几种公路边沟应用效果评价

为了推广应用综合效果最好的公路边沟，基于对江苏省扬州市、常州市及苏州市境内多条公路边沟的调研，采用构建AHP评判矩阵的方式，从生态效益、景观效益、经济效益3个方面，对目前应用较多的8类公路边沟进行分析与评价，并得出结论：8类边沟综合效果由好到差排序依次是草皮边沟、暗埋式边沟、生态边沟、土质边沟、梯形边沟、矩形（盖板）边沟、弧形边沟、浆砌片石边沟，其可作为选择公路边沟类型的依据。

Evaluation for Application Effects of Several Highway Side Ditches

In order to popularize application of highway side ditches with the best comprehensive effect and based on the investigations for multiple highway side ditches in Yangzhou, Changzhou and Suzhou of Jiangsu Province, this paper analyzes and evaluates 8 types of highway side ditches more applied from 3 aspects, i.e. ecological benefit, landscape benefit and economic benefit by establishing at present the AItP evaluation matrix, and draws a conclusion： 8 types of side ditches with the comprehensive effects form good to bad in sequence are turf side ditch, hidden buried side ditch, ecological side ditch, soil side ditch, trapezoidal side ditch, rectangular （cover plate） side ditch, arc side ditch and mortar rubble side ditch, which can be the basis for selecting the types of highway side ditches.