| 南京长江第四大桥基准索股架设的垂度测量 |
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| 引用本文： | 王海.南京长江第四大桥基准索股架设的垂度测量[J].测绘与空间地理信息,2014(5):210-213. |
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| 作者姓名： | 王海 |
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| 作者单位： | 广州市城市规划勘测设计研究院,广东广州510060 |
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| 摘 要： | 分析了影响基准索股垂度的主要因素,并阐述了基准索股垂度测量的流程;提出了基于单向大气折光系数改正的垂度测量方法。实践表明,该测量方法正确,基准索股达到了调整及稳定观测的要求,对其他悬索桥施工有借鉴意义。
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| 关 键 词： | 悬索桥 基准索股 垂度测量 |
Measurement of Datum Strand Erection for Nanjing Fourth Yangtze River Bridge |
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| WANG Hai.Measurement of Datum Strand Erection for Nanjing Fourth Yangtze River Bridge[J].Geomatics & Spatial Information Technology,2014(5):210-213. |
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| Authors: | WANG Hai |
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| Institution: | WANG Hai (Guangzhou Urban Planning and Design Survey Research Institute, Guangzhou 510060, China) |
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| Abstract: | The influence factors of datum strand erection is analyzed,and it elaborates the sag measurement process of the datum strand. The paper introduces the sag measurement method,which bases on one-way atmospheric refraction coefficient correction. It proves the surveying method is correct,and the datum strand reaches the requirements of adjusting and stable observation. The method has the model significance to other suspension bridge. |
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| Keywords: | suspension bridge datum strand sag measurement |
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