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进行了上海世博轴膜结构缩尺模型试验研究,试验中测试了初始状态时拉索拉力和膜面初始应力,与膜结构设计计算软件进行了对比;观察了断索情况下膜结构的变形特点和安全性能。试验表明,现行膜结构设计计算软件在计算大型复杂膜结构时具有较高的可靠性,世博轴膜结构在断索情况下不会发生连续倒塌现象。
A scaled model test study of the Shanghai World Expo Axial Membrane Structure was conducted. During the test, the tensile force of the cable and the initial stress on the film surface were tested. Compared with the film structure design calculation software, the deformation characteristics of the film structure under the condition of the broken cable were observed. Safety performance. Experiments show that the current membrane structure design calculation software has high reliability in the calculation of large-scale complex membrane structures, and the World Expo Axis membrane structure will not continue to collapse in the case of broken cables.