Cone Roof and Material Data (Roof Specification) - TANK - Help - Hexagon PPM

TANK Help

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If a supported cone roof is to be designed, then values in the bottom half of General Root Specs tab should be left blank. The data necessary for supported cone roof design, according to the procedures outlined in the text by Brownell & Young, is specified on Cone Root and Material Datatab.

In the design of a supported cone roof, the roof plates sit on top of the rafters. The rafters are oriented along radial lines, from the center of the tank. The rafters are arranged in rings around the tank, where the rafter lengths do not exceed the maximum specified value. The ends of the rafters are supported on girders, arranged in concentric circles, where the girder lengths do not exceed the maximum specified value. The girders are supported by columns.

For the structural and roof plate materials, click Browse Button to bring up the context menu which allows selection from the Material Database.