施工技术 2014年9月下 66 CONSTRUCTION TECHNOLOGY 第43卷第18期 D01:10.7672/sjs2014180066 改进GM(1 1)在高铁隧道沉降变形预测 中的对比应用* 周吕，文鸿雁2，胡纪元2，陈冠宇3，何美琳4 (1.桂林理工大学广西矿冶与环境科学实验中心，广西桂林541004；2.桂林理工大学测绘地理信息学院， 广西桂林541006：3，桂林理工大学广西空间信息与测绘重点实验室，广西桂林541006： 4.广西建设职业技术学院，广西南宁530003) [摘要]针对GM(1 1)模型在高铁隧道沉降变形分析与预测中精度不理想的情况，在GM(1 1)模型的基础上，建 立了自适应GM(1 1)模型与残差修正GM(1 1)模型，并讨论了2种改进模型的各自优点.依据某隧道沉降监测 数据，进行工程实例分析，得出自适应GM(1 1)模型与残差修正GM(1 1)模型在一定程度上均提高了原模型的预 测精度和预测曲线的相关性；残差修正GM(1 1)模型对于沉降曲线波动较大处仍有较好的拟合与预测效果，其预 测效果优于自适应GM(1 1)模型. [关键词]隧道工程；残差修正；变形预测；模型 [中图分类号]U455 [文献标识码]A [文章编号]1002-8498(2014)18-0066-03 Comparison and Application of Improved GM(1 1)in High-speed Railway Tunnel Settlement Deformation Prediction Zhou Lu' Wen Hongyan2 Hu Jiyuan2 Chen Guanyu He Meilin (1.Guangxi Scientific Experiment Center of Mining Metallurgy and Enrironment Guilin Unirersity of Technology Guilin Guangxi 541004 China;2.College of Surveying Mapping and Geoinformation Guilin University of Technology Guilin Guangxi 541006 China;3.Guangxi Key Laboratory for Spatial Information and Geomatics Guilin University of Technology Guilin Guangxi 541006 China; 4.Guangxi Polytechnic of Construction Nanning Guangxi 530003 China) Abstract:Because the situation of the precision of GM(1 1)in high-speed railway tunnel settlement deformation analysis and prediction is not ideal self-adaptive GM(1 1)model and residual error correction GM(1 1)model have established based on GM(1 1)model and their respective advantages are discussed.Engineering instance is anal...
改进GM（1，1）在高铁隧道沉降变形预测中的对比应用.pdf
