陕西安康位于秦岭北麓,是典型的山岭重丘区,由于地形条件的复杂多样性,近年来安康市山洪爆发给公路交通造成灾难性的破坏。因此,针对不同地区、不同路段有的放矢,采取综合治理措施,预防和根治水毁灾害的发生。易受损路段类型修建年代早、技术标准低的路段国省道交通量大,干砌挡墙已不能满足其行车荷载要求,在近年的大中修工程中应逐步进行改造。有条件修筑保通便道的路段,可拆除重建,不具备条件的,可采用外绑挡墙或局部改线, Ankang, Shaanxi is located in the northern foot of the Qinling Mountains, is a typical mountain heavy hilly area, due to the complex diversity of terrain conditions, in recent years, the flood of Ankang City to highway traffic caused a catastrophic damage. Therefore, for different regions and different sections of the targeted, comprehensive management measures to prevent and cure the occurrence of water damage disaster. Vulnerable sections of the type of construction early, the low technical standards of the provincial highway traffic, dry wall can not meet the requirements of its driving load in recent years, major and minor repair projects should be gradually transformed. Conditions for the construction of Paopao Road sections can be demolished and rebuilt, do not have the conditions can be tied outside the wall or partial rewire,