| 曹娥江大闸工作闸门流激振动及抗振优化研究 |
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| 引用本文： | 严根华,陈发展.曹娥江大闸工作闸门流激振动及抗振优化研究[J].固体力学学报,2011(Z1). |
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| 作者姓名： | 严根华 陈发展 |
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| 作者单位： | 水利部交通运输部国家能源局南京水科学研究院;水文水资源和水利工程科学国家重点实验室; |
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| 摘 要： | 曹娥江大闸工作闸门跨度大,门型采用拱形桁架式结构,设计具有创新性.闸门具有正向挡水泄洪排涝、反向挡潮等功能.本项研究针对钱塘江特有的强涌潮作用特征,利用水动力荷载模型、水弹性振动模型以及三维数值计算模型相结合的方法,系统研究了闸门结构的受力特性、涌潮荷载作用下的响应特性,揭示了存在问题,并进行了抗振优化设计,提出的优化方案,显著改善了闸门结构的抗振性能,确保了工程安全.原型观测结果显示,闸门结构最终推荐方案具有振动响应小,抗振能力强等优点,取得满意效果.
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| 关 键 词： | 曹娥江大闸 工作闸门 流激振动 涌潮荷载 抗振优化 |
STUDY ON FLOW-INDUCED VIBRATION AND ANTI-VIBRATION OPTIMIZATION OF WORKING GATE IN CAO'EJIANG GATE |
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| Genhua Yan Fazhan Chen.STUDY ON FLOW-INDUCED VIBRATION AND ANTI-VIBRATION OPTIMIZATION OF WORKING GATE IN CAO'EJIANG GATE[J].Acta Mechnica Solida Sinica,2011(Z1). |
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| Authors: | Genhua Yan Fazhan Chen |
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| Institution: | Genhua Yan Fazhan Chen(The Ministry of Water Resources,Ministry of Transport,National Energy Administration,Nanjing Hydraulic Research Institute,Nanjing,210029)(State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,210029) |
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| Abstract: | With large span,space truss structure and creative design of working gate in Cao'ejiang gate,the gate possesses the abilities of water-retaining,floodwater draining in positive direction and tide retaining in opposite direction.Aiming at the acting characteristics of specific strong eagre in Qiantang River,this research studies the stress characteristics of gate structure and response characteristics under eagre load by the method of combing hydrodynamic load model,hydro-elastic vibration model and 3D numer... |
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| Keywords: | Cao'ejiang gate working gate flow-induced vibration eagre load optimization for anti-vibration |
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