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permeability of concrete and correlation with

permeability of concrete and correlation with

Permeability of Concrete and Correlation with ...

2020-5-14  Results indicated that there are good correlations between water and gas permeability of concrete with different w/b ratios, with correlation coefficient greater than 0.90.

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(PDF) Permeability of Concrete and Correlation with ...

In addition, the micropore structure of concrete was determined by 1H nuclear magnetic resonance (NMR). Results indicated that there are good correlations between water and gas permeability of...

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Table 3 Permeability of Concrete and Correlation with ...

a A6: cement replacement FA, 20% by weight of 380 kg cement. b A7: cement replacement FA, 30% by weight of 380 kg cement. c A8: cement replacement SF, 5% by weight of 380 kg cement. d A9: 0.3% by volume of cement, which is 1.03 kg/m 3. e Fine aggregates (F): 100% m/m passing an 8 mm sieve, 96.5% m/m passing a 4 mm sieve. Coarse aggregates (C): 100% m/m passing a 40 mm sieve, 40%

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(PDF) Measurement of Permeability and the Correlation ...

Pervious concrete has been widely used in the fields of roads, buildings, water facilities as the material of drainage structure due to the excellent permeability. However, pervious concrete have...

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(PDF) CORRELATION PERMEABILITY/CARBONATION AND

The obtained data were analyzed to establish correlations to predict the oxygen permeability of non-carbonated concrete with concrete characteristics such as w/c ratio and compressive strength....

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Oxygen permeability of concrete and its relation to ...

2015-6-15  Using experimental data, oxygen permeability results are correlated with the carbonation coefficient as well as the carbon dioxide diffusion coefficient of concrete. This correlation enables prediction of time-dependent carbonation depths of concretes based on the environmental exposure, mix design and oxygen permeability of the concrete.

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On the correlation between permeability properties and ...

1975-7-1  CEMENT and CONCRETE RESEARCH. Vol. 5, pp. 321-328, 1975. Pergamon Press, Inc Printed in the United States. ON THE CORRELATION BETWEEN PERMEABILITY PROPERTIES AND STRENGTH OF CONCRETE S. E. Pihlajavaara and H. Paroll Technical Research Centre of Finland (VTT) Concrete Laboratory, Materials Section 02150 Otaniemi, Finland (Communicated by F. H.

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Correlation between porosity, permeability and ultrasonic ...

2006-4-1  Thus, concrete durability is strongly related to the quality of its cover, which corresponds to the first few centimeters of material below the surface of the structure. Porosity and permeability are widely recognized durability indices, since they quantify the resistance of the material against penetrating agents . Current on site absorption ...

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Correlation between compressive strength and certain ...

2009-10-1  According to the Concrete Society criteria, the water permeability of SF cement concrete changed from “low” to “moderate” due to an increase in the w/cm ratio from 0.35 to 0.50. The water permeability of FA cement concrete was “moderate” for all the

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(PDF) Evaluation of strength, permeability and void ratio ...

The compressive strength of pervious concrete is less than conventional concrete. The void ratio is to be found in range of 25% to 32%, which is sufficient for pervious concrete.

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Correlation between Permeability of Concrete and Threshold ...

2017-7-19  Good correlation was found even on samples prepared with overseas concrete material and core samples taken from existing structures overseas. The above results indicate that pore structure governs both air and water permeability of concrete and that threshold pore radius can be an indicator of the permeability of concrete.

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An exploratory study on correlating the permeability of ...

2015-5-5  Data pertaining to porosity, tortuosity and permeability of concrete were typically obtained by testing different concrete mixtures prepared with varying water/cement ratios, cement contents and coarse/fine aggregate ratios. The experimental data were used to explore the correlation between pore characteristics and permeability of concrete.

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Permeability of Concrete ― Comparison of Conductivity and ...

A new calibrated scale to categorize the equivalent RCP measured charge in coulombs to the chloride ion permeability of the concrete was developed. The proposed scale was based on the correlation of the 91-day RCP results related to the chloride permeability measured by a 364-day Bulk Diffusion test.

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Permeability of Concrete: A Study intended for the "In ...

2006-8-15  The considered standard signals for the classification of concrete in high, average and low permeability. From the presented results it was possible to present correlation curves with compressive strength, age and characteristic strength compression versus the passing water flow trough it. Keywords: permeability, ultrasound, concrete ...

