雅西高速公路K203＋110～K203＋200段位于昔格达地层,结合该段线路挖方高边坡,对引发其失稳的原因进行简要分析,并通过计算判断该高边坡在天然状态、饱和状态和地震状态等不同工况条件下的稳定性,提出相应的工程措施,从而保证公路工程建设安全顺利进行。%Ya-Xi highway K203 ＋ 110 - K203 ＋ 200 section lies in Xigeda stratum. Combining with high excavation slope of the section, the paper briefly analyzes the instable causes, and calculates the stability of the high slope under various conditions such as natural condition, satura- tion condition and earthquake, and puts forward corresponding engineering measures, so as to ensure smooth and safe highway engineering construction.
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