广州市轨道交通五号线猎—潭区间采用盾构法施工，其间要下穿猎德涌桥和马场路口18号人行通道等构筑物，18号人行通道共有19根桩基侵入隧道，通过多种方案比选，采用人工挖孔的方式对侵入隧道的桩基进行了破除处理，保证了人行通道的结构安全和盾构掘进施工的顺利通过。

LieTan section of No. 5 Line of Guangzhou Metro, which is constructed by shield machine, crosses underneath Liedeyong Bridge, No. 18 underground passage and other structures. 19 foundation piles of No. 18 underground passage intrude into the tunnel. Manualcut borehole method is adopted on basis of comparison and contrast to demolish the foundation piles intruding into the tunnel, which guarantees the safety of the underground passage structure and the successful boring of the shield machine.