...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>KSCE journal of civil engineering >Evaluation of Equivalent Bending Stiffness by Simplified Theoretical Solution for an FRP-aluminum Deck-truss Structure
【24h】

Evaluation of Equivalent Bending Stiffness by Simplified Theoretical Solution for an FRP-aluminum Deck-truss Structure

机译：FRP-铝合金桥架结构简化理论解的等效弯曲刚度评估

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A hybrid Fiber-Reinforced Polymer (FRP)-aluminum spatial deck-truss structure that incorporates an innovative structural form and advanced extrusion-type FRP profiles has the advantages of a lightweight, high-bearing capacity, and faster installation. In this study, a design-oriented investigation was conducted with a simplified theoretical solution to conveniently evaluate the equivalent bending stiffness of the above-mentioned unique structure. The simplified theoretical solution was derived using the equivalent continuum beam method based on the homogenization concept and shearing equivalence principle. The theoretical prediction enabled a direct format and simple calculation process convenient for engineers in terms of the calculation and design. The theoretical solution was experimentally and numerically calibrated to ensure that the formulae have the satisfactory accuracy. The accuracy of the predicted bending stiffness exceeded 90%. The derivation procedures and formulae further indicated that the FRP web diagonals played a key role in resisting the global bending stiffness of the unique structure, and thus, the shear deformation should be considered in the structural design in terms of stiffness-driven. When compared with the conventional calculation method for obtaining the bending stiffness of steel solid-web beams and planar trusses, the proposed method was more accurate and applicable for the unique hybrid structures.
机译：混合纤维增强聚合物（FRP）-铝质空间甲板桁架结构，结合了创新的结构形式和先进的挤压型FRP型材，具有重量轻，承载力高和安装速度快的优点。在这项研究中，采用简化的理论方法进行了面向设计的研究，以方便地评估上述独特结构的等效弯曲刚度。基于均质化概念和剪切当量原理，使用等效连续光束法推导了简化的理论解。理论预测使直接格式和简单的计算过程变得方便工程师进行计算和设计。对理论解进行了实验和数值校准，以确保公式具有令人满意的精度。预测的弯曲刚度的准确性超过90％。推导程序和公式进一步表明，FRP腹板对角线在抵抗独特结构的整体弯曲刚度方面起着关键作用，因此，在结构设计中应从刚度驱动的角度考虑剪切变形。与获得钢实腹板梁和平面桁架抗弯刚度的传统计算方法相比，该方法更加准确，适用于独特的混合结构。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号