高等级的公路修建时,由于桥涵通道多,因而高路提也不少,如软弱地基不加处理,往往造成较大的沉降和侧向位移,影响行车的快速、舒适甚至安全,而目前公路软基处理主要是采用换填,固结排水,复合地基铺以土工格栅、土工布,反压护道等方法,均获得令人满意结果。这些处理方法具有经济、安全、施工操作简单,效果好等特点。 High-grade highway construction, due to the bridge and culverts and more, so a lot of high-lift road, such as the soft ground without treatment, often resulting in greater settlement and lateral displacement, affecting traffic fast, comfortable and even security, and the current highway Soft foundation treatment is mainly used for replacement, consolidation drainage, composite foundation paved with geogrid, geotextile, anti-pressure guard Road and other methods, have obtained satisfactory results. These treatment methods have the characteristics of economy, safety, simple construction operation and good effect.