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| 柱状构筑物垂直度非接触检测方法及其精度分析 | |
| 引用本文： | 余加勇,邵旭东,朱建军,张坤,易笃韬.柱状构筑物垂直度非接触检测方法及其精度分析[J].武汉理工大学学报(交通科学与工程版),2008,32(6). |
| 作者姓名： | 余加勇 邵旭东 朱建军 张坤 易笃韬 |
| 作者单位： | 1. 湖南大学土木工程学院,长沙,410082;中南大学测绘与国土信息工程系,长沙,410083 2. 湖南大学土木工程学院,长沙,410082 3. 中南大学测绘与国土信息工程系,长沙,410083 |
| 基金项目： | 国家自然科学基金 ， 湖南大学青年科学基金 |
| 摘 要： | 针对无明显特征点的柱状构筑物垂直度测量困难的问题,提出了一种全站仪非接触投影法.利用非接触的方法切准待测目标的外轮廓,测量其水平方向角和竖直角,依据测角度推算水平偏移量和倾斜率,并根据最小二乘原理分析了其测量精度.分析结果表明:仪器至立柱距离小于40 m,至所测断面中心的水平角小于1°时,水平偏移量中误差优于±2 mm,同时,竖直角在5~45°范围时,倾斜率测量中误差优于±0.4‰,完全满足检测精度要求. |
| 关 键 词： | 桥梁检测 垂直度 倾斜率 非接触投影检测 全站仪 |
Non-contact Inspection Method of Column Building Verticality and its Precision Analysis |
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| Yu Jiayong,Shao Xudong,Zhu Jianjun,Zhang Kun,Yi Dutao.Non-contact Inspection Method of Column Building Verticality and its Precision Analysis[J].journal of wuhan university of technology(transportation science&engineering),2008,32(6). | |
| Authors: | Yu Jiayong Shao Xudong Zhu Jianjun Zhang Kun Yi Dutao |
| Institution: | College of Civil Engineering;Hunan University;Changsha 410082;Department of Geomatics;Central South University;Changsha;410083 |
| Abstract: | A non-contact projection survey method with total station was proposed in order to solve the problem that verticality measurement of non-character point column building was difficult.The horizontal angles and vertical angles were measured by aiming at target outline,by which the horizontal displacement and inclination ratios were calculated.Measurement precision of the method was analysed by the least square principle.The analysis reveals that when the distance between instrument and column is less than 40 ... |
| Keywords: | bridge inspection verticality inclination ratio non-contact projection survey total station |
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