| 基于GPS RTK的过江隧道测图研究与应用 |
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| 引用本文： | 李盈洲,陈丽佳.基于GPS RTK的过江隧道测图研究与应用[J].测绘与空间地理信息,2021,44(1):167-169. |
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| 作者姓名： | 李盈洲 陈丽佳 |
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| 作者单位： | 广东地下管网工程勘测公司,广东 广州510080;广东地下管网工程勘测公司,广东 广州510080 |
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| 摘 要： | 过江隧道测图包括1∶500陆上地形测量和隧道穿越的水下地形测量。陆上地形测量采用GPS RTK或全站仪全野外数据采集,水下地形测量采用GPS RTK配合测深仪进行全野外数据采集。本文以珠海市十字门过江隧道工程为背景,介绍了过江隧道1∶500地形图成图方法,特别是水下地形测量的方法和应用,建立了完整的技术流程,得到符合精度要求的十字门过江隧道测绘成果数据,可为GPS RTK配合测深仪的无人船在水下地形地貌测绘、航道测量、水下地质勘探等领域应用提供理论和实践参考。
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| 关 键 词： | GPS RTK 无人船 过江隧道 水下地形测绘 |
Research and Application of Cross-river Tunnel Mapping Based on GPS RTK |
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| LI Yingzhou,CHEN Lijia.Research and Application of Cross-river Tunnel Mapping Based on GPS RTK[J].Geomatics & Spatial Information Technology,2021,44(1):167-169. |
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| Authors: | LI Yingzhou CHEN Lijia |
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| Institution: | (Guangdong Underground Pipe Network Engineering Survey Company,Guangdong 510080,China) |
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| Abstract: | Cross-river tunnel mapping includes 1∶500 scale land topographic survey and underwater topographic survey.Land topographic survey uses GPS RTK or total station to collect all field data,while underwater topographic survey uses GPS RTK and depth sounder to collect all field data.Taking Zhuhai cross gate river-crossing tunnel project as the background,this paper introduces the method of 1∶500 scale topographic mapping of river-crossing tunnel,especially the underwater topographic survey method and application.It proposed a complete technical route,acquires accurate cross gate river tunnel surveying and mapping data,and provides theoretical and practical reference for underwater topographic surveying and mapping,water cause survey,and underwater geological exploration by combining GPS RTK with unmanned depth sounder ship. |
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| Keywords: | GPS RTK unmanned ship cross-river tunnel underwater topographic survey |
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