| 改进的灰色模型在建筑物沉降预测中的应用 |
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| 引用本文： | 孙泽信,庞逸群,黄腾.改进的灰色模型在建筑物沉降预测中的应用[J].测绘工程,2010,19(3):59-62. |
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| 作者姓名： | 孙泽信 庞逸群 黄腾 |
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| 作者单位： | 河海大学,土木工程学院,江苏,南京,210098;河海大学,土木工程学院,江苏,南京,210098;河海大学,土木工程学院,江苏,南京,210098 |
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| 摘 要： | 介绍灰色非等间距GM(1,1)模型的建立及其精度评定方法,着重探讨模型精度的主要影响因素,并从模型背景值的构造以及初值选取两个方面对灰色非等间距GM(1,1)模型进行改进,结合高层建筑沉降监测实例进行预测结果分析,结果表明,改进后的灰色模型具有较高的精度,在沉降预测中具有较高的应用价值。
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| 关 键 词： | 沉降监测 非等间距 灰色模型 预测分析 |
Application of improved grey model for forecasting subsidence of the engineering buildings |
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| SUN Ze-xin,PANG Yi-qun,HUANG Teng.Application of improved grey model for forecasting subsidence of the engineering buildings[J].Engineering of Surveying and Mapping,2010,19(3):59-62. |
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| Authors: | SUN Ze-xin PANG Yi-qun HUANG Teng |
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| Institution: | SUN Ze-xin; PANG Yi-qun; HUANG Teng(College of Civil Engineering; Hohai University; Nanjing 210098; China); |
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| Abstract: | In this paper,the modeling and the accuracy assess method for non-equal interval GM(1,1) is introduced;the main influence factors of the model s accuracy is chiefly studied;improve the non-equal interval model from the aspects of values of model s setting and the initial value.Combining one subsidence monitoring example of high-buildings,the result shows that the accuracy of improved grey model is high and it can be wildly applied into the forecasting of subsidence in high-rise buildings. |
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| Keywords: | subsidence monitoring non-equal interval grey model forecasting and analysis |
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