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A 3D parametric finite element model of the pipeline and soil is established using finite element method to perform the failure analysis of natural gas buried X65 steel pipeline under deflection load.
Second, based on the non-linear stabilization algorithm, an improved finite element model is established to predict the load-bearing ability of buried pipelines under deflection load, and the nonlinear contact interaction between the pipeline and soil is considered.
Low-cycle fatigue tests of rotating cantilevered notched beams under deflection controlled conditions are conducted on four grades of high strength medium alloy steel of hardness 280, 310, 350 and 380 HB.
It is shown that the mathematical model not only accurately predicts the experimental behavior of circular DCFST slender columns but also effectively monitors the load distributions in concrete and steel components of DCFST slender columns under deflection increments.
All the beams were subjected to three-point and four-point bending tests under deflection control, with the loading, deflection and failure modes recorded to the point of failure.
Similar(55)
Under sagging deflection loading, the composite subassembly showed a greater initial stiffness than the steel subassembly.
The cycle bending fatigue behavior of Grade 91 was studied under constant deflection.
The models address the non-linearity of load-equilibrium equations, applied in the deformed configuration, under small deflection hypothesis.
Glass-reinforced thermosetting plastics (GRP) pipes are typically tested under ring deflection and/or internal pressure conditions.
In this study, experimental creep data obtained from standard test methods under ring deflection conditions were used.
Particularly, effects of the surrounding soil, internal pressure and pipeline geometry are comprehensively investigated for the risk assessment of buried pipeline under large deflection.
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