期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 122, 期 -, 页码 694-701出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.06.103
关键词
Composite pipes; Filament winding; Creep analysis; Long-term behavior; Theoretical modeling
资金
- University of Tehran [28719/01/01]
A computational modeling procedure is developed for simulating long-term creep behavior of Glass Fiber Reinforced Plastic (GFRP) mortar pipes subjected to internal pressure. The modeling procedure includes creep evaluation, stress analysis, failure evaluation and degradation of mechanical properties. Different levels of internal pressure are examined to obtain sufficient data point on failure-pressure versus time-to-failure graph up to 100,000 min. At each specific pressure level, the modeling procedure continues till the functional failure is distinguished implying on weepage phenomenon. Obtained data are extended to 50 years using extrapolation technique for predicting the remaining strength of investigated GFRP pipe after 50 years. (C) 2016 Elsevier Ltd. All rights reserved.
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