A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Chemical injection remedial treatments for rising damp—I. The interaction of damp-proofing fluids with porous building materials
Abstract In this paper some factors affecting the interaction of damp-proofing fluids with porous media are discussed. Experimental procedures are described which enable post-treatment redistribution to be assessed and curing times to be estimated. Two types of damp-proofing fluid have been investigated, one was an aqueous solution of sodium methyl siliconate and the other an organic solvent solution of polyoxo-aluminium stearate. Neither fluid showed significant redistribution after imbibition. For both types of fluid curing was found to be sufficiently rapid so that any movement of uncured fluid by rising damp would be insignificant. In terms of site practice it is concluded that for the types of fluid investigated injection or infusion must be continued for long enough at each injection point for a continuous band of treated masonry to be formed at dpc level by the time injection ceases. Neither capillary forces nor post-injection redistribution will significantly extend the volume of mansonry treated with repellent.
Chemical injection remedial treatments for rising damp—I. The interaction of damp-proofing fluids with porous building materials
Abstract In this paper some factors affecting the interaction of damp-proofing fluids with porous media are discussed. Experimental procedures are described which enable post-treatment redistribution to be assessed and curing times to be estimated. Two types of damp-proofing fluid have been investigated, one was an aqueous solution of sodium methyl siliconate and the other an organic solvent solution of polyoxo-aluminium stearate. Neither fluid showed significant redistribution after imbibition. For both types of fluid curing was found to be sufficiently rapid so that any movement of uncured fluid by rising damp would be insignificant. In terms of site practice it is concluded that for the types of fluid investigated injection or infusion must be continued for long enough at each injection point for a continuous band of treated masonry to be formed at dpc level by the time injection ceases. Neither capillary forces nor post-injection redistribution will significantly extend the volume of mansonry treated with repellent.
Chemical injection remedial treatments for rising damp—I. The interaction of damp-proofing fluids with porous building materials
I'Anson, S.J. (author) / Hoff, W.D. (author)
Building and Environment ; 23 ; 171-178
1988-01-01
8 pages
Article (Journal)
Electronic Resource
English
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