EN 12573-3:2000

Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols and abbreviations
4 General considerations in design calculations
5 Unstiffened tanks sitting on a continuous flat rigid surface
   5.1 General
   5.2 Aspect ratio x/y < 0,5
   5.3 Aspect ratio 0,5 <= x/y <= 4
   5.4 Aspect ratio x/y > 4
6 Tanks with rim stiffening supported on a continuous flat
   rigid surface
   6.1 Calculation of the skin thickness
   6.2 Calculation of rim stiffeners
7 Tanks with intermediate horizontal stiffeners supported on
   a continuous flat rigid surface
   7.1 General
   7.2 Calculation of the minimum skin thickness
   7.3 Calculation of the horizontal stiffeners
8 Tanks with cross-ribbed horizontal and vertical stiffeners
   supported on a continuous rigid surface
   8.1 Calculation of the minimum skin thickness, base
        thickness and properties of horizontal stiffeners
   8.2 Calculation of the properties of vertical stiffeners
9 Rectangular tanks with U-frame
   9.1 General
   9.2 Calculation of the skin thickness of the side walls
   9.3 Determination of the tank base
   9.4 Calculation of the U-frame stiffening
10 Determination of the tank cover
   10.1 General
   10.2 Freely supported tank cover
   10.3 Fixed tank cover
   10.4 Stiffened tank cover
Annex A (informative) Construction details for rectangular
        tanks
Annex B (informative) Special cases
Annex C (informative) A-deviations
Bibliography