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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The quality and testing of materials used in the construction are covered by reference to the appropriate standard specifications. In rectangular tanks, calculate the stresses in the wall due to the impulsive and convective pressures, depending on the 350-10 system considered 6. The dynamic properties, including periods of vibration and lateral coefficients, shall be permitted to be deter- mined on the basis of generally acceptable methods of dynamic analysis.

Such structures are used for conveying, storing, or treating liquid, wastewater, or other materials, such as solid waste. They are subject to uniquely different loadings, more severe exposure conditions and more restrictive serviceability requirements than normal building structures.

International Concrete Abstracts Portal

Walls perpendicular aco the direction of the earthquake force shall be analyzed as slabs subjected to the hori- zontal pressures computed in 5. Government Printing Office, Washington, D. In locations where the soil properties are not known in suffi- cient detail to determine the soil profile, Type C shall be used.

Calculate the overall bending stresses due to the overturning moments from Step Determine the seismic coefficient Z from the seismic zone map, Fig.

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Calculate the mass of the tank shell wall Ww, and roof Wr. References to much of the research data referred to in preparing the code are given for those who wish to study certain requirements in greater detail.

They include ancillary structures for dams, spillways, and channels. The horizontal distribution of the dynamic pressure across the tank diameter D may be assumed as follows: Walls parallel to the direction of the earthquake force shall be analyzed as shear walls aco to the in- plane forces computed in 5.

Where a site-specific response spectrum is constructed in accordance with 4.

Note that the damping of the sloshing water is small, approximately 0. Axi design of the wall-footing interface should take the radial shear into account.

Where overtopping is tolerable, no freeboard provision is necessary. Failure to provide a means for shear transfer around the cir- cumference may result in sliding of the wall. Using the frequency values determined in Steps 3 and 4, calculate the corresponding natural periods of vibration, Ti and Tc [Eq. This approach offers at least two ad- mic design is not adequately covered by the leading 530-01 Where loss of 35-001 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: D mm of soft clay characterized by a shear wave 2.

In computing these pressures, recognition shall be made of the existence, or lack thereof, of ground water table. 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.

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/R Code Requirements for Environmental Engineering Concrete Structures and Commentary

They act to increase or decrease the hoop stresses. Walls perpendicular to the earthquake force and in the trailing half of the tank shall be loaded perpendicular to their plane dimension B by: The aaci joint is subject to earthquake shear from the horizontal acceleration of the roof. The code portion of this document covers the structural design, materials selection, and construction of environmental engineering concrete structures.

International Concrete Abstracts Portal. Rectangular tanks Type 350–01.

In this model, Wi represents the resultant effect of the impulsive W tanh [ 0. The designer should also consider the effects of seismic forces on compo- nents outside the scope of this document, such as piping, equipment for example, clarifier mechanismsand connect- ing walkways, where vertical or horizontal movements between adjoining structures or surrounding backfill could adversely influence the ability of the structure to function properly.

Chemical attack; coatings; concrete durability; concrete finishing fresh concrete ; concrete slabs, crack width, and spacing; cracking fracturing ; environmental engineering; inspection; joints junctions ; joint sealers; liquid; patching; permeability Date: Emphasis is given to the explanation of provisions that may be unfamiliar to some code users.

When using preformed slots, vertical bending moments induced in the wall by shear should be considered. Circular tanks Type 2. Proper design, materials, and construction of environmental engineering concrete structures are required to produce serviceable concrete that is dense, durable, nearly impermeable, resistant to chemicals, with limited deflections and cracking.