| 利用数字化地形图进行土方计算的方法 |
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| 引用本文： | 钱业宏.利用数字化地形图进行土方计算的方法[J].四川测绘,2005,28(3):137-138,143. |
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| 作者姓名： | 钱业宏 |
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| 作者单位： | 武汉大学测绘学院,湖北武汉430079 |
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| 摘 要： | 土方计算是工程测量中经常遇到的工作,本文介绍如何利用直线相交判断法判断已知高程点（已知设计标高）对于待计算格网点的有效性,并对符合条件的高程点（设计标高）采用适合的插值模型计算格网点的高程（设计标高）,同时对程序的实现过程进行了介绍.
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| 关 键 词： | 土方计算 程序 拟合法 高程点 设计标高 |
| 文章编号： | 1001-8379（2005）03-0137-02 |
| 收稿时间： | 2004-09-13 |
| 修稿时间： | 2004-09-13 |
A METHOD OF EARTHWORK CALCULATION WITH DIGITAL TOPOGRAPHIC MAP |
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| QIAN Ye-hong.A METHOD OF EARTHWORK CALCULATION WITH DIGITAL TOPOGRAPHIC MAP[J].Surveying and Mapping of Sichuan,2005,28(3):137-138,143. |
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| Authors: | QIAN Ye-hong |
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| Institution: | School of Geodesy and Geomatics in Wuhan University, Hubei Wuhan 430079, China |
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| Abstract: | Earthwork calculation is often met in the project surveying.This article will introduce how to judge the availability of the elevation(the designed elevation) relating to the grid by the intersection of line and how to select the satisfying model to calculate the elevation(the designed elevation) of the grid with the available elevation.This article will also introduce the process of writing program. |
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| Keywords: | earthwork calculation program the fitting method Elevation the designed elevation |
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