摘要
为研究软岩边坡在施工过程中的变形以及稳定性,以广西隆林至百色软岩高边坡为例,运用大型岩土软件FLAC3D,对边坡在开挖及锚固过程中岩体的位移场、应力场及塑性区的变化情况进行仿真模拟和全面分析.研究结果表明,边坡在无支护条件下其局部安全性难以保证,整体安全性基本可以满足,边坡在及时支护条件下开挖可以满足安全性要求.
To study the deformation and stability of soft rock mass slope during excavation,taking a high soft rock slope of Guangxi Longbai express way as an example,displacement,stress field and plastic zone of the slope during excavation and supporting process is fully simulated and analyzed with FLAC3D.The result shows that in the condition of slope without supporting,the local security is difficult to be ensured in the short term,the integral security could meet the requirement.After the implementation of support measures,the slope stability can meet the safety requirements.
出处
《长沙理工大学学报（自然科学版）》
CAS
2010年第2期1-5,共5页
Journal of Changsha University of Science and Technology:Natural Science
基金
广西交通厅科技资助项目(2009-017)
关键词
软岩高边坡
数值仿真
锚固效果
high slope of soft rock
numerical simulation
anchoring effect
