低等级道路再生料路面结构设计参数取值分析  

Analysis of parameter values for structural design of low grade road recycled material pavement

作　　者：黄井勇 胡根虎 徐玉睿 臧志伟 Huang Jingyong;Hu Genhu;Xu Yurui;Zang Zhiwei(Huitong Construction Group Co.,Ltd.,Gaobeidian Hebei 074000,China)

机构地区：[1]汇通建设集团股份有限公司,河北高碑店074000

出　　处：《山西建筑》2024年第12期119-122,共4页Shanxi Architecture

摘　　要：为明确低等级再生料路面结构设计时各参数对设计指标的影响规律,拟定典型路面结构形式,在基层和底基层采用建筑垃圾再生混合料,并用HPDS 2017软件进行路面结构验算。结果表明:提高建筑垃圾在基层掺量会减小基层和底基层的疲劳寿命,但提高建筑垃圾在底基层掺量却会增大基层疲劳寿命,但仍然减小底基层疲劳寿命;增大基层厚度会提高基层疲劳寿命,却会降低底基层疲劳寿命,增大底基层厚度会提高基层和底基层疲劳寿命;沥青混合料层疲劳寿命随上面层和下面层模量增大而减小,基本不受其他因素的影响。To clarify the influence of various parameters on the design indicators in the design of low-grade recycled material pavement structure,this article proposes a typical pavement structure form,using construction waste recycled mixture in the base and subbase layers,and conducting pavement structure verification using HPDS 2017 software.The results show that increasing the amount of construction waste added to the base layer will reduce the fatigue life of the base layer and subbase layer,but increasing the amount of construction waste added to the subbase layer will increase the fatigue life of the base layer,but still reduce the fatigue life of the subbase layer;increasing the thickness of the base layer will increase the fatigue life of the base layer,but it will reduce the fatigue life of the subbase layer.Increasing the thickness of the subbase layer will increase the fatigue life of the base layer and the subbase layer;The fatigue life of asphalt mixture layer decreases with the increase of modulus of the upper and lower layers,and is basically not affected by other factors.

关 键 词：低等级道路 再生料路面 结构参数 材料参数 

分 类 号：U414[交通运输工程—道路与铁道工程]