| 黄土公路隧道预支护施工技术研究 |
| |
| 引用本文： | 李正安,柴江.黄土公路隧道预支护施工技术研究[J].甘肃科学学报,2011,23(4):45-49. |
| |
| 作者姓名： | 李正安 柴江 |
| |
| 作者单位： | 1. 兰州理工大学电信学院,甘肃 兰州,730050
2. 兰州理工大学土木工程学院,甘肃 兰州,730050 |
| |
| 摘 要： | 针对目前黄土公路隧道设计与施工的现状以及存在的问题,结合在建古浪隧道实体工程,分析了小导管注浆超前支护施工技术的要点,利用ANSYS程序建立三维实体模型分析预支护技术对开挖围岩的稳定性影响及围岩和支护结构在施工过程中的受力变化情况.结果表明,超前支护可以提高围岩自稳自承的能力,减小围岩的收敛变形.
|
| 关 键 词： | 黄土隧道 超前支护 数值模拟 稳定性 |
Study of Advanced Supporting Technology of Loess Highway Tunnels |
| |
| LI Zheng-an,CHAI Jiang.Study of Advanced Supporting Technology of Loess Highway Tunnels[J].Journal of Gansu Sciences,2011,23(4):45-49. |
| |
| Authors: | LI Zheng-an CHAI Jiang |
| |
| Institution: | LI Zheng-ana,CHAI Jiangb(School of Telecommunicationsa,School of Civil Engineeringb,Lanzhou University of Science and Technology,Lanzhou 730050,China) |
| |
| Abstract: | By analyzing the status quo and practical problems existing in the design and construction of loess highway tunnels,combined tightly with the establishment of Gu-Lang loess highway tunnel,the key construction technique of advanced supporting is studied.A three-dimensional solid model of ANSYS program is used to analyze the stability of surrounding rocks and the consecutive variations of the forces of the structures.Our conclusion is:the surrounding rocks can enhance the ability of stable self-supporting and... |
| |
| Keywords: | loess tunnel advanced supporting numerical simulation stability |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
