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粒子图像测速技术测量土体变形精度试验研究 被引量：1

Research on measurement of sand deformation accuracy with particle image velocimetry
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摘要 对砂土变形测量的工况进行了试验,采用不同计算方法对试验精度进行了对比研究。试验结果表明:粒子图像测速技术对砂土具有较高的测量精度,但计算算法对测量精度的影响较大,其中网格细化法测量精度最高,其精度可达0.01 mm,可满足土体试验高精度变形测量要求。 The tests for sand are conducted in this paper, verious methods have been compared. The results show that particle image velocimetry has a high precise for sand. The algorithm has a great influence on the results. The window multi-grid is more precise than others with the precise of 0. 01 mm, the technology can meet the requirement of deformation measurement for sand.
作者 刘明亮 张险峰
机构地区 河南省电力勘测设计院
出处 《山西建筑》 2013年第34期87-89,共3页 Shanxi Architecture
关键词 测量技术 变形 粒子图像测速 measurement technology, deformation, particle image velocimetry
分类号 TU411 [建筑科学—岩土工程]
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参考文献14

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二级参考文献16

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山西建筑
2013年 第34期

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