| 人字闸门推力对闸首结构内力计算的影响研究 |
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| 引用本文： | 徐文丞,王震,宁庆臣. 人字闸门推力对闸首结构内力计算的影响研究[J]. 人民长江, 2016, 47(5): 53-57. DOI: 10.16232/j.cnki.1001-4179.2016.05.011 |
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| 作者姓名： | 徐文丞 王震 宁庆臣 |
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| 作者单位： | 1. 河海大学 港口海岸与近海工程学院,江苏 南京,210098;2. 中交水运规划设计院有限公司 南京分公司,江苏 南京,210000 |
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| 基金项目： | 国家自然科学基金项目(51479056) |
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| 摘 要： | 采用水工建筑物设计规范推荐的常规方法计算闸门的闸前结构内力时,计算结果存在偏差。以某船闸下闸首结构内力计算为例,利用三维非线性有限元法和两种常规方法对其展开计算。通过对计算结果的对比分析,认为按照规范计算所得到的支持墙内力过于保守,且对人字闸门之前结构段底板负弯矩估计不足;而第二种常规方法中将人字闸门横向分力分配之后所得计算结果与ANSYS结果较为吻合。
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| 关 键 词： | 人字闸门推力 结构内力 三维非线性有限元法 闸门闸首 |
Study on influence of miter gate thrust on internal force of lock head |
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| XU Wencheng;WANG Zheng;NING Qingchen. Study on influence of miter gate thrust on internal force of lock head[J]. Yangtze River, 2016, 47(5): 53-57. DOI: 10.16232/j.cnki.1001-4179.2016.05.011 |
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| Authors: | XU Wencheng WANG Zheng NING Qingchen |
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| Affiliation: | XU Wencheng;WANG Zheng;NING Qingchen;College of Harbour Coastal and Offshore Engineering,Hohai University;Nanjing Branch,CCCC Water Transportation Consultants Co.,Ltd.; |
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| Abstract: | The structural internal force of lock head calculated by the conventional method recommended by design specification has a deviation. Taking a lower lock head of a navigation lock as example, 3D nonlinear FEM and two conventional calculation methods were adopted to calculate the structural internal force. Through comparative analysis to the calculation results, it is shown that the internal force of the supporting wall calculated by conventional method in the specification is conservative, however it underestimates the negative moment of floor plate in front of the miter gate. However, the calculation result of second conventional method is consistent with ANSYS, in which the lateral force of the miter gate thrust is distributed. |
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| Keywords: | miter gate thrust internal force；3D nonlinear finite element method lock head |
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