Yang, K;
Yang, C;
Basheer, PAM;
Long, AE;
Bai, Y;
Nanukuttan, S;
(2016)
Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete.
In:
Proceedings of the 5th International Conference on Durability of Concrete Structure.
Purdue University Press: Shenzhen, China.
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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.
| Type: | Proceedings paper |
|---|---|
| Title: | Effectiveness of vacuum saturation preconditioning regime for assessing water permeability of high performance concrete |
| Event: | 5th International Conference on Durability of Concrete Structure |
| Location: | Shenzhen, China |
| Dates: | 30 June 2016 - 01 July 2016 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.5703/1288284316108 |
| Publisher version: | http://dx.doi.org/10.1007/978-3-319-39929-4_1710.5... |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1523328 |
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