[1]孙红燕,郑传超..长寿命路面沥青层内应变曲线驼峰现象分析[J].郑州大学学报(工学版),2011,32(01):22-25.[doi:10.3969/j.issn.1671-6833.2011.01.006]
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长寿命路面沥青层内应变曲线驼峰现象分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
32
期数:
2011年01期
页码:
22-25
栏目:
出版日期:
2011-01-10

文章信息/Info

作者:
孙红燕郑传超.
长安大学特殊地区公路工程教育部重点实验室,陕西,西安,7l0064, 长安大学特殊地区公路工程教育部重点实验室,陕西,西安,7l0064
关键词:
道路工程 沥青层内水平拉应变 弹性层状体系理论 长寿命路面 高模量层
DOI:
10.3969/j.issn.1671-6833.2011.01.006
摘要:
基于陕蒙高速长寿命路面结构组合形式,借助弹性层状体系理论分析沥青层内水平拉应变的变化规律,提出消除或缓和沥青层内水平拉应变曲线驼峰现象的措施.结果表明:当沥青联结层与沥青基层的模量比≥1.5时,沥青层内应变曲线驼峰出现,并且随模量比的增大,驼峰现象加剧.高模量层的存在是沥青层内驼峰现象出现的根本原因.只有当沥青联结层与沥青基层的模量比较接近时,沥青层内应变曲线的驼峰现象才有明显改善.分析结果为长寿命路面结构设计提供了理论基础.

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更新日期/Last Update: 1900-01-01