Practical evaluation of relationship between concrete resistivity, water penetration, rapid chloride penetration and compressive strength

Ramezanianpour, Ali Akbar; Pilvar, Amirreza; Mahdikhani, Mahdi; Moodi, Faramarz

doi:10.1016/j.conbuildmat.2010.11.069

Cited by 227 publications

(89 citation statements)

References 13 publications

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“…Specifically two series of experiments were performed: (1) mortar with varying degrees of saturation and (2) mortar containing varying concentrations of deicing salt solutions (made using sodium chloride, NaCl). As expected, the resistivity increased as the degree of saturation was reduced due to the reduction in the volume of the conductive medium and increase in tortuosity (Rajabipour, 2006). As expected, a decrease in resistivity was observed as the concentration of NaCl increased due to the increased ionic concentration which facilitates electrical conduction.…”

Section: Discussionsupporting

confidence: 52%

“…Since its original use by Shimizu in the 1920's (Shimizu, 1928), many researchers have sought to use electrical measurements to describe hydration (Curran & McCarter, 1984;Osterminski, Polder, & Schießl, 2012;Sohn & Mason, 1998;Van Beek & Hilhorst, 1999;Wei & Xiao, 2014), transport properties (Ramezanianpour, Pilvar, Mahdikhani, & Moodi, 2011;Tang, Nilsson, & Basheer, 2011), or cracking (Chung, 2003;Niemuth, 2004;Peled, Torrents, Mason, Shah, & Garboczi, 2001;Pour-Ghaz, Niemuth, & Weiss, 2013;Taillet, Lataste, Rivard, & Denis, 2014;Wiwattanachang & Giao, 2011). Electrical testing has many advantages due to the low cost of testing equipment and short time duration that is needed to perform the test.…”

Section: Use Of Electrical Resistivity To Assess Freeze-thaw Damagementioning

confidence: 99%

“…During freezing, the concentration of the pore solution also varies (as ice forms the pore solution becomes more concentrated following the liquidus line) and this can change the electrical response of the pore solution, that is, r o . The changes in the volume of the pore solution, the connectivity of the pore structure, and the concentration of ions in pore solution can change the electrical response of the mortar samples (see Equation 5.6) (Rajabipour, 2006).…”

Section: Detection Of Phase Changes Using Eis and Thermal Analysismentioning

confidence: 99%

See 2 more Smart Citations

Early Detection of Joint Distress in Portland Cement Concrete Pavements

Harris¹,

Farnam²,

Spragg³

et al. 2015

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The Joint Transportation Research Program serves as a vehicle for INDOT collaboration with higher education institutions and industry in Indiana to facilitate innovation that results in continuous improvement in the planning, design, construction, operation, management and economic efficiency of the Indiana transportation infrastructure. https://engineering.purdue.edu/JTRP/index_html AbstractINDOT (as well as several surrounding states) have observed that certain concrete pavements may show a susceptibility to joint deterioration. Unfortunately, by the time that this joint deterioration is observed it is often too late and costly partial depth repairs are needed. The deterioration is generally occurring in the joint behind the backer rod and joint sealant; as such, it is difficult to detect even if one is standing directly above the joint. This project investigated the use of electrical resistivity and ground penetrating radar as two techniques to detect premature joint deterioration. The thought process was that if the joint deterioration is determined at an early stage, low cost corrective actions can be taken to extend the life of the concrete. The electrical response was measured for mortars subjected to a temperature cycle from 23 °C to -35 °C, with varying degrees of saturation, and varying salt concentrations. The resistivity increased as the degree of saturation was reduced due to the reduction in the volume of the conductive medium and increase in tortuosity. Changes in resistivity were detected when cracking occurred in the sample. The magnitude of these changes was similar to that detected using changes in the ultrasonic wave speed. Ground penetrating radar (GPR) was used effectively to detect fluid accumulation in the saw-cut joint behind the joint sealant. The typical GPR waveforms are however difficult and time consuming to interpret. A signal processing approach called, referred to as the CID, was used to obtain a single number that reflects the potential for fluid in the joint. Scalar waveform features and the computed CID can be used to estimate which joints may contain fluid thereby providing insights into which joint sealant sections may need to be repaired or when a sufficient number of joints may contain fluid suggesting a larger joint maintenance effort be performed to seal the joints or the concrete.17.

