(Received 2 January 1994; accepted 16 June 1994)
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Unplasticized PVC pipes were tested using static and dynamic testing conditions. The static test was performed by pressurizing the pipes at a strain rate of 1 × 10−4 s−1 and the dynamic test was carried out using a drop hammer apparatus at a strain rate of 8 s−1. The most pronounced influence of the high strain rate was a reduction in the failure hoop strain and an increase in the Young's modulus. An empirical formula was fitted to the stress-strain curves to represent the nonlinear and strain rate dependent behaviors.
University of Bahrain,
Stock #: JTE11864J