Aci-350.3-06.pdf
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This document is an American Concrete Institute (ACI) standard titled:
ACI 350.3-06 establishes requirements for the seismic design of environmental concrete structures, using Housner’s model to analyze impulsive and convective liquid behavior. It outlines specific calculations for lateral forces, recommending the square-root-sum-of-the-squares (SRSS) method for combined seismic loading. For detailed documentation, visit American Concrete Institute . ACI-350.3-06.pdf
ACI 350.3-06 represents a vital synthesis of theoretical hydrodynamics and practical structural engineering. It provides the rigorous framework necessary to protect water and wastewater infrastructure—which is indispensable for community recovery after a disaster—from seismic devastation.
The standard provides specific equations for: This public link is valid for 7 days
If you are using this for a current project, verify whether ACI has superseded it with a newer version (e.g., ACI 350.3-20 or a revision). The 2006 edition may still be permitted by reference in some older specifications, but many engineers today rely on ACI 350’s durability chapters or alternative guides (e.g., from WEF or ASCE).
The standard is comprehensive, applying to virtually all types of concrete liquid-containing tanks used in environmental engineering, including: Can’t copy the link right now
Furthermore, users should be aware that , namely ACI 350.3-20 , which was published in 2021. The 2020 edition is the current, updated standard and should be referenced for new designs where possible. However, ACI 350.3-06 remains critically important for the evaluation and maintenance of existing structures designed under that code, and it serves as a valuable historical reference to understand the evolution of seismic design provisions for liquid-containing structures.
is a standard titled "Seismic Design of Liquid-Containing Concrete Structures and Commentary." It is a critical document produced by the American Concrete Institute (ACI) for civil and structural engineers designing water treatment plants, reservoirs, tanks, and other liquid-containing structures.
As of October 2021, ACI 350.3-06 has been by a newer version: ACI 350.3-20 , "Code Requirements for Seismic Analysis and Design of Liquid-Containing Concrete Structures (ACI 350.3-20) and Commentary." However, the 2006 edition remains relevant for existing infrastructure, legacy designs, and situations where project specifications or local regulations still reference the older standard.