Numerical analysis of aluminium alloy gusset joints subjected to bending moment and axial force
Numerical analysis of aluminium alloy gusset joints subjected to bending moment and axial force
复制标题
铝合金角板节点弯矩和轴向力作用的数值分析
DOI：
10.1016/j.engstruct.2017.09.005
复制
发表时间：
2017-12-01
影响因子：
5.5
通讯作者：
Xu, Han
中科院分区：
文献类型：
--
作者：
Xiong, Zhe;Guo, Xiaonong;Xu, Han
对承受弯矩和轴力的铝合金节点板（AAG）的半刚性性能进行了系列试验，并在配套文件中进行了报告。本文介绍了一个广泛的数值分析程序的结果，致力于调查的弯曲性能的MG节点。通过在非线性代码ABAQUS中实现的有限元（FE）模型进行了分析。该程序是准确校准的基础上，现有的实验结果。结果表明，有限元模型能够有效地描述MG节点的力学性能，包括节点的破坏模式、变形过程和弯矩转角曲线。此外，剪力连接件、厚板以及螺栓与螺栓孔的超前接触可以改善节点的抗弯性能。根据MG节点的变形过程，提出了一种四线模型来模拟节点的弯矩-转角关系。为了进一步了解，构件高度，轴力，螺栓预紧力，螺栓间隙和材料非线性的AAG节点的弯曲性能的影响进行了研究。(C)2017爱思唯尔有限公司版权所有
A test series was carried out and reported in a companion paper on the semi-rigid behaviour of aluminium alloy gusset (AAG) joints subjected to bending moment and axial force. This paper presented the results of an extensive numerical analysis program devoted to the investigation of the bending behaviour of MG joints. The analysis was developed by means of finite element (FE) models implemented in the non-linear code ABAQUS. The procedure was accurately calibrated on the basis of the available experimental results. It is indicated that the FE models could be used effectively to describe the mechanical performance of MG joints, including the failure modes, deformation process and bending moment rotation curves. Furthermore, the shear connector, the thick plate and the advanced contact of bolts and bolt holes could improve the bending behaviour of AAG joints. According to the deformation process of MG joints, a four-line model was proposed to simulate the bending moment-rotation relationship. To develop a further understanding, the effects of the member height, axial force, bolt pretension force, bolt gap and material nonlinearity on the bending behaviour of AAG joints were investigated. (C) 2017 Elsevier Ltd. All rights reserved.