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把“回归正交试验分析法”这种在试验组织及试验数据处理中常用的分析方法引入到数值模拟中，结合本钢南芬铁矿岩石胶带运输系统1#驱动站大洞室的锚喷支护参数优化问题，建立了洞室稳定性指标与锚喷参数之间的经验公式，为洞室工程的稳定性分析提供了理论依据，对实际工程施工也有重要的参考价值。
The regression analysis method which is commonly used in the test organization and experimental data processing is introduced into the numerical simulation by “Regression Orthogonal Experiment Analysis Method”. Combined with the anchor and shotcrete of the large caverns in No.1 # drive station of the rock belt conveyor system of Nanfang Iron Mine The optimization formula of parameter optimization is established. The empirical formula between stability index and anchor spray parameters is established, which provides a theoretical basis for the stability analysis of cavern project and also has important reference value for actual project construction.