Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete

Kai Yang; Changhui Yang; Muhammed Basheer; Adrian Long; Sreejith Nanukuttan; Yun Bai

Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete

Kai Yang, Changhui Yang, Muhammed Basheer, Adrian Long, Sreejith Nanukuttan, Yun Bai

Queen's University Belfast

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Saturating high performance concrete (HPC) for assessing water permeability is a challenge. This paper reports a testing program established to determine the reliability and efficiency of an in situ preconditioning regime, the vacuum saturation, for the water permeability test. The vacuum saturation regime was examined through changing the parameters used and to justify if the field conditioning regime is able to yield similar results as in the laboratory, the results after vacuum saturation were statistically analysed and compared with that after incremental immersion. Its accuracy was further examined by additional experiments, whereas factors considered include different concrete mixes and different initial moisture conditions. The results suggest that the proposed method can eliminate the influence of moisture for different HPCs under the high initial moisture content. It is not effective, when the initial moisture content is low.

Original language	English
Title of host publication	Proceedings of the 5th International Conference on the Durability of Concrete Structures
Publisher	Purdue University Press
Pages	35-41
Number of pages	7
ISBN (Print)	978-1-62671-065-8
Publication status	Published - 20 Jun 2016
Event	5th International Conference on Durability of Concrete Structures, ICDCS 2016 - Shenzhen, Guangdong Province, China Duration: 30 Jun 2016 → 01 Jul 2016

Conference

Conference	5th International Conference on Durability of Concrete Structures, ICDCS 2016
Country	China
City	Shenzhen, Guangdong Province
Period	30/06/2016 → 01/07/2016

ASJC Scopus subject areas

Building and Construction
Mechanics of Materials
Safety, Risk, Reliability and Quality
Materials Science(all)

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Link to publication in Scopus

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Yang, K., Yang, C., Basheer, M., Long, A., Nanukuttan, S., & Bai, Y. (2016). Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete. In Proceedings of the 5th International Conference on the Durability of Concrete Structures (pp. 35-41). Purdue University Press.

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title = "Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete",

abstract = "Saturating high performance concrete (HPC) for assessing water permeability is a challenge. This paper reports a testing program established to determine the reliability and efficiency of an in situ preconditioning regime, the vacuum saturation, for the water permeability test. The vacuum saturation regime was examined through changing the parameters used and to justify if the field conditioning regime is able to yield similar results as in the laboratory, the results after vacuum saturation were statistically analysed and compared with that after incremental immersion. Its accuracy was further examined by additional experiments, whereas factors considered include different concrete mixes and different initial moisture conditions. The results suggest that the proposed method can eliminate the influence of moisture for different HPCs under the high initial moisture content. It is not effective, when the initial moisture content is low.",

author = "Kai Yang and Changhui Yang and Muhammed Basheer and Adrian Long and Sreejith Nanukuttan and Yun Bai",

year = "2016",

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booktitle = "Proceedings of the 5th International Conference on the Durability of Concrete Structures",

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note = "5th International Conference on Durability of Concrete Structures, ICDCS 2016 ; Conference date: 30-06-2016 Through 01-07-2016",

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Yang, K, Yang, C, Basheer, M, Long, A, Nanukuttan, S & Bai, Y 2016, Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete. in Proceedings of the 5th International Conference on the Durability of Concrete Structures. Purdue University Press, pp. 35-41, 5th International Conference on Durability of Concrete Structures, ICDCS 2016, Shenzhen, Guangdong Province, China, 30/06/2016.

Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete. / Yang, Kai; Yang, Changhui; Basheer, Muhammed; Long, Adrian; Nanukuttan, Sreejith; Bai, Yun.

Proceedings of the 5th International Conference on the Durability of Concrete Structures. Purdue University Press, 2016. p. 35-41.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete

AU - Yang, Kai

AU - Yang, Changhui

AU - Basheer, Muhammed

AU - Long, Adrian

AU - Nanukuttan, Sreejith

AU - Bai, Yun

PY - 2016/6/20

Y1 - 2016/6/20

N2 - Saturating high performance concrete (HPC) for assessing water permeability is a challenge. This paper reports a testing program established to determine the reliability and efficiency of an in situ preconditioning regime, the vacuum saturation, for the water permeability test. The vacuum saturation regime was examined through changing the parameters used and to justify if the field conditioning regime is able to yield similar results as in the laboratory, the results after vacuum saturation were statistically analysed and compared with that after incremental immersion. Its accuracy was further examined by additional experiments, whereas factors considered include different concrete mixes and different initial moisture conditions. The results suggest that the proposed method can eliminate the influence of moisture for different HPCs under the high initial moisture content. It is not effective, when the initial moisture content is low.

AB - Saturating high performance concrete (HPC) for assessing water permeability is a challenge. This paper reports a testing program established to determine the reliability and efficiency of an in situ preconditioning regime, the vacuum saturation, for the water permeability test. The vacuum saturation regime was examined through changing the parameters used and to justify if the field conditioning regime is able to yield similar results as in the laboratory, the results after vacuum saturation were statistically analysed and compared with that after incremental immersion. Its accuracy was further examined by additional experiments, whereas factors considered include different concrete mixes and different initial moisture conditions. The results suggest that the proposed method can eliminate the influence of moisture for different HPCs under the high initial moisture content. It is not effective, when the initial moisture content is low.

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