Prediction of soft ground settlement based on BP neural network-grey system united model
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Prediction of soft ground settlement based on BP neural network-grey system united model
Vol. 26, Issue 11, (2005)
作者机构:
1. 中国地质大学 环境学院,武汉,430074
2. 深圳市规划与国土资源局土地投资开发中心,深圳,518034
作者简介:
基金信息:
DOI:
CLC:TU433
Online First:03 January 2014,
Published:2005
稿件说明:
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PENG Tao, YANG An-ying, LIANG Xing, et al. Prediction of soft ground settlement based on BP neural network-grey system united model[J]. 2005, 26(11).
DOI:
PENG Tao, YANG An-ying, LIANG Xing, et al. Prediction of soft ground settlement based on BP neural network-grey system united model[J]. 2005, 26(11).DOI:
Prediction of soft ground settlement based on BP neural network-grey system united model
people often predict soft-ground settlement with the method of exponential curve and double-curve extent; but the result is not ideal. The application of neural network to that exists some limitations. GM(1
1) model has been applied to this field
but all the equal-time settlement data model do not explain definitely interpolation method in existed case. The paper takes the predicting the soft ground settlement of Xibu tunnel filling sea project in Shenzhen for example
discusses the way to solve the problem through building the BP neural network-grey system united model; constructing the equal-time settlement time series data by BP neural network nonlinear interpolation method
on the basis of it
building the time series GM model for settlement
and building the time function to predict the settlement. The case study shows that the model is quite accurate in short-term settlement prediction
its long-term settlement prediction also has some project referential value.