EXPERIMENTAL STUDY ON BOND BEHAVIOR'S DETERIORATION BETWEEN DEFORMED STEEL BAR AND CONCRETE AFTER FREEZING AND THAWING

Ji Xiaodong; Zhao Ning; Song Yupu

doi:10.13204/j.gyjz201001022

Volume 40 Issue 1

Dec. 2014

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Ji Xiaodong, Zhao Ning, Song Yupu. EXPERIMENTAL STUDY ON BOND BEHAVIOR'S DETERIORATION BETWEEN DEFORMED STEEL BAR AND CONCRETE AFTER FREEZING AND THAWING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(1): 87-91. doi: 10.13204/j.gyjz201001022

Citation:

Ji Xiaodong, Zhao Ning, Song Yupu. EXPERIMENTAL STUDY ON BOND BEHAVIOR'S DETERIORATION BETWEEN DEFORMED STEEL BAR AND CONCRETE AFTER FREEZING AND THAWING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(1): 87-91. doi: 10.13204/j.gyjz201001022

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EXPERIMENTAL STUDY ON BOND BEHAVIOR'S DETERIORATION BETWEEN DEFORMED STEEL BAR AND CONCRETE AFTER FREEZING AND THAWING

doi: 10.13204/j.gyjz201001022

1.
1. School of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China;
2.
2. Yellow River Engineering Consulting Co,Zhengzhou 450003,China;
3.
3. State Key Laboratory of Coastal and Offshore Engineering,Dalian University of Technology,Dalian 116024,China

Received Date: 2009-08-30
Publish Date: 2010-01-20

Abstract

Abstract

Frost damage appeared in concrete after freezing and thawing,its mass loss was increased,while ultrasonic velocity,compressive strength and splitting strength were decreased.With the increasing of freezing and thawing cycles,the bond strength between steel bar and concrete was decreased,and ultimate slippage at free end of the steel bar was increased.Based on the test results,the bond behavior was deteriorated after freezing and thawing,whose main reason was the decrease in concrete strength by damage of concrete due to freezing and thawing cycles.
- concrete,
- steel bar,
- bond behavior,
- freezing and thawing

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References(8)

References

李金玉,曹建国.水工混凝土耐久性的研究和应用[M].北京:中国电力出版社,2004.

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[4] 李金玉,曹建国.混凝土冻融破坏机理的研究[J].水利学报,1999(1):41-49.

[5] 于长江.冻融环境下普通混凝土的多轴破坏准则[D].大连:大连理工大学,2005.

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