HRBF500钢筋及纤维增强水泥基复合材料空心柱受压试验研究  

EXPERIMENTAL STUDY ON HRBF500 AND FIBER REINFORCED CEMENTITIOUS COMPOSITES HOLLOW COLUMNS UNDER ECCENTRIC LOADING

作　　者：姚山[1,2] 孔崔巍 张继文[1] 

机构地区：[1]东南大学混凝土及预应力混凝土结构教育部重点实验室,南京210096 [2]兰州军区空军勘察设计院,兰州730020 [3]南通市规划设计院有限公司,江苏南通226000

出　　处：《工业建筑》2012年第11期27-31,共5页Industrial Construction

基　　金：国家“863”计划项目(2008AA030704)

摘　　要：通过对8根HRBF500钢筋与纤维增强水泥基复合材料构成的空心柱的受压静载试验,研究不同偏心距、配筋率和纤维种类条件下,受压柱荷载-挠度曲线、荷载-钢筋应变曲线、荷载-水泥基材应变曲线以及破坏形态的特点,并验证平截面假定。试验结果表明:这种空心柱在偏心荷载作用下具有良好的变形能力和较高的承载力,其设计方法和普通高强混凝土柱基本一致,满足现行规范GB 50010—2010的要求。Eight HRBF500 and fiber reinforced cementitious composites hollow columns under eccentric loading were tested to study the effects of experimental parameters, such as eccentricity distance, reinforcement ratio and fiber types, the load-deflection curves, the load-strain curves of the steel bar, the load- strain curves of the cementitious materials and failure characters; and the plane cross-section assumption was verified. The results showed that HRBF500 and fiber reinforced cementitious composites hollow columns had good deformation capacity and high bearing capacity under eccentric loads. Their design method was generally consistent with normal high strength concrete columns, satisfying the requirements of current code GB 50010 -2010.

关 键 词：HRBF500 纤维增强水泥基复合材料 空心柱 偏心受压 

分 类 号：TU528[建筑科学—建筑技术科学]