济南市北郊环路是一条地处黄河下游岸边、地势低洼地区并按国家二级公路标准和城市干道要求进行设计和建设的道路工程.它完全处于软弱路基地段.现将该工程对软弱路基处理的几种方法,介绍如下. The northern outskirts of Jinan City is a road project located in the lower reaches of the Yellow River, low-lying areas and designed and constructed according to the requirements of the national second-class highway standards and urban arterial roads .It is completely in the weak subgrade section. Subgrade treatment of several methods are described below.