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Stress-strain model study of ferrous tailing concrete short column restraint by hooping

Sujuan Li  ,  
 
1
Civil Engineering College, Tangshan University, Tangshan, China
Mining Science 2019;26:241–248
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ABSTRACT
This paper talked about stress-strain curve of stirrup restraint ferrous tailing concrete by test and theoretical analysis. Twenty short column of 5 strength grade are contained in the test with WC30, WC35, WC40, WC45 and WC50. And the stress-strain data was achieved after the axial compression behavior test. Through the stress-strain curve, it can be found that the stress-strain relationship is similar with natural sand concrete. At the same time, it was put forward the whole stress-strain curve equation of stirrup restraint ferrous tailing concrete. The calculation results showed that the data calculating by the eqution this paper are in good agreement with the experimental data.
CORRESPONDING AUTHOR
Sujuan Li   
Civil Engineering College, Tangshan University, Tangshan, Hebei 063000, China
 
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