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An experimental study of the behavior of connections for pultruded GFRP I-beams and rectangular tubes

机译：拉挤GFRP工字钢与矩形管连接行为的实验研究

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This paper presents the results of an experimental investigation comparing beam-to-column connection behavior of pultruded glass fiber reinforced plastic (GFRP) I-beams and box sections. We also present a novel method for measuring connection stiffness that provides new insight into the behavior of flexible connections. The tests comprised six specimens : three I-beams connections and three box-beam connections. The connections had top and bottom seated angles with web clips for the I-beams and side plates for the box beams. Two of the specimens were bolted through the column. Duplicate tests of the standard I-beam and box-beam connections were done to establish repeatability of the tests. The box beam connections performed much better than the I-beam connections with respect to both strength and stiffness. Stiffness was improved by 25/100 and strength increased by 280/100 by using the box sections with a relatively simple connection geometry.
机译：本文介绍了拉挤玻璃纤维增​​强塑料（GFRP）工字梁和箱形截面梁到柱连接性能的实验研究结果。我们还提出了一种用于测量连接刚度的新颖方法，该方法为柔性连接的行为提供了新的见识。测试包括六个样本：三个工字梁连接和三个箱形梁连接。连接具有顶部和底部固定角度，工字梁带有腹板夹，箱形梁带有侧板。将两个样品用螺栓穿过色谱柱。对标准工字梁和箱形梁连接进行了重复测试，以建立测试的可重复性。就强度和刚度而言，箱形梁连接的性能比工字梁连接好得多。通过使用具有相对简单连接几何形状的箱形截面，刚度提高了25/100，强度提高了280/100。

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