某输电线路高边坡分阶段防治效果研究

Evaluation of High Slope Staged Remediations for a Tower of the Power Transmission Line

输电线路塔位由于空间走廊、地形地貌等的限制,部分塔位需建于边坡之上,随着铁塔施工逐渐加载,若不及时干预,边坡稳定性会越来越差,会给塔位带来安全隐患,甚至发生倒塔事故,且边坡防治工作往往周期较长,会极大影响输电工作能否及时完成。通过极限平衡法等方法依靠理正岩土工程计算分析软件对某输电线路高陡边坡的分阶段防治进行了分析研究。分析结果表明,分阶段选择合理的防治措施对边坡进行防治,可以达到合理安排输电工程工序,节省输电工程时间,保证工程顺利推进的目的。

Due to the limitation of the passage space and the topography,some towers of the power transmission line need to be installed on the slope.With the gradual loading of tower construction,the slope stability will become worse and worse if the slope is not reinforced in time,which will induce a potential safety hazard to the tower and even cause the tower collapse.In addition,the slope remediation is always time consuming.which will greatly affect the timely completion of the power transmission construction project.Based on the Lizheng geotechnical engineering evaluation and analysis software,the staged remediation of the high and steep slope of the tower of a power transmission line has been analyzed by the limit equilibrium method.The analysis results show that selecting reasonable staged remediation method can achieve these goals,such as reasonable arrangement of the power transmission engineering process,saving power transmission construction time and moving the project forward smoothly.