Shear strain effects on flexure and torsion of thin-walled pultruded composite beams

被引：13
|
作者：
Kabir, MZ [1 ]
Sherbourne, AN
机构：
[1] AmirKabir Univ Technol, Dept Civil Engn, Tehran, Iran
[2] Univ Waterloo, Dept Civil Engn, Waterloo, ON N2L 3G1, Canada
来源：
CANADIAN JOURNAL OF CIVIL ENGINEERING | 1999年 / 26卷 / 06期
关键词：
pultruded; shear strain; composite beams; twist;
D O I：
10.1139/cjce-26-6-852
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The paper presents a theoretical study on the static structural response of thin-walled composite open-section beams. Based on a Vlasov-type linear hypothesis, a beam theory is formulated in terms of in-plane elastic properties to analyze composite I and channel section pultruded beams which includes the transverse shear deformation of the beam cross section. The importance of the shear influence on the total vertical deflection is reported. Symmetric lay-up composite beams result in a bending-twisting structural coupling. The optimal fibre orientation for minimizing vertical displacements and twist angle is also investigated.
引用
收藏
页码：852 / 868
页数：17
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