滚轮密度仪在沥青路面压实度检测中的应用研究
Application of Roller Density Gauge in Asphalt Pavement Compaction Assessment
邓明超 1曲大海1
作者信息
- 1. 广东省南粤交通雄信高速公路管理处,广东 南雄 512445
- 折叠
摘要
为了分析滚轮密度仪压实度测试方法的优缺点,验证其可靠性和准确性,分别选取长度为300m的桥面和路基段AC-20 中面层进行测试,并与钻芯法和无核密度仪法测试结果进行对比.结果表明,在路基段和桥面段滚轮密度仪和无核密度仪与芯样测试结果存在一定偏差,但整体偏差不大于 3%;在路基段滚轮密度仪和无核密度仪测试结果有较好的相关性,但在桥面段存在一定偏差;与钻芯法和无核密度仪法相比,滚轮密度仪能够连续检测沥青路面的压实度,可减少对沥青路面的破坏,提高检测效率,扩大检测范围.
Abstract
In order to analyze the advantages and disadvantages of the compaction test method using roller density gauge and to verify its reliability and accuracy,this study selected a 300-meter section of the bridge deck and subgrade AC-20C intermidiate layer for testing.The test results were compared with those obtained from the core drilling method and the non-nuclear density gauge method.The results indicated that there are a certain deviation between the roller density gauge and the non-nuclear density gauge in both the subgrade section and bridge section,but the overall deviation is less than 3%.The test results from the roller density gauge and non-nuclear density gauge exhibit good correlation in subgrade section,although there is a certain deviation in bridge section.Compared with the core drilling method and the non-nuclear density gauge method,the roller density gauge can continuously detect the compaction degree of the asphalt pavement,reducing damage to the asphalt pavement,improving detection efficiency,and expanding detection range.
关键词
道路工程/沥青路面/压实度/无损检测Key words
road engineering/asphalt pavement/compaction degree/nondestructive testing引用本文复制引用
出版年
2024
NETL
NSTL
万方数据