Yang, K, Yang, C, Long, A et al. (1 more author) (2018) Use of Two-Pressure-Head Method to Assess Water Permeability of Structural Concrete. Materials Journal, 115 (1). pp. 65-75. ISSN 0889-325X
Abstract
Determining the water permeability of concrete in structures remains a conundrum because of difficulties in removing the influences of moisture. This study describes the extended flow-net theory developed on the basis of the two-pressure-head concept, which provides a means of measuring permeability under the partially saturated condition. Surface-mounted tests and standard laboratory water penetration tests were carried out to verify this approach. Before determining the water permeability, steady-state flow rates at two different pressure levels were evaluated and the effects of initial moisture conditions on flow behavior were investigated. The results indicate that the proposed approach does offer a useful means of determining the water permeability of structural concrete, although it cannot be claimed to be universally applicable for all moisture conditions likely to be encountered in practice.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | This article is protected by copyright. All rights reserved. This is an author produced version of a paper published in the Materials Journal. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | extended flow-net theory; in-place water permeability; two-pressure-head test; unsaturated flow |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Civil Engineering (Leeds) > Institute for Resilient Infrastructure (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 23 Apr 2018 14:16 |
Last Modified: | 26 Apr 2018 04:29 |
Status: | Published |
Publisher: | American Concrete Institute |
Identification Number: | 10.14359/51700992 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:129928 |