| 圆曲线测设新方法弦线极坐标法 |
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| 引用本文： | 张廷斌,黄丁发. 圆曲线测设新方法弦线极坐标法[J]. 成都理工大学学报(自然科学版), 2008, 35(2): 216-219 |
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| 作者姓名： | 张廷斌 黄丁发 |
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| 作者单位： | 西南交通大学土木工程学院,成都,610031;成都理工大学地球科学学院,成都,610059;西南交通大学土木工程学院,成都,610031 |
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| 摘 要： | 结合圆曲线的线状特点,建立了弦线独立坐标系,并分别对圆曲线和缓和曲线上任一点的计算公式进行了推导,给出了各种情况下测设元素的计算公式;利用极坐标法测设圆曲线细部,此方法思路清晰、计算简单,可以提高圆曲线细部放样工作的效率和精度.
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| 关 键 词： | 弦线 极坐标 测设 圆曲线 缓和曲线 |
A new method to lay-off the circular curvethe polar coordinate of the chord line |
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| ZHANG Ting-bin,HUANG Ding-fa. A new method to lay-off the circular curvethe polar coordinate of the chord line[J]. Journal of Chengdu University of Technology: Sci & Technol Ed, 2008, 35(2): 216-219 |
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| Authors: | ZHANG Ting-bin HUANG Ding-fa |
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| Affiliation: | ZHANG Ting-bin1,2,HUANG Ding-fa11.School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China,2.College of Earth Sciences,Chengdu University of Technology,Chengdu 610059 |
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| Abstract: | According to the linear character of the circular curve,a polar coordinate is well-established.This paper also deduces the coordinate formula on random dots of the circle curve and mitigated curve.The formula of laying-off in different instances is proposed.Because of its clear thought and easy calculation,it is a good way to lay-off the circular curve by using the polar coordinate,with the efficiency and the precision of laying-off being improved. |
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| Keywords: | chord line polar coordinate method laying-off circular curve mitigated curve |
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