1·For the sake of researching shoring technology in the profundity alluvium, introduced Vertical additional Force and devising well structure.
为了研究深厚冲积层井简的支护技术，引入竖向附加力，进行井壁结构设计。
2·The rationality of excavation method and shoring project is evaluated.
评价开挖方式和支护方案的合理性。
3·The distortion and destroy form of coved laneway in complicated stress condition are diversity, and it is relative with rock character, crustal stress and shoring structure.
拱形巷道在复杂应力条件下的变形以及破坏形式呈多样化，与围岩性质、地应力和支护结构相关。
4·Using slope shoring method combined borehole pile and high pressure jet grouting pile and anchor is an important mean to protect the safety of the existing buildings around the foundation pit.
采用钻孔桩及高压旋喷桩与锚索相结合的边坡支护方法，是保护基坑周边已有建筑物安全的一种重要手段。
5·This paper introduces the present status of construction of tunnel projects home and abroad, explains the mechanism and shoring method of weak wall rocks and excavation of unfavorable tunnels.
本文介绍了国内外隧洞工程施工的现状，阐述了软弱围岩和不良地质隧洞开挖失稳的机理和支护方法。