| 1. | The paper discusses the employing condition , mechanical principle , reinforce effect , economic guideline and construction requirements of various auxiliary construction methods in surface ground and inside tunnel , then summarizes the design parameters of these methods and illuminates how to choose them 论文讨论了在隧道洞口段进行地表加固和洞内加固的各种辅助工法,对这些工法的适用条件、力学原理、加固效果、经济指标和具体施工要求等进行了论述,总结出了各种辅助工法的设计参数。 |