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Steel tube may produce initial stress under the process of the steel tube concrete arch bridge construction, how old effect does it to ultimate load of stability of arch rib, so far there is nobody bringing forward the data studying concretely. According to construction steel tube concrete arch bridge, The calculation method of spatial solid-beam element which contains the initial stress was introduced...
The ANSYS-based intelligent control system which composed of high-speed data acquisition subsystem, calculation and assessment subsystem, data based subsystem was established. Data such as the strain and temperature were gathered by automatic acquisition instruments, then transmited to database subsystem through Internet. The data were filtered and performed by APDL (ANSYS parametric design language)...
Daning River Bridge is a steel truss arch bridge with triple-ribs. Its' main arch were installed by non-bracket cable-stayed suspension. Calculation of cable force is a key problem while segments were assembled. For structural features of this bridge, an optimization method was presented, which regarded minimum displacement deviation caused by cable force and self-weigh between cable-released arch...
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