Influence of parameters on surface resistivity of concrete

Ghosh, Pratanu; Tran, Quang

doi:10.1016/j.cemconcomp.2015.06.003

Cited by 57 publications

(26 citation statements)

References 6 publications

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“…Water tank 21 ± 3 W a t e r t a n k 7 [61] Lime-saturated water tank NR Lime-saturated water tank 1 [62] Lime-saturated water tank NR Lime-saturated water tank 730…”

Section: Measurement Methodsmentioning

confidence: 99%

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Electrical Resistivity of Concrete for Durability Evaluation: A Review

Azarsa

Gupta

2017

Advances in Materials Science and Engineering

229

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Degradation processes in reinforced concrete structures that affect durability are partially controlled by transport of aggressive ions through the concrete microstructure. Ions are charged and the ability of concrete to hold out against transfer of ions greatly relies on its electrical resistivity. Hence, a connection could be expected between electrical resistivity of concrete and the deterioration processes such as increase in permeability and corrosion of embedded steel. Through this paper, an extensive literature review has been done to address relationship between concrete electrical resistivity and its certain durability characteristics. These durability characteristics include chloride diffusivity and corrosion of reinforcement as these have major influence on concrete degradation process. Overall, there exists an inverse or direct proportional correlation between these parameters. Evaluated results, from measuring the concrete electrical resistivity, can also be used as a great indicator to identify early age characteristics of fresh concrete and for evaluation of its properties, determination of moisture content, connectivity of the micropores, and even condition assessment of in-service structures. This paper also reviews and assesses research concerning the influential parameters such as environmental conditions and presence of steel rebar and cracks on measuring electrical resistivity of concrete. Moreover, concrete resistivity concept, application, and its various measurement techniques are introduced.

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“…Water tank 21 ± 3 W a t e r t a n k 7 [61] Lime-saturated water tank NR Lime-saturated water tank 1 [62] Lime-saturated water tank NR Lime-saturated water tank 730…”

Section: Measurement Methodsmentioning

confidence: 99%

“…Studies performed by Ghosh and Tran [61,62] showed the correlation between bulk and surface resistivity for different groups of binary and ternary mixtures. It was observed that for most groups of mixtures, the coefficient of determination (…”

Section: Correlation Between Surface and Bulk Electrical Resistivitymentioning

confidence: 99%

Electrical Resistivity of Concrete for Durability Evaluation: A Review

Azarsa

Gupta

2017

Advances in Materials Science and Engineering

229

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“…several authors were examined the relationship between SR and BR [4,15,16]. Ghosh found the SR/BR ratio to be 2.6 on average for different mixtures [4], in another study measured between 2.13 and 3.45 [15]. This also, explains that different mixtures have an effect on the change in the SR/BR ratio.…”

Section: Introductionmentioning

confidence: 98%

“…In recent years, researches have been continuing on electrical conductive concretes (ECCs) with different usage areas. What is important about ECCs is research topics, materials used, mixture optimization, specimen geometry effects and different methods of measurement [2][3][4][5][6]. ECCs can be applied for the crack detection and strain sensing in construction elements [7] and can be used as an electromagnetic radiation reflector to protect the electromagnetic interference [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…However, since the concrete is a non-homogenous composite material, the specimen geometry, size and prop spacing are effective on the resistance value measured by this method [5]. several authors were examined the relationship between SR and BR [4,15,16]. Ghosh found the SR/BR ratio to be 2.6 on average for different mixtures [4], in another study measured between 2.13 and 3.45 [15].…”

Section: Introductionmentioning

confidence: 99%

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The relationship between resistances measured by two-probe, Wenner probe and C1760-12 ASTM methods in electrically conductive concretes

Dehghanpour

Yılmaz

2019

SN Appl. Sci.

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In recent years, the investigation of electrically conductive concrete between construction building materials has been one of the interesting subjects. Therefore, it is important to examine and compare electrical resistance measurement methods. In previous studies, the resistance of electrically conductive concretes was measured by different methods. In this study, it is aimed to measure the resistivity value by three different methods and compare them with each other. For this purpose, two-phase electrical conductive concretes with eight different mixes and additional control concrete were produced. Two different proportions of carbon fiber and four different ratios of recycled nanocarbon black were used in the mixtures. The electrical resistivity of the produced cylindrical specimens was measured by two-probe, Wenner probe and C1760-12 ASTM methods. According to the regression coefficients obtained in the results, the linear relationships between the resistivity values measured with all three methods were found to be appropriate. In addition, the nanocarbon black additive used significantly increased the conductivity of carbon fiber. Nanocarbon black and carbon fiber have also been useful in improving the compressive strength of electrically conductive concretes.

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