含多层泥化夹层边坡预应力锚索加固研究

Study on prestressed anchor cable reinforcement of slope with multilayer slime sandwich based on numerical simulation

泥化夹层常见于西南地区的工程边坡中,为探究预应力锚索对含多层泥化夹层边坡的加固方案,采用有限元软件PLAXIS建立三维模型分析了预应力锚索与泥化夹层夹角以及锚索长度对边坡的支护效果,结果表明:锚索锚固角取25°,锚索长度30 m时,安全系数最大,支护效果最佳。

Muddied interlayer is common in engineering slopes in southwest China.In order to explore the reinforcement scheme of prestressed anchor cable on slope containing multi-layer muddied interlayer,a three-dimensional model was established by finite element software PLAXIS to analyze the supporting effect of the angle between prestressed anchor cable and argillated interlayer and the length of anchor cable on slope.The results show that:when the anchoring angle of anchor cable is 25°and the length of anchor cable is 30 meters,the safety factor is the maximum and the supporting effect is the best.