| 高速公路线路放样中长度投影变形的影响和对策 |
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| 引用本文： | 吕运森.高速公路线路放样中长度投影变形的影响和对策[J].四川测绘,2009,32(6):278-280. |
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| 作者姓名： | 吕运森 |
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| 作者单位： | 广西国土资源规划院,广西,南宁,530021 |
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| 摘 要： | 高速公路中平面坐标系需纳入到国家高斯平面坐标系，由于高速公路施工的线路比较长而不可避免地出现长度变形，并导致公路测量放样产生很大的误差。通过分析长度变形的原因以及长度变形对测量放样的影响，提出了减少长度变形对高速公路测量放样的对策。
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| 关 键 词： | 长度变形 影响 对策 |
The Impacts and Countermeasure of Length Projection Distortion on Route Place in Expressway |
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| L Yun-sen.The Impacts and Countermeasure of Length Projection Distortion on Route Place in Expressway[J].Surveying and Mapping of Sichuan,2009,32(6):278-280. |
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| Authors: | L Yun-sen |
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| Institution: | L(U) Yun-sen |
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| Abstract: | In expressway, the plane coordinate system needs to be included in the state Gaussian Plane Coordinate System. As length of line in expressway construction is very long, that led to length deformation in expressway measure loft. By analyzing the reasons of the length of the deformation and the impact of deformation of length measurement lofting, the countermeasure that reduce the length of the expressway measuring deformation is proposed. |
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| Keywords: | Length deformation Impact Countermeasure |
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