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@ARTICLE{Bordallo:11789,
author = {Bordallo, H.N. and Aldridge, L.P. and Wuttke, J. and
Fernando, K. and Bertram, W.K. and Pardo, L.C.},
title = {{C}racks and {P}ores - {T}heir {R}oles in the
{T}ransmission of {W}ater {C}onfined in {C}ementious
{M}aterials},
journal = {European physical journal special topics},
volume = {189},
issn = {1951-6401},
address = {Berlin},
publisher = {Springer},
reportid = {PreJuSER-11789},
pages = {197 - 203},
year = {2010},
note = {Work was done using the JCNS facilities at FRMII. We thank
Kevin Harder and John Warmeant for technical support. We are
also grateful to Michael Prager for the inspiration he gave
to this work. LPA financial support was granted by D.H.
Aldridge and the Access to Major Research Facilities
Programme, part of the International Science Linkages
Programme, Australian Government's innovation statement,
Backing Australia's Ability.},
abstract = {Cement 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.},
keywords = {J (WoSType)},
cin = {IFF-4 / IFF-5 / Jülich Centre for Neutron Science JCNS
(JCNS) ; JCNS},
ddc = {530},
cid = {I:(DE-Juel1)VDB784 / I:(DE-Juel1)VDB785 /
I:(DE-Juel1)JCNS-20121112},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung / Großgeräte für die Forschung
mit Photonen, Neutronen und Ionen (PNI)},
pid = {G:(DE-Juel1)FUEK505 / G:(DE-Juel1)FUEK415},
experiment = {EXP:(DE-MLZ)SPHERES-20140101},
shelfmark = {Physics, Multidisciplinary},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000284101100018},
doi = {10.1140/epjst/e2010-01323-y},
url = {https://juser.fz-juelich.de/record/11789},
}