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FRP钢混凝土组合柱的研究现状
Research Status of FRP Steel Concrete Composite Columns
投稿时间:2018-07-02  修订日期:2018-07-15
DOI:103969/j.issn.1007 9629201903015
中文关键词:  FRP混凝土钢混合双管柱  FRP钢管混凝土柱  FRP型钢混凝土柱  力学性能  相互作用机理
英文关键词:FRP concrete steel double skin tubular column  FRP confined concrete filled steel tubular column  FRP confined concrete encased steel column  mechanical property  interaction mechanism
基金项目:“十三五”国家重点研发计划项目(2017YFC0703406);国家自然科学基金资助项目(51878540)
        
作者单位
史庆轩
SHI Qingxuan
西安建筑科技大学省部共建西部绿色建筑国家重点实验室,陕西西安710055
Laboratory of Green Building in Western China, Xian University of Architecture & Technology, Xian 710055, China
戎翀
RONG Chong
西安建筑科技大学省部共建西部绿色建筑国家重点实验室,陕西西安710055
Laboratory of Green Building in Western China, Xian University of Architecture & Technology, Xian 710055, China
陈云枭
CHEN Yunxiao
西安建筑科技大学省部共建西部绿色建筑国家重点实验室,陕西西安710055
Laboratory of Green Building in Western China, Xian University of Architecture & Technology, Xian 710055, China
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中文摘要:
      纤维增强聚合物(FRP)复合材料作为约束材料,已在组合柱中得到了大量研究与应用.其中组合形式主要包括FRP混凝土钢混合双管柱、FRP钢管混凝土柱以及FRP型钢混凝土柱.通过回顾和总结近几年国内外对于上述3种组合柱的研究成果,详细分析了组合柱的力学性能,并研究了各种组合柱的受力特点及组合柱中FRP、钢和混凝土3种材料之间的相互作用机理.结果表明:虽然针对FRP钢混凝土组合柱已进行了大量试验研究,但理论研究尚不成熟,今后的研究应基于理论分析与试验研究相结合,对FRP钢混凝土组合柱进行透彻研究,同时还需有效结合3种材料进行截面设计,从而提高组合柱的力学性能.
英文摘要:
      As the confining materials, the fiber reinforced polymer(FRP) composite materials have been extensively studied and applied in composite columns, such as FRP concrete steel double skin tubular columns, FRP confined concrete filled steel tubular columns and FRP confined concrete encased steel columns. The existing researches about the three kinds of composite columns were reviewed and discussed. The significance and inadequate of these studies were presented. Furthermore, the mechanical properties of the three composite columns were analyzed. Then the mechanical characteristics and the interaction mechanism among the three kinds of materials were studied. By comparing the mechanical properties of different sections, the combining effect of different materials is revealed. There are a large number of experimental researches for FRP steel concrete composite columns. However, theoretical research is insufficient. In the future researches, it should be based on the combinational theoretical analysis and experimental study to thoroughly analyze the composite columns. Furthermore, the rational section design for FRP steel concrete composite columns should be studied, based on the effective combination of three kinds of materials to improve the mechanical properties of the FRP steel concrete composite columns.
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