高轴压比_低剪跨比双钢板_混凝土组合剪力墙拟静力试验研究_聂建国.pdf

30 6 Vol.30 No.6 2013 6 June 2013 ENGINEERING MECHANICS 60 1000-4750(2013)06-0060-07 - 1 1,2 1 (1. 100084 2. 100013) -- 5 1.0 - 1/83 1/72 1/52 -0.7 - TU398.2; TU317.1 A doi: 10.6052/j.issn.1000-4750.2011.09.0587 QUASI-STATIC TEST ON LOW SHEAR-SPAN RATIO COMPOSITE SHEAR WALL WITH DOUBLE STEEL PLATES AND INFILL CONCRETE UNDER HIGH AXIAL COMPRESSION RATIO 1 1,2 1 NIE Jian-guo , BU Fan-min , FAN Jian-sheng (1. Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Tsinghua University, Beijing 100084, China; 2. China Academy of Building Research, Beijing 100013, China) Abstract: The composite shear wall with double steel plates and infill concrete has advantages of reducing wall thickness and increasing capacity and ductility. In order to study the seismic performance of a composite shear wall with double steel plates and infill concrete under a high axial compression ratio, quasi-static tests on five composite shear walls with double steel plates and infill concrete of the shear span ratio of 1 were conducted. The seismic performance and failure modes were observed under low cyclic lateral loads, and the axial compression ratio and distance to thickness ratio on the seismic performance were analyzed. The results indicate that the failure mode of specimens is the flexural-shear failure. Local buckling occurs when the average displacement angle reaches 1/83, and the form of initial buckling is significantly affected by the distance to thickness ratio o