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山区公路中,不稳定的斜坡路堤是一种常见的断面形式,设计中以采用各类型重力式支挡结构物为主。但若基底遇深厚软基,在倾斜面填料和软土共同作用下,结构受力机理则相对较为复杂,普通支挡方案往往难以成立。重庆市黔彭高速公路D1合同段一处软基陡坡高路堤,通过采取抗滑桩板墙下支挡的工程措施,有效控制了路堤的沉降和侧向变形,取得了良好的经济效益和社会效益。
Among mountainous roads, the unstable slope embankment is a common cross-sectional form, and various types of gravitational retaining structures are used in the design. However, if the foundation meets the deep soft foundation, under the joint action of the inclined surface filler and the soft soil, the mechanism of the structure stress is relatively complicated, and the ordinary support scheme is often difficult to set up. Chongqing Qian Peng Highway D1 contract section of a soft foundation steep slope embankment, through the anti-slide pile wall support measures to effectively control the embankment settlement and lateral deformation, and achieved good economic and social benefit.