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本文根据某大型拱桥的模型试验研究,对徐变收缩导致截面应力重分布问题,提供了系统的实测资料,并与徐变换算截面特性法的理论计算结果作了详细对比分析。在此基础上,对大桥的设计施工提出了有益的建议。
In this paper, based on the model test of a large arch bridge, a systematic measurement data is provided for the problem of stress redistribution caused by creep shrinkage, which is compared with the theoretical calculation results of the creep-transformed cross-section characteristic method. On this basis, the design and construction of the bridge made some useful suggestions.