한국측량학회:학술대회논문집 (Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference)
- 한국측량학회 2002년도 창립 20주년기념 국제학술대회
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- Pages.229-238
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- 2002
Spline Surface Approximation for Computing Pit Excavation Volume with the Free Boundary Conditions
- Jaechil Yoo (Dept. of Mathematics, Dongeui University) ;
- Lee, Seung-Hoon (Dept. of Industrial Engineering, Dongeui University) ;
- Mun, Du-Yeoul (Dept. of Civil Engineering, Dongeui University)
- 발행 : 2002.04.01
초록
The calculation of earthwork plays a major role in plan or design of many civil engineering projects, and thus it has become very important to improve the accuracy of earthwork calculation. In this paper, we propose an algorithm of finding a cubic spline surface with the free boundary conditions, which interpolates the given three dimensional data, by using B-spline and an accurate method to estimate pit-excavation volume. The proposed method should be of interest to surveyors especially concerned with accuracy of volume computations. We present some computational results showing that our proposed method provides good accuracy.