动静荷载下层状围岩隧道应力集中分布特征

杨玉民,蒋楠,姚颖康,周传波,蒙贤忠,赵茉溪

Characteristic of stress concentration distribution in layered rock of tunnel under dynamic and static load

Yumin YANG,Nan JIANG,Yingkang YAO,Chuanbo ZHOU,Xianzhong MENG,Moxi ZHAO

表 6 方差分析

Tab.6 Analysis of variance

指标 方差来源 偏差平方和 自由度 均方和 F值 显著性 f Q1 13.708 4 3.427 24.833 ** Q2 62.835 4 15.709 113.833 *** θ 4.989 4 1.247 9.036 * A 0.550 4 0.138 — — fmax Q1 23.945 4 5.986 5.527 * Q2 247.236 4 61.809 57.072 *** θ 18.069 4 4.517 4.171 × A 4.332 4 1.083 — —