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再生混凝土框架结构抗震性能试验研究

Keywords: 再生混凝土,框架结构,抗震性能

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Abstract:

为了研究再生混凝土框架结构的抗震性能,进行了2个1/2.5缩尺的两层两跨再生混凝土框架结构的低周反复荷载试验研究,一个为全再生混凝土框架结构,另一个为一层为普通混凝土、二层为再生混凝土框架结构.在试验基础上,对其承载力、刚度及其退化过程、滞回特性、位移延性、耗能能力、破坏形态与破坏机制等进行了分析.研究表明:2个框架的承载力较为接近,刚度退化规律相同,延性均满足抗震要求,二者破坏机制均为"强柱弱梁"型;再生混凝土框架可用于多层结构或高层结构上部楼层.

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