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Prediction of karst collapse based on Fisher discriminant analysis method
Author(s): 
Pages: 91-95
Year: Issue:  1
Journal: Journal of Earch Sciences and Environment

Keyword:  岩溶塌陷预测Fisher判别分析法回代估计法地质灾害喀斯特地区;
Abstract: 为了更准确地预测岩溶塌陷,基于Fisher判别分析法,首先选择内聚力、内摩擦角、覆盖层厚度、覆盖层厚度减高水位埋深、覆盖层厚度减低水位埋深5个最主要的影响因素作为判别因子;接着以桂林市20组岩溶塌陷案例为学习样本进行计算,建立相应的Fisher线性判别函数;然后利用回代估计法对上述20组样本的预测结果进行逐一检验,其正确率为100%;随后将上述预测结果与前人运用逐步判别、神经网络判别等方法得到的结...
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