海洋桥梁施工围堰的波浪压力实测与数值模拟

遆子龙; 李永乐; 秦顺全; 梅大鹏

doi:10.3969/j.issn.0258-2724.2017.03.005

海洋桥梁施工围堰的波浪压力实测与数值模拟

doi: 10.3969/j.issn.0258-2724.2017.03.005

遆子龙¹,
李永乐^1, ,,
秦顺全^1,2,
梅大鹏^1,2

基金项目:

国家自然科学基金资助项目（51525804）

交通运输部建设科技计划资助项目（2014318800240）

详细信息

作者简介:
遆子龙(1989—),男,博士研究生,研究方向为桥梁工程结构动力响应,E-mail:swjtutzl@126.com

通讯作者:
李永乐(1972—),男,教授,博士,研究方向为大跨桥梁风致振动及车桥耦合振动等动力行为,E-mail:lele@swjtu.edu.cn

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- 被引次数: 0
出版历程
- 收稿日期: 2016-05-10
- 刊出日期: 2017-06-25

In-Situ Measurement and Numerical Simulation of Wave Pressure on Marine Bridge Cofferdam

TI Zilong¹,
LI Yongle^{1
, ,},
QIN Shunquan^1,2,
MEI Dapeng^1,2

摘要

摘要: 为研究海洋桥梁施工围堰在波浪作用下波浪压力的分布规律，通过现场实测及数值模拟的方法，对海洋桥梁施工过程中使用的大尺度钢围堰表面波浪压力进行了研究.基于三维绕射理论，使用代表波法，对实测有效波高进行规则波模拟，确定了波压力峰值沿围堰表面的分布规律以及随水深的变化规律，并对围堰表面的波浪动压力峰值进行了分析，并与实测值进行了对比.结果表明：三维绕射理论能合理地模拟围堰表面波压力分布；在绕射效应的影响下，波浪总压力、波浪动压力均呈现出迎浪侧大、背浪侧小的特点，波浪动压最大增幅可达125%；实测总压力随水深增加而增加，波浪动压力峰值随水深增加而减小.
- 海洋桥梁 /
- 波浪压力 /
- 围堰 /
- 绕射理论 /
- 现场实测
Abstract: To study the wave pressure distribution on the cofferdam under wave loads, an in-situ measurement and several numerical simulations of the wave pressure on a large-scale steel cofferdam used for construction of a marine bridge were carried out. Through the regular wave simulation of measured significant wave height based on 3D diffraction analysis and representative method, the distribution pattern of peak wave pressures along the surface of the cofferdam and along water depth was obtained and compared with the measured results. Meanwhile, the dynamic wave pressure distribution along the surface of the cofferdam was analyzed and compared with the measured values as well. The results show that the 3D diffraction analysis gives reasonable results about the pressure distribution along the cofferdam. Under the influence of wave diffraction, the peak wave pressure and peak dynamic wave pressure presents a large value at the up-wave side, while a small value at the down-wave side. The maximum difference of dynamic pressure is up to 125%. The measured pressure increases with depth of water, while the peak dynamic wave pressure decreases with depth.
- marine bridge /
- wave pressure /
- cofferdam /
- diffraction theory /
- in-situ measurement

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参考文献(19)

项海帆. 21世纪世界桥梁工程的展望[J]. 土木工程学报,2000,33(3): 1-6. XIANG Haifan. Outlook of world bridge project in twenty-first century[J]. Journal of Civil Engineering, 2000, 33(3): 1-6.

林元培,章曾焕,卢永成,等. 上海东海大桥工程总体设计[J]. 城市道桥与防洪,2004(4): 1-8. LIN Yuanpei, ZHANG Zenghuan LU Yongcheng, et al. Overall design of shanghai donghai bridge project[J]. Urban Roads Bridges Flood Control, 2004(4): 1-8.

