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Evaluate piping for displacement-controlled loading

05.01.2014  |  Tharakan, J. ,  Suncor Energy Products, Calgary, Alberta, CanadaAnisuzzaman, M.,  Suncor Energy Inc. , Calgary, Canada

In a Canadian case study, new piping under construction suffered some settlement in the underground portion, as evidenced by soil movement and slight deflection of the above-ground section.

Keywords: [pipeline] [flange] [Canada] [construction]

In a Canadian case study, new piping under construction suffered some settlement in the underground portion, as evidenced by soil movement and slight deflection of the above-ground section of the piping. One of the flange joints on the line was broken to assess the amount of strain in the joint. The joint sprung open with a wide gap that was far in excess of acceptable flange alignment tolerances. This situation warranted an engineering assessment to evaluate the risk. The piping design details are as follows:

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Julio Méndez
05.19.2014

Although the article is quite interesting, I got lost son, becuase the introduction stated that there was soil settlement in the underground piping that it was evidenced it by a soil setlement and a slight above ground pipe deflection. However, the deflection found was due to the soil movement instead of the alignment of the flange in the installation process. Because the D1 stands for the displacement due to the alignment of falnges in the installation!!! At least this is what I udnerstood!!

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