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Structural Research Series 616PDF


Title:A Fiber Reinforced Plastic Joint for Filament Would Pipes: Analysis and Design
Author(s):Estrada, H.; Parsons, I.D.
Subject(s):Finite elements
Filament winding
Joints -- Fiber reinforced plastic pipe
Abstract:Fiber reinforced plastic pipe joints are widely used in the pi ping industry. However, current fiber reinforced plastic joint standards are based on standards written for their metallic counterparts, and the relevant design codes lack reliable design guidelines. We have developed an innovative fiber reinforced plastic joining technique to address these and other problems that have been reported in the literature. The proposed joint can be used with filament wound pipes, the most common fiber reinforced plastic pipe manufacturing technique. This joint can be manufactured using current filament winding equipment with minor alterations. This report emphasizes the design concept and the development of the design calculations for the proposed fiber reinforced plastic joint. Pipe joints are susceptible to two failure mechanisms, failure from the standpoint of strength and leakage. The strength design procedure is derived from first principles taking into account the orthotropy of the fiber reinforced plastic material. The leakage analysis follows the guidelines of the American Society of Mechanical Engineers Boiler and Pressure Vessel code. The analytical design calculations are checked using finite element analysis. The agreement is excellent. We also conducted a detailed finite element analysis of a particular joint, designed using the simplified method, in order to assess the safety of the simple design calculations.
Issue Date:1997-07
Publisher:University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report:Civil Engineering Studies SRS-616
Genre:Technical Report
Sponsor:National Science Foundation Grant SBC CMS 93-15240
Date Available in IDEALS:2009-11-16

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