汪明栋¹，  王铁成²，  于庆荣²，  孙  晔²
    （1 山东交通学院，济南250023；2 天津大学建筑工程学院，天津300072）

[摘要] 实际工程中，轻骨料混凝土( LC)剪力墙的轴压比在抗震设计中对其抗剪强度和延性性能有着直接的影响。为使设计规程具有足够的理论依据，在六榀轻骨料混凝土剪力墙试件的试验与相关研究的基础上，研究了在低周反复荷载作用下，着重考虑不同轴压比对中等高度有边框剪力墙的斜截面抗剪强度的影响效应，并利用软化桁架模型，建立剪切问题控制方程组，进行了理论分析和预测，所得结果与测试数据符合良好。
[关键词] 轻骨料混凝土剪力墙；轴压比；抗剪强度；软化桁架模型
中图分类号：TU375.3    文献标识码：A  文章编号：1002-848X(2011) S2-0208-03

    Analysis of axial compression ratio on shear strength of reinforced light-weight concrete shear walls with softened truss model
    Wang Mingdong¹,  Wang Tiecheng²,  Yu Qingrong²,  Sun Ye²
    (1 Shandong Jiaotong University, Jinan 250023, China;  2 School of Civil Engineering, Tianjin University, Tianjin 300072, China)

Abstract: For practical reasons, the axial compression ratio is considered to be a critical factor in light weight concrete shear wall design relating to the shear strength as well as the ductility. According to the experiment and relevant research, the shear strength and failure mode of mid-rise light-weight concrete shear walls under cyclic loads, especially under different axial loads, were analyzed. By using a softened truss model,  satisfactory agreement between theoretical results and experimental ones is achieved so as to present an approach for those designers.
Keywords: light-weight concrete shear wall; axial compression ratio; shear strength; softened truss model