Pressure Vessel Lifting and Rigging Analysis

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Lifting and Rigging Analysis

What use is a highly engineered piece of pressure equipment if you can’t safely get it off the rail car and stand it up? COMPRESS and INSPECT include an integrated solution to this complex task. When performing lifting and rigging analysis COMPRESS and INSPECT:

  • Use an accurate weight

  • Find the correct center of gravity

  • Apply the actual pressure vessel cross sectional properties

  • Calculate lift stresses in support skirts and base rings including consideration of temporary skirt support beams

Benefits of our lifting and rigging analysis include:

  • Rigging analysis is considered in the vessel design

  • The governing lift angle for vertical vessels is automatically determined

  • Lift lugs are designed to be strong enough to avoid tearing or bending

  • Tailing lug designs consider skirt temporary support beams (struts) to prevent support skirt lift damage

Installation of a COMPRESS Designed Tall Tower

More About Rigging

A Horizontal Pressure Vessel Rigging Analysis Preview in INSPECT

The Codeware rigging analysis can be used with or without the lift lug option. It provides bending moment, shear stress and bending stress diagrams as well as tabulated values at main vessel locations. Variations in local sectional properties along the length of the vessel are considered.

When activated with lift lugs, the lift points are taken as the lift lug locations by default. This can be overridden to provide a quick indication of the effects of relocating lift points (design optimization).

More About Lift Lugs

COMPRESS and INSPECT include a lift lug design option. Plate, ear, trunnion and tail type lift lugs are included. This feature calculates the stresses within the lug as well as the local stresses of the vessel at the lug attachment location. For vertical vessels which undergo a rotational lift from horizontal (shipping) to vertical (in-service), the lift lug is checked for all lift angles (0° – 90°). The governing lift angle condition is automatically found and reported.

Lifting and rigging analysis is just one of the many features enjoyed by users of our suite of software products. To find out more click on the button below.

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2018-01-18T11:35:47+00:00 February 17th, 2017|Categories: COMPRESS, INSPECT, Power Users|Tags: , , , |

About the Author:

Codeware was founded in 1983 in Ontario, Canada. We opened our first U.S. office in 1993. We currently have offices in Sarasota, Florida and Austin, Texas. Codeware’s founder, Les M. Bildy, P. Eng., has served as President since 1983.