The nonlinear buckling analysis of a large complex roof reticulated shell is made and a real time assessment of structural stability is presented. 進(jìn)行了大型屋頂網(wǎng)殼結構的非線(xiàn)性屈曲分析，提出了支撐鋼牛腿失效后網(wǎng)殼結構穩定性的實(shí)時(shí)評估策略。
The concrete slabs strengthen the torsion buckling capacity of the steel grids and enhance the minimum geometric nonlinear buckling load. 混凝土面板加強了網(wǎng)架的抗扭轉屈曲能力，提高了最小幾何非線(xiàn)性屈曲荷載。
