特大跨度斜拉桥施工几何控制原理的研究  

Study on Geometry Control Theory of the Construction of Super-span Cable-stayed Bridge

作　　者：黄灿[1] 赵雷[1] 

机构地区：[1]西南交通大学土木工程学院,成都610031

出　　处：《铁道建筑技术》2011年第6期24-27,共4页Railway Construction Technology

摘　　要：基于几何控制的基本原理,以苏通长江公路大桥为研究对象,根据全过程自适应施工控制方法的具体特点和要求,就特大跨度斜拉桥施工控制体系进行了系统的研究。在考虑施工全过程几何非线性影响条件下,就施工控制体系中的全过程仿真分析、参数敏感性分析、参数识别和最优控制进行了阐述。通过在苏通大桥施工控制实施表明:本系统可以作为大跨度和超大跨度斜拉桥施工控制的一般方法。Based on the Geometry Control theory,taking Sutong Bridge as subject,systematic study are carried out on the construction control system of super-span cable-stayed bridge according to the specific characteristics and requirements of whole-procedure adaptive construction control.Taking the geometry non-linear effect during construction into account,the simulation analysis,parameter sensitivity analysis,parameter identification and optimal control of construction control system are explained.The validity of the proposed system is demonstrated by the construction control of Sutong Bridge,which shows the system can be used as a common method for large span and super span cable-stayed bridge.

关 键 词：斜拉桥 几何控制 施工控制 仿真分析 敏感性分析 

分 类 号：TU311[建筑科学—结构工程]