scholarly journals ANALYTICAL STUDY ON DEFORMATION PROPERTY OF REINFORCED CONCRETE COLUMNS USING HIGH-STRENGTH CONCRETE DURING A FIRE

Author(s):  
Ken-ichi ICHISE ◽  
Shinji KAWABE
2012 ◽  
Vol 479-481 ◽  
pp. 2041-2045
Author(s):  
Yue Qi

Based on experimental research on plain concrete columns with high strength concrete core, the formula to predict the bearing capacity of concrete columns with high strength concrete core under axial compression loading was brought forward in previous paper, in order to verify the formula whether right, axial compression test including 3 concrete columns with high strength concrete core and 1 ordinary reinforced concrete column were completed, and the failure characteristic was analyzed additionally. According to experimental results, it can be shown that the failure modes of concrete columns with high strength concrete core are similar to that of ordinary reinforced concrete columns, however, the bearing capacity of concrete columns with high strength concrete core is significant higher compared with that of ordinary reinforced concrete column; the results of the bearing capacity obtained by the formula (2) was in good agreement with the experimental results.


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