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SDG密度仪填土压实度检测试验
引用本文:顾欢达,杜智亮,薛国强,胡舜.SDG密度仪填土压实度检测试验[J].重庆交通大学学报(自然科学版),2012,31(6):1165-1170,1184.
作者姓名:顾欢达  杜智亮  薛国强  胡舜
作者单位:1. 苏州科技学院土木工程学院,江苏苏州,215011
2. 常熟市住建局,江苏苏州,215500
3. 常熟市工程质量检测中心,江苏苏州,215500
摘    要:SDG密度仪是一种基于电磁学原理的密度检测仪,在用于路基填土压实度检测过程中,可进行现场压实填土密实度的快速无损检测,从而实现对现场填土压实质量的动态实时检验与控制。根据密度仪的特性实施现场与室内模拟试验,结果显示SDG密度仪具有良好的稳定性与可靠性,适合于黏性填土密度的快速无损检测,尤其是对于干密度为1.5 g/cm3以上的黏性填土显示良好的准确性与可靠性。

关 键 词:SDG密度仪  压实度  灌砂法

Detecting Subgrade Compaction by Soil Density Gauge
Gu Huanda , Du Zhiliang , Xue Guoqiang , Hu Shun.Detecting Subgrade Compaction by Soil Density Gauge[J].Journal of Chongqing Jiaotong University,2012,31(6):1165-1170,1184.
Authors:Gu Huanda  Du Zhiliang  Xue Guoqiang  Hu Shun
Institution:1.School of Civil Engineering,Suzhou University of Science & Technology,Suzhou 215011,Jiangsu,China; 2.City Building Department of Changshu,Suzhou 215500,Jiangsu,China; 3.Engineering Quality Inspection Center of Changshu,Suzhou 215556,Jiangsu,China)
Abstract:SDG is a density gauge based on electromagnetism principle.It could be used as a rapid nondestructive detecting method to detect subgrade compaction,which is helpful to real-time dynamic detecting of subgrade compaction.With site and laboratory tests,it cloud be concluded that the SDG is suitable for compaction detecting of clayey embankment with favorable stability and dependability,especially for the clayey embankment which dry density is near or above 1.5g/cm3.
Keywords:SDG density gauge  compaction degree  sand cone method
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