李国亮,刘钊,李学民,等. 杭州湾大桥南岸超长施工栈桥设计中风、浪、流荷载的确定[J]. 公路交通科技,2007,24(1): 100-103,108. LI Guoliang,LIU Zhao, LI Xuemin, et al. Design wind, wave and current load of the super long construction trestle in the South Bank of the Hangzhou Bay Bridge[J]. Journal of Highway and Transportation Research and Development, 2007, 24(1): 100-103, 108.

张彦,李国平. 海洋环境对桥梁下部结构的影响[J]. 海岸工程,2006,25(1): 35-40. ZHANG Yan, LI Guoping. Influence of marine environment on bridge understructure[J]. Coastal Engineering, 2006, 25(1): 35-40.

HAVELOCK T H. The pressure of water waves upon a fixed obstacle[J]. Proceedings of the Royal Society of London A, 1940, 175(963): 409-421.

MORISON J R, JOHNSON J W, SCHAAF S A. The force exerted by surface waves on piles[J]. Journal of Petroleum Technology, 1950, 2(5): 149-154.

MACCAMY R C, FUCHS R A. Wave forces on piles: a diffraction theory[R]. Washington D C:Corps of Engineers Washington D C Beach Erosion Board, 1954.

SARPKAYA T, CINAR M. Hydrodynamic interference of two cylinders in harmonic flow[C]//Proceedings of Annual Offshore Technology Conference. Houston: Offshore Technology Conference, 1980: 333-340.

俞聿修,史向宏. 不规则波作用于群桩的水动力系数[J]. 海洋学报,1996,18(2): 138-147. YU Yuxiu, SHI Xianghong. The hydrodynamic coefficient of irregular wave on piles[J]. Acta Oceanologica Sinica, 1996, 18(2): 138-147.

祝兵,宋随弟,谭长建. 三维波浪作用下大直径圆柱绕流的数值模拟[J]. 西南交通大学学报,2012,47(2): 224-229. ZHU Bing, SONG Suidi, TAN Changjian. Numerical simulation of the flow around a large diameter cylinder under the action of three-dimensional wave[J]. Journal of Southwest Jiaotong University, 2012, 47(2): 224-229.

康啊真,祝兵,邢帆. 基于坐标和IBM的大型圆柱波浪力数值模拟[J]. 西南交通大学学报,2014,49(2): 233-239. KANG Azhen, ZHU Bing, XING fan. Numerical simulation based on the coordinate and IBM of wave force on large cylinder[J]. Journal of Southwest Jiaotong University, 2014, 49(2): 233-239.

靳慧,李菁,李爱群. 波浪载荷下海中观光塔铸钢节点疲劳强度验算[J]. 西南交通大学学报,2010,45(5): 692-697. JIN Hui, LI Jing, LI Aiqun. Fatigue strength of medium light tower joint checking[J]. Journal of Southwest Jiaotong University, 2010, 45(5): 692-697.

NAKAMURA H. Wave pressures on large circular cylindrical structures[M]. Coastal Engineering 1976. 1977: 2290-2300.

BRODTKORB P A, MYRHAUG D A, RUE H A. Joint distribution of wave height and wave crest velocity from reconstructed data with application to ringing[J]. International Journal of Offshore and Polar Engineering, 1999, 11(1): 23-32.

俞聿修、柳淑学. 随机波浪及其工程应用[M]. 大连:大连理工大学出版社,2011: 155-160.

王树青、梁丙臣. 海洋工程波浪力学[M]. 青岛:中国海洋大学出版社,2013: 118-120

OUELLET Y. Effect of irregular wave trains on rubble-mound breakwaters[J]. Journal of Waterways, Harbors Coast Engineering Division, 1972, 99(NWW1): 134-135.

合田良実. 不規則波に対する港湾構造物の設計法-6[J]. 港湾,1976,53: 47-53.

王鉴义,章家昌,周家宝,等. 不规则波对平板护面单坡堤的波压力试验研究[J]. 海洋工程,1996,14(4): 23-30. WANG Jianyi, ZHANG Jiachang, ZHOU Jiabao, et al. Experimental study on irregular wave pressures on single slope dykes[J]. Ocean Engineering, 1996, 14(4): 23-30.

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