高桩码头抗震简化分析方法

doi:10.13278/j.cnki.jjuese.20200293

吉林大学学报(地球科学版) ›› 2021, Vol. 51 ›› Issue (5): 1523-1534.doi: 10.13278/j.cnki.jjuese.20200293

高桩码头抗震简化分析方法

张安琪¹, 苏雷¹, 凌贤长^1,2, 唐亮², 王建峰¹, 焉振³

1. 青岛理工大学土木工程学院, 山东青岛 266033;
2. 哈尔滨工业大学土木工程学院, 哈尔滨 150001;
3. 交通运输部天津水运工程科学研究所, 天津 300000

收稿日期:2020-12-07 出版日期:2021-09-26 发布日期:2021-09-29
通讯作者: 苏雷(1986-),男,副教授,博士,主要从事土动力学及岩土地震工程方面的研究,E-mail:sulei@qut.edu.cn E-mail:sulei@qut.edu.cn
作者简介:张安琪(1996-),女,硕士研究生,主要从事高桩码头抗震方面的研究,E-mail:17860425793@163.com
基金资助:
国家自然科学基金项目（51808307，42072310）

Simplified Method for Seismic Analysis of Pile-Supported Wharf

Zhang Anqi¹, Su Lei¹, Ling Xianzhang^1,2, Tang Liang², Wang Jianfeng¹, Yan Zhen³

1. School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, China;
2. School of Civil Engineering, Harbin Institute of Technology, Harbin 150001, China;
3. Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300000, China

Received:2020-12-07 Online:2021-09-26 Published:2021-09-29
Supported by:
Supported by the National Natural Science Foundation of China (51808307, 42072310)

摘要/Abstract

摘要： 国际贸易的迅速发展，加快了港口工程建设的速度，同时对港口工程的抗震性能提出了更高的要求。高桩码头作为港口工程中最常用的结构型式之一，在我国港口工程建设方面得到了广泛应用。目前对高桩码头的抗震简化分析方法以及桩基特性对高桩码头地震响应的影响方面研究较少。基于此，本文利用开源有限元数值计算平台OpenSees，介绍了高桩码头简化分析方法模型的建立途径，并分析了桩基特性参数对高桩码头关键地震响应量的影响。研究结果表明：钢筋弹性模量对码头桩基的地震响应影响较小，可减少考虑；钢筋的强化阶段对截面达到屈服曲率后的弯矩承载力起主要作用；混凝土抗压强度的增加可降低结构的位移响应峰值；过大或过小的混凝土抗压强度和钢筋屈服强度，都不利于码头结构对地震能量的耗散。

关键词: 高桩码头, 桩-土相互作用, 弯矩-曲率, 地震响应, 参数分析

Abstract: The rapid development of international trade speeds up the construction of port projects,and puts forward higher requirements for the seismic performance of port engineering. Pile-supported wharf, as one of the most common types of port engineering, has been widely used in port engineering construction. At present, there are few studies on the simplified method for seismic analysis of pile-supported wharf and the influence of pile foundation characteristics on its seismic response. In this study, a simplified analysis model of the pile-supported wharf was provided, and the influence of the characteristic parameters of the pile foundation on the seismic response was analyzed by using open-source OpenSees computational platform. The computed results show that:1) The elastic modulus of reinforcement has a little influence on the seismic response of the pile foundation; 2) The reinforcement stage of the steel bar plays an important role in the bending moment bearing capacity after the section reaches the yield curvature; 3) The increase of concrete compressive strength can reduce the peak displacement of the wharf; 4) Larger or smaller concrete compressive strength and steel bar yield strength are not conducive to the dissipation of seismic energy of the wharf structures.

Key words: pile-supported wharf, soil-pile interaction, moment-curvature, seismic response, parameter analysis

中图分类号:

U656.113

张安琪, 苏雷, 凌贤长, 唐亮, 王建峰, 焉振. 高桩码头抗震简化分析方法[J]. 吉林大学学报(地球科学版), 2021, 51(5): 1523-1534.

Zhang Anqi, Su Lei, Ling Xianzhang, Tang Liang, Wang Jianfeng, Yan Zhen. Simplified Method for Seismic Analysis of Pile-Supported Wharf[J]. Journal of Jilin University(Earth Science Edition), 2021, 51(5): 1523-1534.

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高桩码头抗震简化分析方法

Simplified Method for Seismic Analysis of Pile-Supported Wharf

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