ACI 350.3-06 represents a significant milestone in the seismic design of environmental concrete structures. By providing a rational, mechanics‑based approach to calculating hydrodynamic loads, it enabled engineers to design safer water and wastewater tanks in seismically active regions. While the standard has been updated, the core principles it established—impulsive vs. convective response, the importance of tank geometry and support conditions, and the coordination with material‑specific design codes—remain as relevant today as they were in 2006.
As noted, the physical print version of ACI 350.3-06 is out of print. However, the standard remains available for purchase as a downloadable PDF from the official American Concrete Institute (ACI) Store. This official version is essential for engineers who require the legally authoritative document for their projects. As of the latest pricing, the PDF version was available for and $52.00 USD for ACI members . Always ensure you are obtaining the document from official or authorized resellers to guarantee you have the correct, complete, and untampered standard. ACI-350.3-06.pdf
ACI 350.3-06 establishes the industry standard for the seismic design of liquid-containing concrete structures, defining procedures for calculating impulsive and convective (sloshing) hydrodynamic forces. The standard provides technical guidelines for designing both circular and rectangular concrete tanks to ensure stability during seismic events. For a preview of the document, see this Scribd publication ACI 350
ACI 350.3-06, "Seismic Design of Liquid-Containing Concrete Structures and Commentary," provides specialized procedures for calculating lateral and vertical earthquake forces on environmental structures. The standard utilizes a split-mass approach to model complex impulsive and convective hydrodynamic loads, updating previous guidelines to align with modern spectral acceleration mapping. For more details, visit American Concrete Institute . Share public link convective response, the importance of tank geometry and
Engineers using ACI 350.3‑06 are strongly encouraged to obtain and apply these corrections to ensure compliance with the intended requirements.
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Engineers working on new projects are generally advised to use the most current edition. However, ACI 350.3‑06 remains relevant for:
