侧向冲击荷载作用下两端固定钢管混凝土构件的试验研究  

EXPERIMENTAL STUDY ON CONCRETE FILLED STEEL TUBE WITH FIXED-ENDS UNDER LATERAL IMPACT LOADS

作　　者：李珠[1] 王兆[1] 王蕊[1] 

机构地区：[1]太原理工大学建筑与土木工程学院,山西太原030024

出　　处：《工程力学》2009年第A01期167-170,175,共5页Engineering Mechanics

基　　金：国家自然科学基金面上项目(50578103);山西省自然科学基金项目(20031054)

摘　　要：利用落锤式冲击试验机对两端固定不同壁厚钢管混凝土构件进行了侧向冲击实验。实验过程中记录了冲击力时程曲线,并量取了构件跨中的侧向位移,同时对构件的破坏形态问题也做了分析。揭示了影响两端固定钢管混凝土构件的临界冲击能的影响因素,为进一步研究奠定了基础。The impact experiments of concrete filled steel tubes with fixed-ends were carried out on the drop hammer test machine. The time-history curves of impact loads and the deflection were recorded, and the damage patterns were analyzed. Some factors influencing the critical energy of concrete filled steel tubes are investigated, which lay the foundation for further research on this problem.

关 键 词：钢管混凝土 挠度 冲击力时程曲线 两端固定 侧向冲击 套箍系数 

分 类 号：O347.3[理学—固体力学] TU398[理学—力学]