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中文摘要：
为了研究钢管再生混凝土柱的轴压性能，以再生粗骨料和截面含钢率为主要变化参数设计了11个试件进行轴压试验，观察了试件的受力全过程和破坏形态，获取了钢管再生混凝土的应力一应变全过程曲线，分析了骨料取代率对钢管再生混凝土承载性能、峰值应力以及峰值应变的影响，试验研究结果表明：钢管再生混凝土的破坏形态与普通钢管混凝土相似，具有良好的承载能力和变形性能，骨料取代率对钢管再生混凝土的轴压承载能力影响不大。研究结论可供科学研究和工程应用参考。
英文摘要：
In order to reveal the mechanical behavior of recycled aggregate concrete-filled circle steel tube column under axial compression loading.11 specimens were designed for test.The specimens parameters are recycled coarse aggregate replacement percentage and steel confine co- efficient.According to the test, the failure process and patterns were obtained, the whole process curve of stress-strain were measured, and some important parameters, such as the peak stress and peak strain were analyzed, the study indicates that the recycled aggregate concrete-filled circular steel tube columns＇ failure patterns are similar to ordinary concrete-filled steel tube colunm.With the recycled coarse aggregate replacement per- centage increasing,the peak stress has slightly increased.
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