在外界自然因素变化作用影响下，路基强度保持相对稳定，从而在最不利的地质水文气候条件下，尚能保持一定强度，使由荷载产生的路基变形不超过允许限度的能力。
④Due to the action of reservoir water, reduction of shear strength(c、φ) of rock-soil mass may be unfavorable for subgrade stability.
④由于库水作用,岩土体抗剪强度c、φ值的降低对路基稳定性也是不利的。
参考来源 - 山区库岸路基稳定及防护技术试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
采动引起的地表移动变形是确定路基稳定性、分析采空区影响程度的主要依据。
The main principle to determine the stability of roadbed and to analyse the influence degree is the surface deformation caused by mining.
文章介绍了路基常见的病害的种类及定义，探讨了影响路基稳定性的各种因素。
The paper introduces the types and definitions of the common damages to roadbeds and probes into factors affecting their stability.
高温–高含冰量冻土在外荷载作用下会产生较大的压缩变形，对路基稳定性产生极大影响。
The warm and ice-rich frozen soil under an outside load will generate relatively large compression deformation which greatly influences the stability of roadbed.
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