Data processing: structural design – modeling – simulation – and em – Simulating nonelectrical device or system – Chemical
Reexamination Certificate
2005-10-25
2005-10-25
Broda, Esq., Samuel (Department: 2123)
Data processing: structural design, modeling, simulation, and em
Simulating nonelectrical device or system
Chemical
C703S002000, C703S006000, C702S022000, C106S640000, C106S713000, C106S772000
Reexamination Certificate
active
06959270
ABSTRACT:
The present invention relates to a computational tool that allows to evaluate the degradation of cement-based materials under various types of chemical attacks such as sulfates, chlorides, and plain water. It is based on the physical principles of ionic mass conservation and chemical equilibrium between a solution and different solid phases. The effect of the dissolution or the precipitation of solid phases on the transport coefficients is considered. A method for determining an ion concentration in solution of at least two ions capable of undergoing transport in a cement-based material under a chemical attack and a solid phase profile for at least one component of said cement-based material is provided. A method for determining a diffusion coefficient for each of at least two ions capable of undergoing transport in a cement-based material is also provided.
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Maltais Yannick
Marchand Jacques
Samson Eric
Broda, Esq. Samuel
Chabot Isabelle
Ogilvy Renault LLP
SIMCO Technologies Inc.
Universite Laval
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