软土路堤及边坡填土稳定性监控方法研究

摘要

During the filling construction of soft soil emban km ent and slope,if the loading rate is too fast,it will cause the instability of the emban km ent and slope,so monitoring the stability must be carried out.Based on two kinds of soft soil emban km ent stability monitoring methods on field observation empirical value and control chart,combined with an unstable failure examples of soft soil slope on rear miscellaneous pieces wharf,some inclinometer horizontal displacement and settlement monitoring data of soft soil slope are analy;zed.The results show that the inclinometer data is the most reliable monitoring index to reflect the stability of the slope.In order to ensure the stability of the slope,it is necessary to primarily control the horizontal displacement rate and secondarily the settlement rate.Based on the above analyses,a reasonable layout scheme for monitoring and controlling the stability of emban km ent is proposed in this paper.%软土路堤及边坡填筑施工时,若加载速率过快会造成路堤失稳破坏,必须进行稳定性监控.基于现场观测经验值和制作控制图两类软土路堤稳定性监控方法,结合某杂件码头后方场地软土边坡失稳破坏实例,分析了软土边坡破坏前测斜水平位移和沉降监测数据.结果表明:测斜数据是最为可靠反映边坡稳定性的监控指标,为确保边坡稳定,必须以控制水平位移速率为主,沉降速率为辅.通过研究提出了较为合理的路堤稳定性监控监测仪器布置方案.