Predicting the performance of concrete structures exposed to aggressive chemical environments - Field validation

Title: Predicting the performance of concrete structures exposed to aggressive chemical environments - Field validation
Author(s): J. Marchand, E. Samson, Y. Maltais, R. J. Lee, S. Sahu
Paper category : journal
Serial title: Concrete Science and Engineering
Abreviated Serial title: Concr. Sc. Eng.
ISSN: 1295-2826
Publisher: RILEM Publications SARL
Volume: 4
Issue: 16
Issue date: 2002-12-01
Publication year: 2002
Pages: 623 - 631
Total Pages: 9
Nb references: 22
Language: English

Abstract: The behavior of two series of concrete slabs exposed
to sulfate-bearing soils was investigated by a numerical
model called STADIUM.In addition to the diffusion of
ions and moisture,the model also accounts for the
effects of dissolution/precipitation reactions on the
transport mechanisms.The simulations yielded by the
model were compared to the actual degradation of the
slabs after 8 years of exposure.The microstructural alter-
ations of concrete resulting from the penetration of mag-
nesium,chloride and sulfate ions were studied by
backscatter mode scanning electron microscope observa-
tions and energy-dispersive X-ray analyses.The compar-
ison of both series of data indicates that the model can
reliably predict the various features of the microstruc-
tural alterations of concrete.

Online publication: 2002-10-30
Classification: Scientific Reports
Publication type : full_text
Public price (Euros): 0.00