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《Urban Geotechnical Investigation & Surveying》 2008-02
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Application and Drawing of Clothoid Curve Base on Microstation

Qi XiuDong1,Liu WenKai2 (1.Henan Polytechnic University Institute of Surveying and Land Information Engineering,Jiaozuo 454003,China;2.Jiaozuo Junior Normal College,Jiaozuo 454003,China)  
In accordance with the function that Microstation can draw Clothoid curve.This paper explained the parameter and its formula of Clothoid spiral in detail,and introduced the drawing method and example of Clothoid curve.The method of drawing Clothoid curve in CAD opens up a new way for drawing of its parallel curve、calculation of area and intersection point coordinate,and has important practice meaning.
【CateGory Index】: U412.34;U212.3
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