| 基于等维灰数递补模型的软弱围岩隧道变形预测 |
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| 引用本文： | 黄林冲,徐志胜,彭立敏.基于等维灰数递补模型的软弱围岩隧道变形预测[J].铁道科学与工程学报,2009,6(6). |
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| 作者姓名： | 黄林冲 徐志胜 彭立敏 |
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| 作者单位： | 1. 中山大学工学院,广东,广州,510275;美国西北大学土木与环境工程系,伊利诺伊,埃文斯顿,60208
2. 中南大学土木建筑学院,湖南,长沙,410075 |
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| 基金项目： | 国家自然科学基金资助项目(40672194); 铁道部科技司重点课题(2006G007); 中南大学优秀博士论文创新选题项目(77206) |
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| 摘 要： | 结合隧道掘进施工以及变形监测的实际情况,利用灰色预测理论中的GM(1,1)模型,采用等维灰数递补数据处理技术建立等维灰数递补GM(1,1)模型来对灰色GM(1,1)模型进行改进,并结合工程实例中的变形实测数据进行验证.结果表明:修正模型的建立所需数据少,计算方法简单易行,而且预测值精度明显提高;灰色建模的数据取样越接近预测点,则得到的模型预测值越接近实际值,一般4次预测值的结果基本接近于实测值,该模型能更真实地反映软弱围岩隧道的变形规律.
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| 关 键 词： | 隧道 变形 灰色理论 预测 等维灰数递补 |
Deformation prediction in soft wall rock tunnel based on the equal-dimension gray filling model |
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| HUANG Lin-chong
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XU Zhi-sheng
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PENG Li-min.Deformation prediction in soft wall rock tunnel based on the equal-dimension gray filling model[J].Journal of Railway Science and Engineering,2009,6(6). |
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| Authors: | HUANG Lin-chong XU Zhi-sheng PENG Li-min |
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| Institution: | HUANG Lin-chong1,3,XU Zhi-sheng2,PENG Li-min2(1.School of Engineering,Sun Yat-sen University,Guangzhou 510275,China,2.School of Civil , Architectural Engineering,Central South University,Changsha 410075,3.Department of Civil , Environmental Engineering,Northwestern University,Evanston,IL 60208,USA) |
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| Abstract: | Based on the tunnel excavation in site and the monitored deformation data,a modified gray GM(1,1) model was presented with the data processing method of equal-dimension gray filling.At last,a compared analysis was addressed with the deformation data measured in site according to a deformation measurement in a soft wall rock tunnel.The results show that this model is easy to operate with a few measured data,and the precision of the prediction value improves greatly;the results will be more exact if the sampl... |
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| Keywords: | tunnel deformation gray theory prediction equal-dimension gray filling |
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