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Section: Discussionsupporting

confidence: 52%

Section: Use Of Electrical Resistivity To Assess Freeze-thaw Damagementioning

confidence: 99%

Section: Detection Of Phase Changes Using Eis and Thermal Analysismentioning

confidence: 99%

See 1 more Smart Citation

Early Detection of Joint Distress in Portland Cement Concrete Pavements

Harris¹,

Farnam²,

Spragg³

et al. 2015

View full text Add to dashboard Cite

show abstract

“…With the increasing volume concentration percentages of PAN fibers, the electric flux of PAN fiber reinforced concrete was decreased and reached to a minimum value for 1.0 vol.% PAN fibers reinforced concrete sample, then started to increase. The added PAN fiber improved the pore parameters and concentrated the matrix, which finally improved the chloride penetration resistance performance of PAN fiber reinforced concrete specimens 21,22 . Moreover, Tuan et al 23 found the results of electrical resistivity, chloride ion penetration and ultrasonic pulse velocity tests confirmed that HSFR-SCC had enough endurance against deterioration, lower chloride ion penetrability and minimum reinforcement corrosion rate.…”

Section: Chloride Penetration Resistance Performancementioning

confidence: 99%

Mechanical and Durability Performance of Polyacrylonitrile Fiber Reinforced Concrete

Fan

2015

Mat. Res.

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“…Ferreira and Jalali [18] observed a linear relationship between electrical resistivity and compressive strength for the concrete samples prepared by an ordinary Portland cement and a fly ash cement, because the variation of compressive strength and electrical resistivity depended on the pore structure and the sample geometry change caused by cement hydration. Ramezanianpour et al [19] prepared 57 concrete mixtures by Portland cement with some supplementary materials including Tuff, Pumice, rice husk ash, metakaolin and Silica fume. Interestingly, the compressive strength and resistivity of concrete mixtures prepared with different cementitious materials presented no sensible correlation, because the interfacial transition zone (ITZ) only affected the compressive strength but had no obvious influence on the resistivity of concrete, whereas the chemical composition of the pore solution played an important role in resistivity but had little effect on the compressive strength of concrete.…”

Section: Introduction C Ement Paste Backfilling (Cpb) For Coal Min-mentioning

confidence: 99%

Effects of Fly Ash Content on Properties of Cement Paste Backfilling

Qi¹,

Feng²,

Zhāng³

et al. 2015

JRST

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ABSTRACT:Fly ash has been considered as an ideal raw material component of cement paste backfilling (CPB) due to its good pozzolanic activity. In this study, the effects of fly ash content (340-420 kg/m 3 ) on the compressive strength, resistivity and microscopic characteristics of CPB were investigated. The results indicated that at the early curing age, the resistivity decreased with increasing fly ash content, while the compressive strength did not vary significantly; at the curing times of 7 d, 14 d and 28 d, the compressive strength exhibited an increasing trend because of the higher content of reaction products and the compaction of pore structure, and the resistivity also increased due to the decreased ionic concentrations of pore solution and the greater resistance to transporting current through the pore network system. Apparently, there existed a linear relationship between the compressive strength and the resistivity of CPB samples.

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Practical evaluation of relationship between concrete resistivity, water penetration, rapid chloride penetration and compressive strength

Cited by 227 publications

References 13 publications

Early Detection of Joint Distress in Portland Cement Concrete Pavements

Early Detection of Joint Distress in Portland Cement Concrete Pavements

Mechanical and Durability Performance of Polyacrylonitrile Fiber Reinforced Concrete

Effects of Fly Ash Content on Properties of Cement Paste Backfilling

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