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Technology Research on Detecting the Compaction Quality of Embankment Slope in High-speed Railway
Author(s): Xing Liang
Pages: 1-
4,8
Year: 2016
Issue:
1
Journal: Railway Construction Technology
Keyword: 边坡; 压实质量; 可变能量; 贯入阻力;
Abstract: 高速铁路路堤边坡压实质量对路基整体稳定性、耐久性具有重要影响,合理的检测评估手段是控制边坡压实质量的必要条件.本文通过对高速铁路路堤边坡压实质量检测标准、方法、仪器的现状分析,提出路堤边坡压实质量检测新方法(可变能量贯入法);通过理论分析及现场试验研究,得出贯入阻力qa与现行指标动态变形模量Evd、地基系数K30、压实系数K的相关关系,论证了可变能量贯入法用于边坡压实质量检测的可行性;结合现行验收标准,提出采用可变能量贯入法评价高速路堤边坡压实质量的建议标准.
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