| 基于灰色系统理论的大跨度连续刚构桥的线形控制 |
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| 作者姓名： | 余明 杨美良 |
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| 作者单位： | 长沙理工大学土木与建筑学院,湖南长沙,410004 |
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| 摘 要： | 以长湘高速公路沩水大桥的施工控制为依托,探讨了灰色系统理论在大跨度宽翼缘连续刚构桥梁线形控制中的应用.正装分析计算得到各节段理论立模标高后,根据实测数据利用GM(1,1)模型对立模标高进行了调整和预测,得出了下一阶段的最优立模标高,并指导沩水大桥的施工,实现了沩水大桥的高精度合龙,确保了沩水大桥成桥线形符合设计要求.该方法可推广到所有采用节段悬臂施工桥梁的施工控制中.
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| 关 键 词： | 连续刚构桥 GM(1 1)模型 拟合预测 立模标高 线形控制 |
The line shape control of large span continuous frame bridge according to the grey system theory |
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| Authors: | YU Ming YANG Mei-liang |
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| Institution: | (School of Civil Engineering and Architecture,Changsha University of Science & Technology,Changsha 410004,China) |
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| Abstract: | The assembling analysis for section theory to vertical mold elevation,and GM(1,1) model of grey system theory is used to adjust and predict vertical mold elevation,during the construction control of Weishui Bridge,a long span bridge of continuous rigid frame over the Changxiang express highway in Hunan,which aimed at the optimal vertical mold elevation and the guidance of the construction so as to ensure that the linear of bridge can comply with the design requirements,and the feasibility of the grey system theory can be verified in the construction control of the long span bridge of continuous rigid frame. |
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| Keywords: | continuous rigid frame bridge grey model(1 1) fitting and prediction vertical mold elevation construction control |
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