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Shear effects on bending behaviour of CFRP floor panels

机译:剪力对CFRP地板弯曲性能的影响

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摘要

This article analytically and experimentally investigated the shear effects on the deflection of a carbon fibre reinforced polymer (CFRP) based building floor panel. The proposed CFRP floor panel was developed by same authors, which is a pultruded CFRP beam with an open cross-section and multi cells consisted of thin-walled plates. It aims to develop green buildings for saving energy and reducing CO_2 emission in low carbon constructional industry. This article presents the investigation of shear effects on the deflection of the pultruded beam with an open cross-section and two cells consisted of thin-walled plates. Investigation includes analytical and experimental work. The formulations to calculate the shear effects on the deflection of the CFPR floor panel in two different loading cases were conducted analytically, and were validated by experimental work of scaled floor panels. Investigation found that the shear effect of proposed CFRP floor panel on the deflection is significant, and important when carrying out deflection check in designing the buildings with CFRP floor panels. A cross-sectional form factor regarding shear effects on the deflection and load-deflection correction factors were produced for further researches in the society of composite thin-walled structures and practical applications in the CFRP related constructional industry.
机译:本文通过分析和实验研究了剪切作用对基于碳纤维增强聚合物(CFRP)的建筑地板的挠度的影响。提议的CFRP地板面板是由同一作者开发的,它是具有开放横截面的拉挤CFRP梁,多单元由薄壁板组成。它旨在开发绿色建筑,以在低碳建筑行业中节约能源并减少CO_2排放。本文提出了对拉力梁挠度的剪切效应的研究,该拉力梁具有开放的横截面和两个由薄壁板组成的单元。调查包括分析和实验工作。分析地计算了两种情况下计算剪切对CFPR地板挠度的影响的公式,并通过比例地板的实验工作进行了验证。调查发现,建议的CFRP地板面板对挠度的剪切作用是显着的,并且在设计使用CFRP地板的建筑物进行挠度检查时非常重要。产生了关于剪切对挠度影响的横截面形状因数和载荷-挠度校正因数,以用于复合薄壁结构社会的进一步研究以及在CFRP相关建筑行业中的实际应用。

著录项

  • 来源
    《Composite Structures》 |2014年第1期|11-18|共8页
  • 作者

    Y. Gao; J.Chen; D. Fox;

  • 作者单位

    School of Civil Engineering and Surveying, Faculty of Technology, University of Portsmouth, Portsmouth PO1 3AH, UK;

    School of Civil Engineering and Surveying, Faculty of Technology, University of Portsmouth, Portsmouth PO1 3AH, UK;

    School of Civil Engineering and Surveying, Faculty of Technology, University of Portsmouth, Portsmouth PO1 3AH, UK;

  • 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

    Shear effect; Pultruded CFRP floor panel; Form factor; Shear deflection correction;

    机译:剪切作用;拉挤CFRP地板;构成因素;剪切挠度校正;

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