Sensor distribution method for bowstring arc bridge structure made of special-shaped steel tube concrete
A technology for tied arch bridges and special-shaped steel pipes, which is applied in the fields of instruments, special data processing applications, and electrical digital data processing. Requirements for the safety assessment of complex structures, the inability to accurately analyze the local stress state, etc., to achieve the effect of ensuring robustness
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[0031] The sensor layout method for the special-shaped steel pipe concrete tied arch bridge structure of the present invention comprises the following steps:
[0032] 1) According to the special-shaped concrete-filled steel tube tied arch bridge structure, the general finite element program is used to establish the overall finite element model of the whole bridge structure and the fine sub-model of the inverted triangular rigid frame, and define the inverted triangular rigid frame in the overall finite element model of the full bridge structure Cutting boundary nodes of fine submodels;
[0033] 2) For the overall finite element model of the full bridge structure established in step 1), conduct the response analysis of the full bridge structure under the action of dead load and traffic load respectively, and then determine the vulnerability of the integral stressed members according to the results of the response analysis , and then determine the sensor layout items and sensor ...
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