灰色理论在沉降监测信息系统中的应用
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摘要
在高层建筑物施工过程中,随着楼层的增加和沉降变形增大,建筑物是否安全、其变形是否超标、以及未来发展趋势如何,需要随时掌握,以便采取相应的安全措施。以灰色系统理论为基础,针对建筑基础沉降的特点,建立相关的预测模型;在已有监测数据的统计分析基础上,求出预测参数,然后根据施工进度安排,可以对不同施工期间建筑沉降进行预测,以便确保施工安全。对北京某建筑工程进行了实例分析,通过6期监测结果的分析和后续变形的预测,经过工程实测对比和验证,其预测精度与实测相吻合,预测结果令人满意。
During construction of tall buildings,safety or not and how obout development trend should be known as buildings story and subsidence value are increased,so that safe measures can be adopted.Predicting mould is established for character of foundation subsidence on the basis of gray theory.Predicting parameters are computed according to analysis of measuring data.Then in light of rate of progress,deformation is predicted in different periods of construction.Therefore safety is ensured.History-case analysis and prediction are carried through 6 measuring data.The result and precision are satisfied through engineering practice contrast.
During construction of tall buildings,safety or not and how obout development trend should be known as buildings story and subsidence value are increased,so that safe measures can be adopted.Predicting mould is established for character of foundation subsidence on the basis of gray theory.Predicting parameters are computed according to analysis of measuring data.Then in light of rate of progress,deformation is predicted in different periods of construction.Therefore safety is ensured.History-case analysis and prediction are carried through 6 measuring data.The result and precision are satisfied through engineering practice contrast.
引文
1陈希哲.土力学地基基础.北京:清华大学出版社.2003
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6孙世国.新世纪土木工程发展趋势刍析.北方工业大学学报,2002(3)
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2黄声享,尹晖,蒋征.变形监测数据处理.武汉:武汉大学出版社,2003
3雷学文,白世伟,孟庆山.灰色预测在软土地基沉降分析中的应用.岩土力学,2000(2)
4孙世国.露天边坡与山坡复合体变形灰色预测.辽宁工程技术大学学报,2002(3)
5孙世国.高层建筑物地基沉降变形与破坏特点分析.建井技术,2001(2)
6孙世国.新世纪土木工程发展趋势刍析.北方工业大学学报,2002(3)
7孙世国.矿山复合开采边坡岩体变形规律.北京:地震出版社,2000
8孙世国.露天边坡与山体边坡复合体稳定性分析.北京:冶金工业出版社,2001
9 Mowen Xie,Tetsuro Esaki,Guoyun Zhou,et al.Three-DimensionalStability Evaluation of Landslides and a Sliding Process SimulationUsing a New Geographic Information Systems Compo-nent.Environmental Geology,2003,43(5):503-512
10 Legaye J,Duval-Beaupere G,Hecquet J,et al.Pelvic Incidence:aFundamental Pelvic Parameter for Three-Dimensional Regulation ofSpinal Sagittal Curves.Environmental Geology,2000,39(8):849-874
11 Bixio A,Gambolati G,Paniconi C,et al.Modeling Groundwater-Surface Water Interactions Including Effects of Morphogenetic De-pressions in the Chernobyl Exclusion Zone.Pure and Applied Geo-physics,2000,157(6-8):1039-1057
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