| 基于TIN模型较高精度土方量计算方法 |
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| 引用本文： | 潘红飞,赵翠薇.基于TIN模型较高精度土方量计算方法[J].价值工程,2012,31(5):63-65. |
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| 作者姓名： | 潘红飞 赵翠薇 |
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| 作者单位： | 贵州师范大学地理与环境科学学院,贵阳,550001 |
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| 基金项目： | 贵州师范大学学生科研重点项目 |
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| 摘 要： | 土方量计算是工程项目中经常遇到的问题,准确、快速、高精度计算土方量对于合理安排工程进度、工程量大小计算和投资预算具有十分重要的意义。本文运用土地开发整理项目基础数据,基于TIN模型,探讨了在ARCGIS中较高精度土方量的计算方法。说明了DEM的精度直接影响运算结果精度;指出基于DEM模型计算土方量的实质应归属于土方量常规计算中的网格法计算;并详细介绍了用ARCGIS Desktop 9.3进行土方量计算的具体方法步骤。研究结果表明,通过控制TIN型模拟地面仿真度可快速、准确、高效地计算工程土方量。
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| 关 键 词： | 土方计算 GIS 地面模型 案例 |
Based on the TIN Higher Accuracy Calculation Earth Volume Method |
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| Pan Hongfei
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Zhao Cuiwei.Based on the TIN Higher Accuracy Calculation Earth Volume Method[J].Value Engineering,2012,31(5):63-65. |
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| Authors: | Pan Hongfei Zhao Cuiwei |
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| Institution: | Pan Hongfei;Zhao Cuiwei (School of Geographic and Environmental Sciences,Guizhou Normal University,Guiyang 550001,China) |
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| Abstract: | Earthwork calculation is frequent in project.Accurate,fast,precise earthwork calculation is significant to make the reasonable arrangement of the project schedule,calculate engineering quantity and investment budget.This paper uses the basic data of the land development and consolidation project,based on the TIN model,discusses calculation method with high accuracy in the ARCGIS.It illustrates that the accuracy of the DEM directly affects the accuracy of operation result,and presents the specific method and procedure of calculating earthwork by using ARCGIS Desktop 9.3.The study shows that controlling the TIN type analog ground simulation can make an accurate,fast,precise earthwork calculation. |
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| Keywords: | calculation of earth volume GIS DTM case |
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