NDLI: Experimental study on impact behaviour of concrete-filled steel tubes at elevated temperatures up to 800 °C

Content Provider	Springer Nature Link
Author	Huo, Jingsi He, Yuanming Chen, Baisheng
Copyright Year	2013
Abstract	The dynamic behaviour of normal strength concrete-filled steel tubes (CFT) at elevated temperatures up to 800 °C under axial impact loading was experimentally studied by using a newly developed spilt Hopkinson pressure bar (SHPB) together with an electrical furnace. The effects of high temperature, impact velocity, steel ratio and slenderness ratio on the impact behaviour of CFT at elevated temperatures were experimentally studied. The stress and strain time history curves of the tested specimens were recorded to analyze the impact behaviour of CFT at elevated temperatures. The failure modes and the effects of the experimental parameters on the impact resistance of CFT are discussed. The test results showed that normal strength concrete-filled steel tube at elevated temperatures had a more excellent impact resistance in the paper than that described in Huo et al. (2009). A simplified calculation method was updated by introducing the reasonable dynamic increase factor model of hot concrete to reasonably assess the impact resistance of CFT at elevated temperatures.
Starting Page	263
Ending Page	283
Page Count	21
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	47
Issue Number	1-2
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-04-03
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Concrete-filled steel tube Impact resistance High temperature Strain rate SHPB Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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