福州大学学报(自然科学版)2017,Vol.45Issue(4):577-581,5.DOI:10.7631/issn.1000-2243.2017.04.0577
路面结构新型排水系统性能模型试验研究
Model test research on the performance of the new pavement drainage system by geocomposite
摘要
Abstract
Based on unsaturated seepage theory,this paper proposes a new type of pavement drainage system,which is based on the use of geocomposite materials as drainage channel.From the top to the bottom part of the new drainage system is transport layer,capillary barrier layer and isolation layer.In this paper,the author uses unsaturated seepage theory to research the performance of new pavement drainage system.The model test is carried out.Comparing with the new drainage system and the traditional drainage method,model test monitors the pavement structure layer drainage volume and matrixsuction.Model test result shows that the new drainage system can start draining when the base was in unsaturated state.The drainage capacity of the new drainage system is 1.25 times than the traditional drainage,and the new drainage system can be more rapid drainage,which can reduce the internal moisture of the pavement base layer and improve its bearing capacity.关键词
路面结构/排水系统/水力传导层/非饱和渗流/复合土工合成材料Key words
pavement/drainage system/transport layer/unsaturated seepage/geocomposite分类
交通工程引用本文复制引用
刘毓氚,缪宏杰..路面结构新型排水系统性能模型试验研究[J].福州大学学报(自然科学版),2017,45(4):577-581,5.基金项目
福建省自然科学基金资助项目(2017J01466) (2017J01466)
福建省交通厅科技项目(201423) (201423)
厦门市建设局科技项目(xjk2015-1-2) (xjk2015-1-2)