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首页> 外文期刊>Bulletin of earthquake engineering >Experimental testing on emulative connections for precast columns using grouted corrugated steel sleeves
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Experimental testing on emulative connections for precast columns using grouted corrugated steel sleeves

机译：波纹钢套管注浆预制管连接试验研究

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摘要

Seismic analysis of precast concrete structures requires specific information regarding the behaviour of the connections under large deformation cycles. If a connection is located within the critical region of a structural element, its energy dissipation capacity needs to be confirmed by experimental testing. The use of emulative connections for precast elements is attractive for designers because common conventional design methodologies and assumptions developed for cast in place structures may be readily used. The results of a structural testing program for precast columns connected using grouted corrugated steel sleeves are reported in this paper. A comparison with reference "cast in place" specimens is made and conclusions regarding the emulative characteristic of the connection are drawn. Tests were carried out on scaled concrete columns using the reaction frame at the Technical University of Civil Engineering of Bucharest. Four precast specimens and two reference specimens were tested. Analysis of the recorded data showed that the precast specimens have similar hysteretic response and energy dissipation capacity as the reference ones.
机译：预制混凝土结构的地震分析需要有关大变形周期下连接行为的特定信息。如果连接位于结构元件的关键区域内，则其耗能能力需要通过实验测试来确认。对预制件使用仿真连接对设计者来说很有吸引力，因为可以很容易地使用为浇铸结构开发的通用常规设计方法和假设。本文报道了使用注浆波纹钢套筒连接的预制柱的结构测试程序的结果。进行了与参考“现场浇铸”样品的比较，并得出了有关连接的乳化特性的结论。使用反应框架在布加勒斯特土木工程技术大学对按比例缩放的混凝土柱进行了测试。测试了四个预制样本和两个参考样本。对记录数据的分析表明，预制样本具有与参考样本相似的滞后响应和能量耗散能力。

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