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本文研究了板桁钢桥的空间计算方法,确定了计算模型,推导了有关的算式,据此编制了能用于中小型电子计算机的程序,并对跨度为12米的板桁钢桥的试验模型进行了空间分析。计算结果和模型试验资料的比较说明,本文所用的空间计算方法及所编的程序能较好地反映结构的工作状态,可在钢桥的空间计算中实际应用。
In this paper, the space calculation method of the truss girder bridge is studied, the calculation model is deduced, the relevant formulas are deduced, and the program which can be used in the small and medium-sized electronic computer is compiled. The test of the steel truss bridge spanning 12 meters The model is spatially analyzed. The comparison between the calculation results and the model test data shows that the space calculation method and the program compiled in this paper can reflect the working status of the structure well and can be practically used in the space calculation of the steel bridge.