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首页> 外文期刊>Composite Structures >Nonlinear finite element analyses of FRP-strengthened reinforced concrete slabs using a new layered composite plate element
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Nonlinear finite element analyses of FRP-strengthened reinforced concrete slabs using a new layered composite plate element

机译：新型多层复合板单元对FRP加固钢筋混凝土板的非线性有限元分析

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摘要

A new layered 4-node, 24-degrees of freedom rectangular composite plate element is developed in this paper for nonlinear finite element analyses of FRP-strengthened RC slabs. The layered approach is used to form an integrated plate element for modelling of concrete, FRP, adhesive layer and steel reinforcement with a perfect bond assumption between each layer. Timoshenko's composite beam functions are employed to describe the bending behaviour of the layered plate element and shear locking problem is avoided naturally. Geometrical and material nonlinearities are both included in the new plate element. The proposed element is simple and demonstrated to be accurate and efficient for analysis of the structural behaviour of FRP-strengthened RC slabs. Once validated, the new element is also employed to investigate the effects of parameters, including the types of FRPs and strengthening scheme on the structural behaviour of FRP-strengthened RC slabs.
机译：本文开发了一种新的分层四节点，24自由度矩形复合板单元，用于FRP加固RC板的非线性有限元分析。分层方法用于形成一个集成的板单元，用于对混凝土，FRP，粘结层和钢筋进行建模，并在每一层之间建立完美的粘结假设。蒂莫申科的复合梁函数用于描述层状板单元的弯曲行为，自然避免了剪切锁定问题。几何和材料非线性都包含在新的板单元中。拟议中的元素很简单，并被证明是准确而有效的，以分析玻璃纤维增​​强的钢筋混凝土板的结构性能。一旦通过验证，该新元件也将用于研究参数的影响，包括玻璃钢的类型和加固方案对玻璃钢加固的RC板的结构性能的影响。

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  • 来源
    《Composite Structures》 |2014年第8期|20-29|共10页
  • 作者

    Xiaodan Teng; Y.X. Zhang;

  • 作者单位

    School of Engineering and Information Technology, The University of New South Wales, Canberra, Australian Defence Force Academy, ACT 2600, Australia;

    School of Engineering and Information Technology, The University of New South Wales, Canberra, Australian Defence Force Academy, ACT 2600, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Composite plate element; FRP; Nonlinear finite element analysis; Concrete slabs;

    机译：复合板元件;玻璃钢;非线性有限元分析;混凝土板;

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