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基于正交试验原理，把正交设计方法与地下工程有限元数值模拟有机地结合应用于锚喷支护参数的优化，形成基于正交试验原理的洞室锚喷参数设计系统的基本思路。并以此为基础编制了相应的程序，应用于地下工程锚喷支护设计。
Based on the orthogonal test principle, the orthogonal design method and the finite element numerical simulation of underground engineering are organically applied to the optimization of the anchor-spray support parameters, and the basic idea of the cave-anchor-spout parameters design system based on the orthogonal test principle is formed. Based on this, a corresponding program was developed for the design of bolting support for underground engineering.