Study on Bridge Static Test Based on Close-range Photogrammetry

被引：0
|
作者：
Wang, Hanzhang [1 ]
Tan, Shenzhou [1 ]
Peng, Anquan [1 ]
Hong, Baokun [1 ]
机构：
[1] China Construct Steel Struct Corp, Shenzhen 518000, Peoples R China
来源：
CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING, PTS 1-4 | 2014年 / 838-841卷
关键词：
Photogrammetry; Time baseline method; Deformation measurement; Bridge load test;
D O I：
10.4028/www.scientific.net/AMR.838-841.1054
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bridge static load test is a conventional method to ensure the safety of bridge, but time-consuming and inconvenient in certain situation to implement. This paper attempts to use photogrammetry method to achieve deformation measurements in the bridge static load test, which is based on time baseline method. using image correlation matching for distance measurement, and using the edge recognition of the targets and ellipse fitting to get the conversion factor of in-image and actual distance. The validation of laboratory experiment and engineering application proved its strong practical value with high accuracy.
引用
收藏
页码：1054 / 1057
页数：4
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