(ACI ) An ACI Standard. Reported by ACI Committee Seismic Design of Liquid-Containing Concrete Structures and Commentary. ACI Seismic Design of Liquid-Containing Concrete Structures and Commentary. standard by American Concrete Institute, 01/01/. The seismic design provisions of the previous () edition of ACI were very limited in ACI covers all types of concrete tanks (prestressed and.

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Any applicable errata are included with individual documents at the time of purchase. To establish the scope of the new procedures consistent with the overall scope of ACI It makes it aic to update these seismic provisions so as to keep up with the frequent changes and improvements in the field of seismic hazard analysis and evaluation. Choose Product Language English.

350.3-06 Seismic Design of Liquid-Containing Concrete Structures and Commentary

This approach offers at least two advantages:. The full and complete returned product will be accepted if returned within 60 days of receipt and in salable condition. Accordingly, the basic scope, format, and mandatory language of Chapter 21 of ACI were retained with only enough revisions to adapt the chapter to environmental engineering structures.


Concrete Structures for Containment of Hazardous Materials. As the loading side of seismic design is outside the scope of ACIAco 21, it was decided to maintain this practice in ACI as well. The following paragraphs highlight the development of this standard and its evolution to the present format:.

Provisions similar to Section 1.

Rather than combining impulsive and convective modes by algebraic sum, this standard combines these modes by square-root-sum-of-the-squares. These items are not eligible for return. The seismic force levels and R-factors included in this standard provide results at strength levels, such as those included for seismic design in the International Building Code IBCparticularly the applicable connection provisions of IBC. For a listing of and access to all product errata, visit the Errata page.

Errata are not included for collections or sets of documents such as the ACI Collection.

To produce a self-contained set of procedures that would enable a practicing engineer to perform a full seismic analysis and design of a liquid-containing structure. This required the inclusion of all types of tanks—rectangular, as well as circular; and reinforced concrete, as well as prestressed.


– ACI Seismic Loads for Liquid-Containing Rectangular RC Tank

The user should note the following general design methods used in this standard, which represent some of the key differences relative to traditional methodologies, such as those described in ASCE This standard prescribes procedures for the ack analysis and design of liquid-containing concrete structures.

These procedures address the loading side of seismic design and are intended to complement ACISection 1. Instead of assuming a rigid tank for which the acceleration is equal to the ground acceleration at all locations, this standard assumes amplification of response due to natural frequency of the tank.

This meant that these procedures should cover both aspects of seismic design: