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Issues regarding the design calculations for tower-type containers

2018-12-22View Original

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For NB/T47041 tower-type vessels, why is only the operating condition considered when checking the butt welds of the skirt and lower head, while the pressure test condition is not taken into account? For the verification of the lap weld at this location, or the verification of the bottom cross-section of the skirt, or the verification of the large opening cross-section of the skirt, both the operating condition and the hydrostatic test condition are considered.

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