EFFECT OF ADMIXTURE AND AIR-ENTRAINING AGENT ON SALF-FROST SCALING RESISTANCE OF CONCRETE

Li Wenli; Zhang He; Li Zhonghua; Ba Hengjing

doi:10.13204/j.gyjz201006004

Volume 40 Issue 6

Dec. 2014

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Li Wenli, Zhang He, Li Zhonghua, Ba Hengjing. EFFECT OF ADMIXTURE AND AIR-ENTRAINING AGENT ON SALF-FROST SCALING RESISTANCE OF CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(6): 12-15. doi: 10.13204/j.gyjz201006004

Citation:

Li Wenli, Zhang He, Li Zhonghua, Ba Hengjing. EFFECT OF ADMIXTURE AND AIR-ENTRAINING AGENT ON SALF-FROST SCALING RESISTANCE OF CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(6): 12-15. doi: 10.13204/j.gyjz201006004

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EFFECT OF ADMIXTURE AND AIR-ENTRAINING AGENT ON SALF-FROST SCALING RESISTANCE OF CONCRETE

doi: 10.13204/j.gyjz201006004

1.
1. China University of Mining &Technology(Beijing),Beijing 100083,China;
2.
2. Department of Civil Engineering,Harbin Institute of Technology,Harbin 150006,China;
3.
3. College of Materials Science and Engineering,Hohai University,Nanjing 210098,China;
4.
4. Beijing City University,Beijing 100083,China

Received Date: 2010-03-12
Publish Date: 2010-06-20

Abstract

Abstract

Depending on the environment coupling of salts and freeze-thaw cycles，the test method of single-side saltfrost was selected and improvement of mineral admixture and air-entraining agent on salt-frost scaling resistance of concrete was researched. The results show that the scaled mass and the dynamic modulus of elasticity loss rate of the concret are reduced as compared with control concrete by adding mineral admixture and air entraining agent into concrete. The salt-frost scaling resistance of concrete is improved. The salt-frost scaling resistance of concrete mixed with ground slag is better than flyash concrete. Compared with the concrete of other proportion the salt-frost resistance of concrete with fly ash，silica fume and air-entraining agent is better. So the mineral admixture coupled technology is promoted in this more complex situation of salt and freeze-thaw cycles. After single-side salt-frost the scaled mass of the concret is more but the dynamic modulus of elasticity loss rate is less，so the damage of concrete mainly depends on the surface scaling.
- mineral admixture,
- deicing salt,
- scaled mass,
- dynamic modulus of elasticity

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References(8)

References

[2] 孙望超,颜承越. 粉煤灰形态效应及应用技术[J]. 房材与应用,1997(2) :35-36.

prENV 12390-9: Testing Hardened ConcretePart 9: Freeze-Thaw Resistance-Scaling[S].

[3] 牛季收,王保君. 粉煤灰在混凝土中的效应及应用[J]. 铁道建筑,2004(2) :74-77.

[4] 刘爱新. 粉煤灰混凝土的性能及其应用[J]. 混凝土,2001(12) :6-7.

[5] 原通鹏,邓德华,曾志,等. 矿物掺合料抗氯离子扩散性能的试验研究[J]. 混凝土,2005(11) :62-70.

[6] Leng Faguang,Feng Naiqian,Lu Xinying. An Experimental Study on the Properties of Resistance to Diffusion of Chloride Ions of Fly Ash and Blast Furnace Slag Concrete[J]. Cement and Concrete Research,2000,30:989-992.

[7] 钱觉时. 粉煤灰特性与粉煤灰混凝土[M]. 北京:科学出版社,2002:173-177.

[8] 谢友均,刘宝举,刘伟. 矿物掺合料对高性能混凝土抗氯离子渗透性能的影响[J]. 铁道科学与工程学报,2004 (2) :46-51.

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