论文部分内容阅读
防眩方式的选择在近年来河北省的高速公路建设中,利用高速公路中央分隔采用绿化防眩的做法比较普遍,但在实际工作中我们也发现了一些问题:一、由于高速公路高污染、中央分隔带填土贫瘠、水源匮乏、绿化成活率低、养护费用高、防眩效果不明显这一现状,再结合本段高速公路所处地理环境——沿海地区、盐碱土地、淡水资源短缺等原因,植被成活率低,很难采用绿化防眩;第二、
In recent years, the construction of the highway in Hebei Province, the use of green central highway separated by green anti-glare practice is more common, but in actual work we also found some problems: First, due to the high pollution of the highway, The situation of barren landfill, water shortage, low survival rate of greening, high maintenance cost and no obvious anti-glare effect of the central dividing line, combined with the geographical environment of expressway in this section - the coastal areas, the shortage of fresh and saltwater resources And other reasons, the survival rate of vegetation is low, it is difficult to use anti-glare green; Second,