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global behavior the global behavior of the girder is illustrated by global stress distributions for a representative load case (supplementary fig. 3). here, the conventional design (top left) shows a uniform distribution of the global stresses, while the new design (top right) shows a noticeable stress concentration. for the interpretation, the global stresses are distributed in a similar manner to the conventional design. hence, the analysis shows that the global behavior of the interpretation and the conventional design is similar. the interpretation has enabled the removal of the stress concentrations by creating diaphragms, and removing part of the concrete at the hanger.
local behavior the local behavior of the girder is illustrated by local stress distributions for the same load case (supplementary fig. 4). for the conventional design, the stress concentrations are clearly visible in the locations where the hangers are placed. for the interpretation, the stress concentration at the hanger is significantly reduced. the interpretation causes a significant structural change, which removes the stress concentration at the hanger, due to the increase in surface stiffness.
fatigue damage the fatigue damage accumulation of the girder at the hanger is illustrated by the fatigue life of the girder (supplementary fig. 5). for the conventional design, the fatigue life is of the order of 1000 hours, which corresponds to only five cycles. for the interpretation, the fatigue life is in the order of 2000 hours. the interpretation has increased the fatigue life by almost 30%. d8a7b2ff72
global behavior the global behavior of the girder is illustrated by global stress distributions for a representative load case (supplementary fig. 3). here, the conventional design (top left) shows a uniform distribution of the global stresses, while the new design (top right) shows a noticeable stress concentration. for the interpretation, the global stresses are distributed in a similar manner to the conventional design. hence, the analysis shows that the global behavior of the interpretation and the conventional design is similar. the interpretation has enabled the removal of the stress concentrations by creating diaphragms, and removing part of the concrete at the hanger.
local behavior the local behavior of the girder is illustrated by local stress distributions for the same load case (supplementary fig. 4). for the conventional design, the stress concentrations are clearly visible in the locations where the hangers are placed. for the interpretation, the stress concentration at the hanger is significantly reduced. the interpretation causes a significant structural change, which removes the stress concentration at the hanger, due to the increase in surface stiffness.
fatigue damage the fatigue damage accumulation of the girder at the hanger is illustrated by the fatigue life of the girder (supplementary fig. 5). for the conventional design, the fatigue life is of the order of 1000 hours, which corresponds to only five cycles. for the interpretation, the fatigue life is in the order of 2000 hours. the interpretation has increased the fatigue life by almost 30%.