| 节理面按产状的模糊聚类及其优势方位的确定 |
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| 引用本文： | 田景元,刘汉龙,高玉峰,郭作美.节理面按产状的模糊聚类及其优势方位的确定[J].华东地质学院学报,2002,25(2):97-99. |
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| 作者姓名： | 田景元 刘汉龙 高玉峰 郭作美 |
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| 作者单位： | [1]河海大学土木工程学院，江苏南京210098 [2]长沙中意冷气集团公司，湖南长沙410118 |
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| 摘 要： | 分析了已有的几种对节理面按产状分组方法的不足，指出应用模糊聚类对节理进行分组的原由。为了构造模糊矩阵，矩阵中的元素取为两节理面锐夹角的余弦，即两节理面向上的单位法向矢量点积的绝对值。对某组节理面向上的单位法向量进行部分反向后，其矢量之和对应的产状即为该组节理面的优势方位。
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| 关 键 词： | 模糊聚类 节理面产状 优势方位 |
| 文章编号： | 1000-2251(2002)02-097-03 |
| 修稿时间： | 2001年5月10日 |
Fuzzy Classification of Joints by Occurrence and Calculation of Joints' Dominant Orientation |
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| TIAN Jing\|yuan\,LIU Han\|long\,GAO Yu\|feng\,Guo Zuo mei\.Fuzzy Classification of Joints by Occurrence and Calculation of Joints'''' Dominant Orientation[J].Journal of East China Geological Institute,2002,25(2):97-99. |
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| Authors: | TIAN Jing\|yuan\ LIU Han\|long\ GAO Yu\|feng\ Guo Zuo mei\ |
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| Affiliation: | TIAN Jing\|yuan\+1,LIU Han\|long\+1,GAO Yu\|feng\+1,Guo Zuo mei\+2 |
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| Abstract: | There is shortage in the methods of classifying joints by its occurrence,so the Fuzzy Classification is put forward. And the elements of the fuzzy matrix are the cosine of the acute angle between two joints, that is, the absolute value of the dot product of two joints' upward normal unit vectors. The dominant orientation of a joint group is the corresponding occurrence of the vector sum if some of the upward unit normal vectors are reversed. |
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| Keywords: | Fuzzy Classification joint occurrence dominant orientation |
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