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Permeability of concrete

PERMEABILITY AND WATERTIGHTNESS Ge n e ra l l y, the same pro p e rt i e s of concrete that make it less per-meable also make it more water-tight. The ove r all permeability of c o n c r ete to water is a function of the permeability of the paste (ce-ment and water), the perm e a b i l -

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Correlations between Depth of Water Penetration,

2011-4-6  coefficient and charge passed (i.e., chloride permeability). A correlation between the chloride diffusion coefficient and gas permeability of concrete was reported by Sugiyama et al. [15]. Equations relating the effective chloride diffusion coefficient with resistivity and permeability of concrete have been developed by Berke and Hicks [16].

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Isothermal water vapour permeability of concrete with ...

tent per m3 of concrete and hence to decrease the carbon footprint of concrete. Thus, the study of SCMs and their effect on WVP . is related to two main design features of concrete: durability and sustainability. This subject is covered in the literature to a very limited extent in compari-son with the well-documented effects of SCMs on

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Porosity-Permeability Correlation Research Papers ...

Currently, Hot Mix Asphalt (HMA) concrete permeability is determined in the laboratory using cylindrical samples of 4 in. and 6 in. diameters. Permeability is calculated based on the assumption that the flow paths are vertical by restricting any water flow laterally. But the number of vertical flow path depends on the sample size or diameter.

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The Correlation of Chloride Diffusion Coefficient and ...

2020-10-13  materials. There is a significant correlation between the chloride diffusion coefficient of indoor cured specimens and the concrete maturity value when expressed as a power function (R 2 = 0.976). In addition, the calculated values of concrete maturity for outdoor specimens, obtained using the power function, agree well with the measured values.

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An exploratory study on correlating the permeability of ...

2020-1-22  Data pertaining to porosity, tortuosity and permeability of concrete were typically obtained by testing different concrete mixtures prepared with varying water/cement ratios, cement contents and coarse/fine aggregate ratios. The experimental data were used to explore the correlation between pore characteristics and permeability of concrete.

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Permeability of Concrete ― Comparison of Conductivity and ...

A new calibrated scale to categorize the equivalent RCP measured charge in coulombs to the chloride ion permeability of the concrete was developed. The proposed scale was based on the correlation of the 91-day RCP results related to the chloride permeability measured by a 364-day Bulk Diffusion test.

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PERMEABILITY OF CONCRETE - Concrete Pipe Association

2018-4-22  Permeability related tests generally measure the penetration of deleterious substances into concrete. Permeability related performance measurements can also provide some indirect information as to the likely performance of concrete in terms of embedded steel corrosion after depassivation of steel has taken place and in the absence of cracking.

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Permeability of concrete

PERMEABILITY AND WATERTIGHTNESS Ge n e ra l l y, the same pro p e rt i e s of concrete that make it less per-meable also make it more water-tight. The ove r all permeability of c o n c r ete to water is a function of the permeability of the paste (ce-ment and water), the perm e a b i l -

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ISBN: 978-1-60595-367-0 Measurement of Permeability

1st International Conference on Transportation Infrastructure and Materials (ICTIM 2016) ISBN: 978-1-60595-367-0 Measurement of Permeability and the Correlation between Permeability and Strength of Pervious Concrete . Xinzhuang Cui1,2, Jiong Zhang2,*, Dan Huang2, Xiaonan Gong1, Zequn Liu2, Fei Hou, Sheqiang Cui2 . 1

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Permeability of Concrete: A Study intended for the "In ...

2006-8-15  The considered standard signals for the classification of concrete in high, average and low permeability. From the presented results it was possible to present correlation curves with compressive strength, age and characteristic strength compression versus the passing water flow trough it. Keywords: permeability, ultrasound, concrete ...

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The Rapid Chloride Permeability Test and Its Correlation ...

2018-11-1  The Rapid Chloride Permeability Test and Its Correlation to the 90-Day Chloride Ponding Test This paper reviews documents referenced by ASTM C1202, "Electrical Indication of Concrete's Ability to Resist Chloride /on Penetration," and ex-Donald W. Pfeifer, S.E. plores the correlation

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(PDF) PERMEABILITY OF CONCRETE – COMPARISON OF ...

PERMEABILITY OF CONCRETE – COMPARISON OF CONDUCTIVITY AND DIFFUSION METHODS Engineering and Industrial Experiment Station. Paul Kofoed. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.

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Research on the Correlation between Autoclam Permeability ...

By comparing the permeability test results between the autoclam method introduced by Queens University Belfast and the seepage method specified in China standard, it was found that water permeability index given by autoclam test had a better correlation with seepage value than air permeability index and water absorption index.

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Durability Assessment of Blended Concrete by Air Permeability

2018-3-27  Assessment of concrete cover quality is necessary for proper maintenance of concrete structures. Concrete durability is evaluated primarily based on chloride penetrability, neutralization and other external factors. The present study attempts to analyze concrete quality and its mass transfer resistance performance by measuring the air permeability and its relation with concrete durability ...

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