| 西堠门大桥基准索股垂度测量的方法与实施 |
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| 引用本文： | 郑子天,钱建南,刘成龙.西堠门大桥基准索股垂度测量的方法与实施[J].四川测绘,2007,30(5):235-237. |
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| 作者姓名： | 郑子天 钱建南 刘成龙 |
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| 作者单位： | 西南交通大学土木工程学院 四川成都610031(郑子天，刘成龙)，四川路桥集团 四川成都610072(钱建南) |
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| 摘 要： | 分析了影响西堠门大桥基准索股垂度测量精度的主要因素,提出了基于单向大气折光系数改正垂度的方法,并在应用中获得了较好的结果,能满足基准索股垂度测量的精度要求,对同类工程有借鉴意义。
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| 关 键 词： | 基准索股 折光系数 垂度 精度 三角高程测量 |
| 文章编号： | 1001-8379（2007）05-0235-03 |
| 收稿时间： | 2007-05-20 |
| 修稿时间： | 2007年5月20日 |
METHOD OF SURVEYING AND IMPLEMENTATION FOR DATUM WIRE STRAND SAGGING OF XIHOUMEN BRIDGE |
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| ZHENG Zi-tian,QIAN Jian-nan,LIU Cheng-long.METHOD OF SURVEYING AND IMPLEMENTATION FOR DATUM WIRE STRAND SAGGING OF XIHOUMEN BRIDGE[J].Surveying and Mapping of Sichuan,2007,30(5):235-237. |
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| Authors: | ZHENG Zi-tian QIAN Jian-nan LIU Cheng-long |
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| Abstract: | Through analyzing the main factors that affect the surveying precision of datum wire strand sagging of the Xihoumen bridge,this paper proposes a method based on the single-refraction coefficient for sagging correcting,and the better surveying result is obtained during using,and it meets the precision requiring of sagging surveying.So the method has instructional significance to the similar project. |
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| Keywords: | Datum Wire Strand Single-refraction coefficient Sagging Precision Trigonometric leveling |
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