Building
Code;
Assigned to Seismic Performance Categories C, D, or E of the BOCA/
National Building Code (1993 and subsequent editions) or the Standard
Building Code (1994 or subsequent editions); or
Seismic Design Categories C, D, E or F of the International Building
Code or the National Fire Protection Association (NFPA) 5000 Building
Construction and Safety Code.
Irrespective of seismic hazard, seismic performance, or design category, these requirements shall apply to normalweight, high-strength concrete in intermediate or special moment frames and intermediate or special
structural walls.
ACI - ITG 4.1-07: Specification for High-Strength Concrete in Moderate to High Seismic Applications
ACI - ITG 4.1-07: Specification for High-Strength Concrete in Moderate to High Seismic Applications
