TECHNOLOGY More precise pipe wall calculations developed

Alexander Aynbinder, Boris Taksa Gulf Interstate Engineering Houston Equations [85216 bytes] Methods for determining pipeline wall have been developed which may reduce the required thickness by up to 7%, depending on steel grade and required design pressure. A more precise calculation for pipeline wall can yield significant savings since costs of cross country pipelines are greatly affected by the quantity of required steel. This quantity is a function of line pipe length and wall thickness. Existing methods for calculating wall thickness are debated among numerous engineers. A recent analysis of published methods concluded that wall-thickness design formulations should be improved....

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