By comparing the stress distribution and anchorage length of TTA with different anchorage systems, the reasonable anchorage system for TTA is proposed from themechanical aspect.

• 通过对采用不同锚固系统的隧道锚内力分布及相应的锚体长度对比,从力学角度建议了隧道锚的合理锚固系统形式。