An analytical study on the water penetration and diffusion into concrete under water pressure

Because concrete is a type of porous material, water or air can permeate freely into the concrete and that decreases the durability of concrete. Therefore, it is possible to permeate some corrosion inhibitors from the surface of concrete to inside the concrete due to its porosity even the steel-fram...

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Main Authors: Yoo, J., Lee, H., Ismail, Mohamed
Format: Journal Article
Published: Elsevier BV 2011
Online Access:http://hdl.handle.net/20.500.11937/61698
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author Yoo, J.
Lee, H.
Ismail, Mohamed
author_facet Yoo, J.
Lee, H.
Ismail, Mohamed
author_sort Yoo, J.
building Curtin Institutional Repository
collection Online Access
description Because concrete is a type of porous material, water or air can permeate freely into the concrete and that decreases the durability of concrete. Therefore, it is possible to permeate some corrosion inhibitors from the surface of concrete to inside the concrete due to its porosity even the steel-frame location by applying water pressure. The objective of this study is to investigate the depth of the water penetration in concrete forced under pressure. For achieving this purpose, the experiments for the depth of penetration were executed through selecting related factors and levels, such as water pressure and water pressurizing time. The water flow in concrete was examined theoretically and experimentally. As a result, in the case of the low water pressure approximately at 0.15 MPa or less, it was found that the flow showed a Darcy seepage flow and the same flow as an ordinary sand stratum. However, in the case of the high water pressure, the flow was diffused as a seepage flow that is accompanied by an internal deformation of concrete. This study attempts to develop a method that penetrates corrosion inhibitors to the location of steel bars and investigate the penetration depth of corrosion inhibitors by verifying water penetration in concrete under applied pressure. © 2010 Elsevier Ltd. All rights reserved.
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spelling curtin-20.500.11937-616982018-02-01T05:57:06Z An analytical study on the water penetration and diffusion into concrete under water pressure Yoo, J. Lee, H. Ismail, Mohamed Because concrete is a type of porous material, water or air can permeate freely into the concrete and that decreases the durability of concrete. Therefore, it is possible to permeate some corrosion inhibitors from the surface of concrete to inside the concrete due to its porosity even the steel-frame location by applying water pressure. The objective of this study is to investigate the depth of the water penetration in concrete forced under pressure. For achieving this purpose, the experiments for the depth of penetration were executed through selecting related factors and levels, such as water pressure and water pressurizing time. The water flow in concrete was examined theoretically and experimentally. As a result, in the case of the low water pressure approximately at 0.15 MPa or less, it was found that the flow showed a Darcy seepage flow and the same flow as an ordinary sand stratum. However, in the case of the high water pressure, the flow was diffused as a seepage flow that is accompanied by an internal deformation of concrete. This study attempts to develop a method that penetrates corrosion inhibitors to the location of steel bars and investigate the penetration depth of corrosion inhibitors by verifying water penetration in concrete under applied pressure. © 2010 Elsevier Ltd. All rights reserved. 2011 Journal Article http://hdl.handle.net/20.500.11937/61698 10.1016/j.conbuildmat.2010.06.052 Elsevier BV restricted
spellingShingle Yoo, J.
Lee, H.
Ismail, Mohamed
An analytical study on the water penetration and diffusion into concrete under water pressure
title An analytical study on the water penetration and diffusion into concrete under water pressure
title_full An analytical study on the water penetration and diffusion into concrete under water pressure
title_fullStr An analytical study on the water penetration and diffusion into concrete under water pressure
title_full_unstemmed An analytical study on the water penetration and diffusion into concrete under water pressure
title_short An analytical study on the water penetration and diffusion into concrete under water pressure
title_sort analytical study on the water penetration and diffusion into concrete under water pressure
url http://hdl.handle.net/20.500.11937/61698