摘要
在全国公路二级自然区划的基础上 ,依据地貌、地质和水文等主导因素和标志 ,将河南全省划分 6个三级自然区划。探讨了三级自然区划内的地貌、地质和水文特征 ,主要病害、自然条件对公路工程的影响 ,以及土基模量的取值范围。
On the basis of the second rank division of highway,Henan provice is divided into six parts according to the factors of the land feature,geology,hydrology and so on.These factors within the third rank division of highway are discussed.The effect of natural disease and natural condition to highway engineering,and the range of module of subgrade are analysised.
关键词
公路
自然区划
自然条件
土基模量
Highway Natural division Natural condition Module of subgrd
