In this paper,the key controls measures for settlement observation of roadbed,bridge and culvert,tunnel were researched and settlement deformation was forecasted by extended hyperbolic method.

• 在研究客运专线路基、桥涵和隧道的沉降观测的技术方案等关键控制技术的基础上,使用扩展双曲线法对路基沉降结果进行了预测。