Abstract
The static load test of a three-span continuous box girder in Huzhou City, Zhejiang Province is analyzed and calculated by using the grillage method and the single main girder method. The rationality of the two calculation models is compared with the field load test data. The calculation results show that the results of grillage method are more consistent with the experimental results than that of single girder method, and the safety of the calculation results is higher. Therefore, in the load test of multi-compartment box girder bridge, the grillage method is more reasonable and can better reflect the mechanical characteristics of the bridge structure.
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