| 预制混凝土结构U形闭合筋连接轴压试验 |
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| 引用本文： | 刘家彬,陈云钢,郭正兴,等.预制混凝土结构U形闭合筋连接轴压试验[J].建筑技术,2014(1):68-71. |
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| 作者姓名： | 刘家彬 陈云钢 郭正兴 等 |
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| 作者单位： | [1]l东南大学土木工程学院,南京210096 [2]安徽工业大学建筑工程学院,安徽马鞍山243002 |
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| 基金项目： | “十二五”国家科技支撑计划项目（2011BAJl08031 |
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| 摘 要： | 为了解预制混凝土结构U形闭合筋连接方法的合理性,设计制作了2个U形闭合筋试件和1个现浇试件,进行单轴压力载荷试验。试验结果表明:U形闭合筋可有效传递轴向应力,现浇与预制结合面在试件破坏之前未出现明显滑移,试件破坏时U形闭合筋未出现鼓屈现象,破坏形态与现浇试件接近,U形闭合筋在轴向压力下水平连接稳定可靠。
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| 关 键 词： | 预制混凝土结构 U形闭合筋连接 轴压试验 |
AXIAL COMPRESSIVE TEST OF U-CLOSED REINFORCEMENT CONNECTION OF PRECAST CONCRETE STRUCTURE |
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| LIU Jia-bin^,CHEN Yun-gang^,GUO Zheng-xing^,ZHANG Jian-xi.AXIAL COMPRESSIVE TEST OF U-CLOSED REINFORCEMENT CONNECTION OF PRECAST CONCRETE STRUCTURE[J].Architecture Technology,2014(1):68-71. |
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| Authors: | LIU Jia-bin^ CHEN Yun-gang^ GUO Zheng-xing^ ZHANG Jian-xi |
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| Affiliation: | 1 (1.School of Civil Engineering, Southeast University, 210096, Nanjing, China; 2.School of Civil Engineering and Architecture, Anhui University of Technology, 243002, Ma＇anshan, Anhui, China) |
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| Abstract: | In order to understand the rationality of the U-closed reinforcement connection of the precast concrete structure, two U-shaped closed tendon specimens and a were designed in uniaxial pressure loading test. The results show that：the U closed reinforcement connection can effectively transfer axial stress, the slip is not apparent in joint between cast-in-place with precast surface before the destruction of the specimen, the phenomenon of drum flexor tendon does not appear when U-closed specimen is damage,the failure modes is close to the cast-in-place specimen. The U-closed closure reinforcement connection in axial pressure is reliable. |
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| Keywords: | precast concrete structure U-closed reinforcement connection axial compressive test |
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