条形锚板抗拔承载力的离散元分析

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英文篇名：Discrete Element Analysis of Uplift Bearing Capacity of Strip Anchor Plate 作者：洪丰 ; 徐彬 英文作者：Hong Feng;Xu Bin;CCCC Third Harbor Consultants Co., Ltd.;CCCC First Harbor Consultants Co., Ltd.; 关键词：条形锚板 ; 承载力 ; 砂土 ; 细观参数 ; 颗粒流PFC ; 系泊系统 英文关键词：strip anchor plate;;bearing capacity;;sandy soil;;microscopic parameters;;particle flow code PFC;;mooring system 中文刊名：港工技术 英文刊名：Port Engineering Technology 机构：中交第三航务工程勘察设计院有限公司;中交第一航务工程勘察设计院有限公司; 出版日期：2019-02-15 出版单位：港工技术 年：2019 期：01 语种：中文; 页：41-46 页数：6 CN：12-1220/U ISSN：1004-9592 分类号：TU476

摘要

本文采用离散元分析技术-颗粒流(软件PFC2d)来建立能够合理描述锚板上拔过程的颗粒流模型。通过详细考察颗粒刚度、模型粒径比、颗粒摩擦系数、模型孔隙率等细观参数对荷载-位移曲线以及锚板抗拔承载力的影响,将数值模拟结果与试验结果进行对比分析,验证了该数值方法的合理性与可行性。通过数值方法的建立分析预测条形锚板承载力,对优化锚固基础结构形式、提高系泊系统稳定性具有重要的工程意义。
        A discrete element analysis technique(software PFC2 d) is used to build a particle flow code model that shows a reasonable uplift process of anchor plates. By quantifying the impact of such microscopic parameters as particle stiffness, particle size ratio, particle friction coefficient and model's porosity on the load-displacement curve and uplift bearing capacity of anchor plates, the numerical simulation results are compared with the experimental results, and the analysis results verify the feasibility and rationality of the numerical method. The bearing capacity of strip anchor plates can be analyzed and predicted by using the above method, which will plays an important role in optimizing the structure of anchoring foundation and stabilizing the mooring system.

引文

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