Cracks and pores - their roles in the transmission of water confined in cementitious materials.

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dc.contributor.authorBordallo, HNen_AU
dc.contributor.authorAldridge, LPen_AU
dc.contributor.authorWuttke, Jen_AU
dc.contributor.authorFernando, Ken_AU
dc.contributor.authorBertram, WKen_AU
dc.contributor.authorPardo, LCen_AU
dc.date.accessioned2011-01-14T04:59:04Zen_AU
dc.date.available2011-01-14T04:59:04Zen_AU
dc.date.issued2010-10-01en_AU
dc.date.statistics2010-10-01en_AU
dc.description.abstractCement paste is formed through a process called hydration by combining water with a cementitious material. Concrete, the worlds most versatile and most widely used material, can then be obtained when aggregates (sand, gravel, crushed stone) are added to the paste. The quality of hardened concrete is greatly influenced by the water confined in the cementitious materials and how it is transmitted through cracks and pores. Here we demonstrate that the water transport in cracks and capillary pores of hardened cement pastes can be approximately modeled by simple equations. Our findings highlight the significance of arresting the development of cracks in cementitious materials used in repository barriers. We also show that neutron scattering is an advantageous technique for understanding how water transmission is effected by gel pore structures. Defining measurable differences in gel pores may hold a key to prediction of the reduction of water transport through cement barriers. © 2010, Springer.en_AU
dc.identifier.citationBordallo, H. N., Aldridge, L. P., Wuttke, J., Fernando, K., Bertram, W. K., & Pardo, L. C. (2010). Cracks and pores - their roles in the transmission of water confined in cementitious materials. The European Physical Journal - Special Topics, 189(1), 197-203. doi:10.1140/epjst/e2010-01323-yen_AU
dc.identifier.govdoc3113en_AU
dc.identifier.issn1951-6355en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleThe European Physical Journal - Special Topicsen_AU
dc.identifier.pagination197-203en_AU
dc.identifier.urihttp://dx.doi.org/10.1140/epjst/e2010-01323-yen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2917en_AU
dc.identifier.volume189en_AU
dc.language.isoenen_AU
dc.publisherSpringeren_AU
dc.subjectCementsen_AU
dc.subjectConcretesen_AU
dc.subjectWateren_AU
dc.subjectTransmissionen_AU
dc.subjectCracksen_AU
dc.subjectHydrationen_AU
dc.titleCracks and pores - their roles in the transmission of water confined in cementitious materials.en_AU
dc.typeJournal Articleen_AU
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