Numerical simulation results are also given.Compared with the general concrete shotcrete layer, the stress distribution in the PFC shotcrete layer is more homogeneous and the yield ability is better.

• 数值模拟结果表明，与普通混凝土喷层相比，聚丙烯纤维混凝土喷层中的应力分布较均匀，有较好的让压能力；