THE TIME-DEPENDENT CHLORIDE PERMEABILITY OF BLENDED CONCRETE

Hu Yanjun

doi:10.13204/j.gyjz200612003

Volume 36 Issue 12

Dec. 2014

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Abstract

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Hu Yanjun, . THE TIME-DEPENDENT CHLORIDE PERMEABILITY OF BLENDED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(12): 9-11,8. doi: 10.13204/j.gyjz200612003

Citation:

Hu Yanjun, . THE TIME-DEPENDENT CHLORIDE PERMEABILITY OF BLENDED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(12): 9-11,8. doi: 10.13204/j.gyjz200612003

Hu Yanjun, . THE TIME-DEPENDENT CHLORIDE PERMEABILITY OF BLENDED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(12): 9-11,8. doi: 10.13204/j.gyjz200612003

Citation:

Hu Yanjun, . THE TIME-DEPENDENT CHLORIDE PERMEABILITY OF BLENDED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(12): 9-11,8. doi: 10.13204/j.gyjz200612003

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THE TIME-DEPENDENT CHLORIDE PERMEABILITY OF BLENDED CONCRETE

doi: 10.13204/j.gyjz200612003

Hu Yanjun¹,

1.
1 Material Science and Engineering Institute,Hebei Science and Technology University Shijiazhuang 050054;
2.
2 Hebei Province Institution of Product Quality Supervision and Inspection Shijiazhuang 050002

Received Date: 2006-03-10
Publish Date: 2006-12-20

Abstract

Abstract

An electrical conductivity method is employed to estimate the temporal dependence of the chloride permeability of blended concretes(fly ash,ground granulated blast-furnace slag,silica fume).The results show that a power law function is suited to describe the relationship between conductance and time after 180 days' curing,and the function parameters are mathematically fitted.Mineral admixtures can remarkably improve the concrete electrical resistance.The water to binder ratio(W/B) has also great influence on the concrete resistance to chloride penetration,the higher the W/B,the lower permeability of the concrete to chloride.
- blended concrete,
- chloride,
- conductance,
- permeability,
- curing time

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References(10)

References

ASTM C1202-94 Standard Test Method for Electrical Indication of Concrete Ability to Resist Chloride Ion Penetration

[2] DL/T 5150-2001 水工混凝土试验规程

[3] Tang Luping,Lars-Olof Nilsson.Rapid Determination of the Chloride Diffusivity in Concrete by Applying an Electrical Field.ACI MaterialsJournal,1992,89 (1):49-53

[4] 路新瀛.混凝土渗透性电测方法评述.混凝土与水泥制品,2003(4):7-9

[5] Baforth P B.The Deviation of Input Data for Modeling Chloride Ingress from Eight-Year UK Coastal Exposure Trials.Magazine of Concrete Research,1999,51(2):87-96

[6] Mangat P S,Molloy B T.Prediction of Long Term Chloride Concentration in Concrete.Materials and Structures,1994,27:338-346

[7] Dhir R K,Jones M R.Prediction of Total Chloride Content Profile and Concentration/Time-Dependent Diffusion Coefficients for Concrete.Magazine of Concrete Research,1998,5 (1):37-48

[8] Abo EI-Eneln S A,Kothata M F,Hanna G B,et al.Electrical Conductivity of Concrete Containing Silica Fume.Cement and Concrete Research,1995,25(8):1615-1620

[9] Rolf F Feldman.Investigation of the Rapid Chloride Permeability Test.ACI Materials Journal,1994,92(2):246-255

[10] Dale P,Bentz,Feng X,Hooton R D.Time-Dependent Diffusivities:Possible Misinterpretation due to Spatial Dependence//Second International RILEN Workshop on Testing and Modelling the Chloride Ingress into Concrete,Paris:2000

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