Abstract
The flexibility of a full-scale, three-dimensional, two-anchor pipeline has been investigated experimentally by measuring the end reactions resulting from controlled anchor movements. The results are compared with design calculations and show a satisfactory agreement. These tests were supplemented by experiments on individual pipe bends which were subjected to in-plane and out-of-plane bending while measurements were made of the resulting stresses, deflections and cross-sectional distortion. The results compared satisfactorily with calculations especially when these were modified to allow for variations of the flexibility factor.

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