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DEVELOPMENT OF A SERIES OF PREFABRICATED LONG-RADIUS PIPE BENDS
ARMY ENGINEER RESEARCH AND DEVELOPMENT LABS FORT BELVOIR VA
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This report covers the design and evaluation of a series of prefabricated long-radius bends for use in the construction of coupled-type military pipelines. The bends were hydrostatically tested and then installed in an operating test pipeline section to determine their hydraulic characteristics and suitability for use in military pipelines. This report concludes that 1 prefabricated bends provide an adequate means for adapting the pipeline to terrain variationsALONG THE SELECTED ROUTE, 2 the availability of bends appreciably increases the construction capability of the pipeline company and decreases the logistical support needed for pipeline construction, and 3 the prototype bends as designed and tested are not suitable for use in military pipeline systems because they cannot be economically produced in the quantities required for military pipeline construction, the radius of bend is too long, and the 45 degree bend is not needed. Author
APPROVED FOR PUBLIC RELEASE