论文部分内容阅读
公路水毁是指暴雨、洪水对公路路基、路面、桥涵及其他构造物造成的损毁。我国山区和丘陵面积占国土面积近三分之一,山区公路的水毁既严重又普遍,那么,在山区公路的新改建过程中,应该如何针对水毁发生的特点进行施工呢?我在实践中,有四点体会。一、控制好路基的标高。路基最低设计标高是按照一定的洪水频率所定的,由于山区公路情况多变
Road water damage refers to heavy rain, flood damage to road embankments, pavement, bridges and culverts and other structures. In our country mountain and hilly area accounts for nearly one-third of the land area, mountainous road water damage is both serious and common, then, in the new reconstruction of mountainous highway, how should the construction for the characteristics of the occurrence of water damage? I practice In four, there are four experiences. First, control the subgrade elevation. Subgrade minimum design elevation is in accordance with a certain frequency of the flood set by the mountainous area due to the changing road conditions