ABSTRACT

A novel bracing system called here fan-bracing system (FBS) has been introduced. Despite its relatively simple mechanism and manufacturing process, FBS can considerably enhance the ductility and energy absorption capacity of the structure by preventing the undesirable premature buckling effects through replacing axial deformations by flexural deformations. The excellent seismic performance of the proposed system is demonstrated through detailed numerical modelling in ABAQUS using experimentally validate models. New design equations are also provided for practical applications. The symmetrical behavior, high-energy absorption, and lighter weight in comparison with conventional systems are some of the advantages of the proposed system.

摘要

引入了一种称为扇形支撑系统 (FBS) 的新型支撑系统。尽管其机制和制造过程相对简单，但 FBS 可以通过以弯曲变形代替轴向变形来防止不良的过早屈曲效应，从而显着提高结构的延展性和能量吸收能力。通过使用实验验证模型在 ABAQUS 中进行详细的数值建模，证明了所提出系统的出色抗震性能。还为实际应用提供了新的设计方程。与传统系统相比，对称行为、高能量吸收和更轻的重量是所提出系统的一些优点。