| 悬索桥主缆架设测量方法与误差修正 |
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| 引用本文： | 葛文,黄腾,欧乐,朱春宁.悬索桥主缆架设测量方法与误差修正[J].测绘与空间地理信息,2015(7):220-224. |
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| 作者姓名： | 葛文 黄腾 欧乐 朱春宁 |
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| 作者单位： | 1. 河海大学地球科学与工程学院,江苏南京,210908;2. 92003部队广东湛江524003 |
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| 摘 要： | 分析了悬索桥主缆架设测量的主要误差来源,提出了几种相应的改进方法。在主缆基准索股架设测量过程中,综合考虑测量误差,采取反推仪器高法修正仪器高量取误差;垂度测量时,采用上下安装棱镜的夹具工装,即通过测上下棱镜的标高,取其平均值推算出基准索股垂度;一般索股采用改进的相对基准索股法进行测量调整。上述方法在实际应用中获得了较好的结果,能满足主缆架设测量的精度要求,可供类似桥梁工程借鉴。
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| 关 键 词： | 悬索桥 主缆 误差修正 三角高程 |
Suspension Bridge Main Cable Erection Method of Measurement and Error Correction |
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| GE Wen,HUANG Teng,OU Le,ZHU Chun-ning.Suspension Bridge Main Cable Erection Method of Measurement and Error Correction[J].Geomatics & Spatial Information Technology,2015(7):220-224. |
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| Authors: | GE Wen HUANG Teng OU Le ZHU Chun-ning |
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| Abstract: | Analysis of the source of error measurement of the suspension bridge main cable erection , put forward several methods .On the basis of considering error of measurement , Main cable of datum strand erection measurement , Take the method of back stepping instruments high correction instrument high measuring error;Sag measurement , Prism mounted with up and down of the tooling will be used, through measuring the fluctuation of the prism elevation .The average values calculated datum strand sag;General unit , using the improved method of datum strand for measurement adjustments .The above method obtained good results in practical application , Can satisfy the requirement of the main cable erection measurement precision , it can be Good model for similar bridge engineering . |
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| Keywords: | suspension bridge main cable error correction triangle elevation |
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