Abstract:This paper reports effects of gravel layers as a thrust restraint in a pipe bend subjected to earthquake loading based on the shaking table tests in a centrifuge. The model pipe was buried under four backfill conditions differing in the existence and layout of a gravel layer. The pipe was pulled laterally with a constant load, simulating the thrust force generated at bends in pressure pipelines with diameters of 1800 mm. Shakings were conducted on the model pipe with lateral loading. The test results showed th… Show more
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