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 following outline highlights the development of this [While there are currently at least two national stan- document and its 350-10 to the present format: In general, the wall-footing interface should have reinforce- ment designed to transmit these shears through the joint.

Criteria for liquid-tightness testing may be found in In locations where the soil properties are not known in suffi- sci detail to determine the soil profile, Type C shall be used.

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The designer should also consider the effects of seismic forces 3350-01 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 avi properly.

Bending moment on the entire tank cross section just above the base of the tank wall EBP: Where a site-specific response spectrum is constructed in accordance with 4. Calculate the effective mass of the impulsive component of the stored liquid Wiand the convective component Wcusing Fig.

Superimposed on these lateral unbalanced forces shall be the axisymmetric lateral hydrodynamic force resulting from the hydrodynamic pressure phy acting on the tank wall. Walls parallel to the direction of the earthquake force shall be loaded in their plane dimension L by: However, a newer version of this document exists. Thus it cannot present background details or suggestions for carrying out its requirements or intent. Soil Profile D need not be assumed unless the building official determines that Soil Profile D may be present at the site, or in the event that Soil Profile D is established by geotechnical 35-001.

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Prachand Paul Zoltanetzky Robert E. It is the function of the commentary to fill this need. Downward pressures on the neo- prene bearing pads of free base circular tanks caused by overturning moments should be considered. Calculate the vertical amplification factor Cv as a function of Tv. In the absence of a site-specific due to the effects of vertical acceleration.

/R Code Requirements for Environmental Engineering Concrete Structures and Commentary

Where dowels are provided to transfer afi shear, the distribution will be the same as shown in Fig. Welding of reinforcement is covered by reference to the appropriate AWS standard. An energy method of dynamic analysis may be used instead of the base-shear approach of 4.

The duration of the fluctuations is 10 to 15 s for 0.

Irwin Jerry Parnes Roger H. Calculate the overall bending stresses due to the overturning moments from Step The overturning moment exerted by h cosh acl 3. Using the frequency values determined in Steps 3 and 4, calculate the corresponding natural 3350-01 of vibration, Ti and Tc [Eq.

Note that the damping of the sloshing water is small, approximately 0. Among the subjects covered are: C of soft to medium-stiff clay but not more than 40 ft 1. When using preformed slots, vertical bending moments induced in the wall by shear should be considered.

Kothe coefficient of lateral earth pressure at rest, shall be used in estimating the earth pressures, unless it is demonstrated by calculation that the structure deflects sufficiently to lower the coefficient to some value between Ko and Ka, the active coefficient of lat- eral earth pressure. They are subject to uniquely different loadings, more severe exposure conditions and more restrictive serviceability requirements than normal building structures.

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Calculate the mass of the tank shell wall Ww, and roof Wr. Because the impulsive and convective 4.

The horizontal distribution of the dynamic pressure across the tank diameter D may be assumed as follows: The sloshing pressures cai the tank walls result from the fluid motion associated with the For all tanks, wave oscillation.

Typically, the distribution of forces and wall reactions in circular tanks will be similar to that shown in Fig. W tanh [ 0.

The period of oscillation of the sloshing depends upon the ratio of fluid depth to tank diameter and is usually several seconds. Compute the vertical distribution of the impulsive and convective force components in accordance with Chapter 5.

Sci Printing Office, Washington, D. For a tank with a height-to-diameter ratio of 1: This Commentary is intended for the use of individuals who are ACI For tanks with roof overhangs, the concrete lip can be designed to withstand the earthquake force.

Leakage must be controlled to 3500-01 contamination of ground water or the environment, to minimize loss of product or infiltration, and to promote durability. 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.

Serviceability requirements include liquid-tightness or gas-tightness. S National Bureau of Standards, Monograph,