Experimental investigation on an innovative built-up cold-formed steel I-section connection

IF 6.2 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY alexandria engineering journal Pub Date : 2024-09-13 DOI:10.1016/j.aej.2024.09.010

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Abstract

Bolted connections for built-up cold-formed sections are studied using different section configurations, gusset plates, and bolt arrangements. This paper presents the study of a connection between beam and column in light-weight steel frames with spans ranging between 8.0 and 12.0 m and a maximum height of 6.0 m that are used in agricultural sheds. The cross section of the beam and column is a novel built-up cold-formed cross section. A total of eight connections were tested and studied. The purpose of the study is to determine the effect of serval factors on the moment capacity and failure modes of the connection. The experimental study considered the effects of different shapes of tie plates, numbers, and spacings of bolts, as well as the effect of strengthening angles with different numbers of bolts in the connections. The experimental results showed that the failure modes in all connection types were due to a local failure in the connecting parts. The experimental results revealed that the configuration type has a great influence on the moment capacity of the connection.

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创新型内置冷弯型钢 I 形截面连接的实验研究

本文使用不同的截面结构、桁架板和螺栓布置，对内置冷弯型钢的螺栓连接进行了研究。本文介绍了轻型钢框架中梁与柱之间的连接研究，该框架跨度在 8.0 到 12.0 米之间，最大高度为 6.0 米，用于农业大棚。梁和柱的横截面是一种新颖的内置冷弯横截面。总共测试和研究了八个连接。研究的目的是确定役权因素对连接的弯矩承载能力和失效模式的影响。实验研究考虑了不同形状的连接板、螺栓数量和间距的影响，以及连接中不同螺栓数量的加强角的影响。实验结果表明，所有连接类型的失效模式都是由于连接部件的局部失效造成的。实验结果表明，结构类型对连接的弯矩承载能力有很大影响。

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来源期刊

alexandria engineering journal Engineering-General Engineering

CiteScore

11.20

自引率

4.40%

发文量

1015

审稿时长

43 days

期刊介绍： Alexandria Engineering Journal is an international journal devoted to publishing high quality papers in the field of engineering and applied science. Alexandria Engineering Journal is cited in the Engineering Information Services (EIS) and the Chemical Abstracts (CA). The papers published in Alexandria Engineering Journal are grouped into five sections, according to the following classification: • Mechanical, Production, Marine and Textile Engineering • Electrical Engineering, Computer Science and Nuclear Engineering • Civil and Architecture Engineering • Chemical Engineering and Applied Sciences • Environmental Engineering