控制架空输电线路终端塔向受力侧倾斜的方法

Prevention methods of power transmission line’s terminal tower inclining toward stressed side

针对白银—银川东750 kV输电线路两端终端塔向受力侧倾斜问题,对终端塔向受力侧倾斜原因进行分析,采取调整终端塔基础施工工序、补偿基础承载力、提高螺栓紧固率和合理布置反向拉线平衡挠度等技术措施,有效阻止了终端塔向受力侧倾斜,保证了工期,避免了不必要的经济损失。结果表明:该方法的使用,节约了工程成本,保证了施工安全,提高了铁塔基础的安全稳定性。

AAiming at the problems of two-terminal tower inclining toward stressed side in 750 kV power transmission line from Baiyin to Yinchuan East,analyzes the inclining causes,the analysis re sult shows that to adopt the technical measures such as adjusting the foundation installation proce dure,compensating the foundation bearing capacity,improving the fastening rate of bolt and disposing reasonably the balance bending of reverse direction stayguy,can effectively prevent terminal tower in clining toward stressed side,avoid unnecessary economic losses and project lag,save project cost,re duceinstallationsafetyrisks and improvethe security and stability of tower foundation.