ACI ITG-4.3R-07 PDF Download

ACI ITG-4.3R-07 is a standard that provides a detailed report on the structural design and detailing of high-strength concrete in moderate to high seismic applications. The standard is organized into chapters that cover different aspects of seismic design using high-strength concrete, such as columns, beams, beam-column joints, and structural walls.

The report includes a literature review that presents a comprehensive analysis of seismic design using high-strength concrete. It identifies and discusses the most relevant aspects of seismic design and provides recommendations for modifications to the ACI 318-05 code based on the findings of the literature review.

The recommendations provided in the report include proposals for modifying the equivalent rectangular stress block, equations for calculating the axial strength of columns under concentric loading, requirements for column confinement, limits on the specified yield strength of confinement reinforcement, provisions for strut factors, and guidelines for the development of straight bars and hooks.