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http://dx.doi.org/10.7234/kscm.2009.22.3.001

Characteristics of Structural Behavior and Safety Estimation of Water Supply GFRP Pipe  

Lee, Bo-Be (홍익대학교 대학원 토목공학과)
Lee, Seung-Sik (한국해양수산기술진흥원)
Joo, Hyung-Jong (홍익대학교 대학원 토목공학과 구조공학)
Yoon, Soon-Jng (홍익대학교 토목공학과)
Publication Information
Composites Research / v.22, no.3, 2009 , pp. 1-8 More about this Journal
Abstract
In this paper, we present the results of experimental and analytical investigations on the structural behavior of GFRP pipes used in the water supply pipeline system. Cross-section of the pipe is consisted with two GFRP tubes and polymer mortar between the tubes. Due to the advantages such as light-weight, corrosion resistance, smooth surface, flexibility, etc., use of GFRP pipe in the water supply pipeline system is ever increasing trend. Therefore, more optimized structural design methodology should be developed. In the investigation, we conducted theoretical and analytical studies on the load versus radial deformation characteristics of GFRP pipes. In addition, ring stiffness test is also performed. Test results are compared with theoretical and analytical results and it was found that the results are agreed well within 5% of radial deformation. Finally, it was also found that the GFRP pipes used in the water supply pipeline system are strong enough to satisfy the industrial requirements.
Keywords
GFRP Pipe; Ring Stiffness; Safety Estimation; Experiment; FEA;
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