This paper presents the results of an experimental study performed on concrete structural walls subjected to vertical and cyclic lateral loads. The purpose of the study is to experimentally investigate the seismic behavior and performance of composite steel–concrete coupled walls with regular openings and conventional reinforced coupling beams. The paper also addresses the manner in which the use of steel fibers reinforced concrete and various composite steel–concrete connections influence the hysteretic performance of the walls. Four of the total five experimental specimens had centrally aligned openings, while the fifth one was designed as a solid wall and served as reference. The experimental specimens present various cross-sectional arrangements, thus the testing matrix comprises of a total of three composite steel–concrete walls with central openings (CSRCW) with steel profiles partially embedded on the edges, one conventional reinforced concrete wall (RCW) with central openings and the solid specimen, which is also a composite steel–concrete wall. Based on the experimental results, it was observed that by embedding supplementary steel fibers in the concrete matrix, the ductility loss due to openings could be regained and significantly improved. The composite connection between structural steel and concrete web panel of the walls could successfully resist until the specimens reached the ultimate failure. The paper therefore concludes on the performance of various structural solutions and details by highlighting strengths and weaknesses of the systems.

本文介绍了对混凝土结构墙进行垂直和周期性侧向荷载的实验研究结果。这项研究的目的是通过实验研究具有规则开口和常规增强型耦合梁的复合钢-混凝土耦合墙的抗震性能和性能。本文还讨论了钢纤维增强混凝土和各种钢-混凝土复合连接的使用如何影响墙的滞后性能的方式。全部五个实验标本中有四个具有居中对齐的开口，而第五个被设计为实心墙并用作参考。实验样品呈现出各种横截面布置，因此，测试矩阵包括总共三层带中央开口的钢-混凝土复合墙（CSRCW），部分轮廓上嵌有钢型材，一幅带中央开口的传统钢筋混凝土墙（RCW）和实心试样，这也是钢-混凝土复合墙。根据实验结果，观察到通过在混凝土基体中嵌入辅助钢纤维，可以恢复并显着改善由于开孔引起的延展性损失。结构钢与墙的混凝土腹板之间的复合连接可以成功抵抗，直到试样达到最终破坏为止。因此，本文通过强调系统的优缺点来总结各种结构解决方案和细节的性能。