scholarly journals REDUCTION OF SELF-INDUCED STRESS AND RESULTANT CRACKS IN REINFORCED ULTRA HIGH-STRENGTH CONCRETE COLUMN BY DOSAGE OF EXPANSIVE ADDITIVE AND SHRINKAGE REDUCING AGENT

2009 ◽  
Vol 74 (635) ◽  
pp. 1-10 ◽  
Author(s):  
Masahiro SUZUKI ◽  
Ippei MARUYAMA ◽  
Hirokazu NAKASE ◽  
Ryoichi SATO
Keyword(s):  
High Strength Concrete ◽  
High Strength ◽  
Reducing Agent ◽  
Concrete Column ◽  
Strength Concrete ◽  
Induced Stress ◽  
Expansive Additive ◽  
Shrinkage Reducing Agent

Experimental Research on Bearing Capacity of Concrete Columns with High Strength Concrete Core under Axial Compression Loading

2012 ◽  
Vol 479-481 ◽  
pp. 2041-2045
Author(s):  
Yue Qi
Keyword(s):  
Reinforced Concrete ◽  
Bearing Capacity ◽  
Axial Compression ◽  
High Strength Concrete ◽  
High Strength ◽  
Concrete Columns ◽  
Concrete Column ◽  
Reinforced Concrete Column ◽  
Concrete Core ◽  
Strength Concrete

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.

Study on Displacement Ductility Coefficient of Steel Reinforced High-Strength Concrete Column

2011 ◽  
Vol 368-373 ◽  
pp. 1097-1100
Author(s):  
Shan Suo Zheng ◽  
Huan Juan Lou ◽  
Xiao Fei Wang ◽  
Zhi Qiang Li
Keyword(s):  
High Strength Concrete ◽  
High Strength ◽  
Design Parameters ◽  
Concrete Column ◽  
Related Factors ◽  
Displacement Ductility ◽  
Strength Concrete ◽  
Theoretical Support ◽  
Multivariate Nonlinear Regression ◽  
Calculation Results

In order to study the displacement ductility coefficient of steel reinforced high-strength concrete column, 23 groups of components with various design parameters were tested and related factors that affect the displacement ductility coefficient of SRHSC column were presented in this paper. The proposed formula for calculating the displacement ductility coefficient of SRHSC column can be obtained from the multivariate nonlinear regression of test results by using SPSS. The calculation results agree well with the test conclusions, and it shown that the proposed formulas own high accurateness and can be objectively reflect the mechanical behavior of SRHSC column root. The research achievements will provide a theoretical support for the design of SRHSC column.

scholarly journals Experiment and Analysis on Early-Age Cracking of Reinforced High-Strength Concrete Column and Beam

1999 ◽  
Vol 10 (1) ◽  
pp. 51-63 ◽  
Author(s):  
Hiroshi Hashida ◽  
Yasuhiro Kuroda ◽  
Nobuyuki Yamazaki ◽  
Fuminori Tomosawa
Keyword(s):  
High Strength Concrete ◽  
High Strength ◽  
Early Age ◽  
Concrete Column ◽  
Strength Concrete
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