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장극관 ( Chang Gug-kwan ),서대원 ( Seo Dea-won ),한태경 ( Han Tae-kyoung ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
Masonry structures are used throughout the world for the construction of residential buildings. However, from a structural viewpoint, the masonry material is characterized by a very low tensile strength; thus, masonry constructions often present diffuse fracture patterns. Moreover, masonry bearing and shear walls have been found to be vulnerable to earthquakes. In this study, to improve the seismic performance of masonry structures, hexagon blocks were developed and six hexagonal block walls were tested to failure under reversed cyclic lateral loading. This paper focuses on an experimental investigation of different types of hollow hexagonal block walls, i.e., walls with different hexagon blocks and with different reinforcing bar arrangements, subjected to slowly applied cyclic loads. The cracking and damage patterns and hysteretic feature are evaluated. Results showed that damage to blocks is reduced and brittle failure is avoided by the comparatively hexagonal blocks walls than the existing masonry walls.