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Volume 7, Issue 1
Structural Engineering Test for Determining the Circumferential Modulus of Circular Pipes and Tubes
(Received 29 October 2017; accepted 24 April 2018)
Published Online: 2018
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This article proposes a structural engineering test method for determining the transverse flexural modulus of circular tubes and pipes made from fiber-reinforced polymer composite. The computed modulus from the proposed test can be used both in the design and in the qualification and acceptance procedures of these structural components. To validate the proposed test method, experiments were conducted on 23 metallic and 4 carbon fiber-reinforced polymer composite rings having different material properties, diameters, and thicknesses. In addition, three different test setups and measurement techniques were used where each ring was subjected to two collinear tension forces while recording both the force and the change-in-diameter along the line of action of the two forces. The recorded data was then used to compute the transverse moduli of the circular tubes. The transverse modulus values determined from the proposed test were compared with those obtained from material tensile and flexural coupon tests carried out on the same tube materials. The three test setups and measurement techniques yielded satisfactory results, suggesting that the proposed test method is viable for adoption in both laboratory and field testing while balancing its ease of use and cost.
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA
Bechtel, Andrew J.
Department of Civil Engineering, The College of New Jersey, Ewing, NJ
Stock #: MPC20170158
Title Structural Engineering Test for Determining the Circumferential Modulus of Circular Pipes and Tubes