the surrounding rock pressure of deep soil tunnel can calculate by modified KAKE formula, the surrounding rock pressure of shallow soil tunnel belongs to flexible pressure and pressure figure seems cat ear;

• 深埋隧道围岩压力可按基于弹塑性理论的卡柯公式计算，浅埋隧道围岩压力属松动压力，分布呈“猫耳朵”形状；