| 公路隧道围岩变形时程曲线拟合的BP算法 |
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| 引用本文： | 周建春,魏琴.公路隧道围岩变形时程曲线拟合的BP算法[J].湖南大学学报(自然科学版),2002,29(4):79-84. |
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| 作者姓名： | 周建春 魏琴 |
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| 作者单位： | 华南理工大学,交通学院,广东,广州,510640 |
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| 摘 要： | 运用 BP算法学习率自适应调整策略 ,对公路隧道新奥法正台阶施工开挖过程中围岩变形时程曲线的拟合进行了研究 ,结合实例对拟合效率进行了讨论
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| 关 键 词： | 公路隧道 围岩变形 BP神经网络 曲线拟合 |
| 文章编号： | 1000-2472(2002)04-0079-06 |
| 修稿时间： | 2002年4月10日 |
Study on Fitting of Surrounding Rock Deformation Time-history Curve by BP Neural Network Algorithm |
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| ZHOU Jian chun,WEI Qin.Study on Fitting of Surrounding Rock Deformation Time-history Curve by BP Neural Network Algorithm[J].Journal of Hunan University(Naturnal Science),2002,29(4):79-84. |
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| Authors: | ZHOU Jian chun WEI Qin |
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| Abstract: | A fitting method for the surrounding rock deformation curve in benching tunneling method,during highway tunnel construction monitoring project by NATM,is researched by means of the BP model in artificial neural network algorithm.It has been proved by an fitting example of Pingshi tunnel,China Beijing Zhuhai expressway,that the self adaptivity and adjusment in BP learning rate can be used to improve the efficiency and precision. |
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| Keywords: | highway tunnel deformation in surrounding rock BP neural network curve fitting |
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