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本文简要地分析了影响确定临界荷载理论值的因素，比较分析了钢筋混凝土薄壳设计临界荷载的各个公式及其特点，在此基础上提出了基于线性和非线性理论的设计临界荷载和安全系数的计算公式。文中还强调了基于经典线性理论的计算公式的适用范围。一些工程实例表明本文提出的设计临界荷载及安全系数的取值是先进合理的，可为网壳结构的设计提供参考。
This paper briefly analyzes the factors that affect the determination of critical load theoretical values, and compares and analyzes the various formulas and characteristics of the critical load of reinforced concrete thin shell design. On this basis, the design critical loads and safety factors based on linear and nonlinear theory are proposed. The calculation formula. The text also emphasizes the scope of application of the calculation formula based on the classical linear theory. Some engineering examples show that the design critical loads and safety factors proposed in this paper are advanced and reasonable, and can provide reference for the design of lattice shell structure.