ACI 350-01 PDF

ACI 350-01 PDF

Because ACI is written as a legal document, it may be adopted by reference in a general building code or in regulations governing the design and. An ACI Standard ACI Committee , American Concrete Institute Environmental Engineering Concrete Structures (ACI ), hereinafter called the code. – Free download as PDF File .pdf), Text File .txt) or read online for free. Water Tank Design (Aci & ). Uploaded by.

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/R Code Requirements for Environmental Engineering Concrete Structures and Commentary

Circular tanks Type 2. If uplift develops on the heel axi, then anchor cables must be provided. Note that the damping of the sloshing water is small, approximately 0. Typical earthquake force distributions in slab action 5.

Walls parallel to the direction of the earthquake force shall be analyzed as shear walls subjected to the in- plane forces computed in 5. The horizontal distribution of the dynamic pressure across the tank diameter D may be assumed as follows: In rectangular tanks, calculate avi stresses in the wall due to the impulsive and convective pressures, depending on the structural system considered 6.

The chapter and section numbering of the code are followed throughout the commentary. Among the subjects covered are: Select an importance factor I from Table 4 c and a soil profile coefficient S from Table 4 b. 350-10 the hydrodynamic pressure phy using Eq.

It is the function of the commentary to fill this need.

Typical structures include conveyance, storage, and treatment structures. Prachand Paul Zoltanetzky Robert E. 350–01 a tank with a height-to-diameter ratio of 1: The roof-to-wall joint is subject to earthquake shear from the horizontal acceleration of the roof.


Alternatively, the wall may be located in a preformed slot in the ring beam footing.

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For tank 3500-1 2. Where loss of liquid should be prevented for example, tanks for the storage of toxic liquidsor where overtopping may result in scouring of the foundation materials or cause dam- age to pipes, roof, or both, then one or more of the following measures should be undertaken: Wi moves with the tank walls as they respond to the ground shaking the 9.

Determine the seismic coefficient Z from 35001 seismic zone map, Fig. With any one of the tank types covered under this report, the General configuration rectangular or circular floor may be a membrane-type slab, a raft foundation, or a Wall-base joint type fixed, hinged, or flexible structural slab supported on piles.

Remember me on this computer. Compute the vertical distribution of the impulsive and convective force components in accordance with Chapter afi. The American Concrete Institute disclaims any or by any means, including the making of copies by any photo process, or and all responsibility for the stated principles.

The period of oscillation of the sloshing depends upon the ratio of fluid depth to tank diameter and is usually several seconds.

For tanks with roof overhangs, the concrete lip can be designed to withstand the earthquake force.

Where overtopping is tolerable, no freeboard provision is necessary. Walls parallel to the xci of the earthquake force shall be loaded in their plane dimension L by: Criteria for liquid-tightness testing may be found in This aic provides directions to the designer of liquid- containing concrete structures for computing seismic forces that are to be applied to the particular structure.


The duration of the fluctuations is 10 to 15 s for 0. The code portion of this document covers the structural design, materials selection, and construction of environmental engineering concrete structures. In circular tanks, calculate the hoop stresses due to 30-01 impulsive and convective pressures, and due 35001 the vertical acceler- ation 6. If friction between the wall base and the footing, or between the wall base and 350-1 bearing pads, is insufficient to resist the earthquake shear, some form of mechanical restraint such as dowels, galva- nized steel cables, or preformed slots may be required.

Skip to main content. The shears along the bottom and side joints, and the top joint in case of a roof- covered tank, shall correspond to the slab reactions. Serviceability requirements include liquid-tightness or gas-tightness. Equations and are adapted from Reference The duration of sloshing can be For all tanks, 20 to 40 s for earthquakes of magnitude 6.

Calculate the overall bending stresses due to the overturning moments from Step Exposures include concentrated chemicals, alternate wetting and drying, and freezing and thawing of 30-01 concrete. Early Jack Moll William C. Compute the dynamic lateral forces [Eq. Such structures are used for conveying, storing, or treating liquid, wastewater, or other materials, such as solid waste.

In this model, Wi represents the resultant effect of the impulsive W tanh [ 0.