Wind, Material, Thickness & Weights - TANK - Help - Hexagon PPM

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The Wind, Material, Thickness & Weights report contains formal output data computed by TANK. It begins with a summary of the wind parameters used during the analysis, consisting of the velocity factor, the area exposed to the wind, and the wind moment.

The next section of the report reflects the material properties used, including the wind girder height reduction factor. For each shell course, the material name, design allowable stress, test allowable stress, and Appendix M reduction factor are listed.

The next section of the report details the final shell course thicknesses for the design and test cases. The user-defined shell course thickness is also reported here, as well as the minimum allowed metal temperature as obtained from API-650 Figure 2-1. The thickness used in implementing this Figure is the maximum of the design and test cases.

For API-653 analysis, the next section of the output contains a table showing the retiring thickness and remaining corrosion allowance for each course.

The next section of the report details the allowed fluid heights for the design and test cases, as well as the required fluid height is also shown in the table.

The next section includes the annular base plate thickness and width, the weight of the shell, and the center of gravity of the shell.

The next section details the results of the "wind overturning stability check", based on API-650 Section 5.11.

The next section of this report details the results of the wind girder computations. This includes the required section modulus for both the top and intermediate wind girders, as well as the maximum height of the unstiffened shell. Following this information is a table showing the wind girder requirements as a result of the transformed section method. For each wind girder required, the geometry detail and angle size are also reported. If Detail e is required, the b dimension is also included in the report.

The final section of this report presents a weight summary of the various tank components.