GROUTING MATERIALS AND THEIR USE

摘要

PCT No. PCT/GB94/01861 Sec. 371 Date Oct. 11, 1995 Sec. 102(e) Date Oct. 11, 1995 PCT Filed Aug. 25, 1994 PCT Pub. No. WO95/07887 PCT Pub. Date Mar. 23, 1995A grouting material which is self-dispersing when brought into contact with a volume of water containing liquor or slurry and is settable to a solid mass after such dispersion, the material being in the form of self-dispersing granules or pellets and comprising a blend of component (A): a cementive constituent forming from 10 per cent to 95 per cent by weight of the composition; component (B): a dispersing constituent forming from 2 per cent to 75 per cent by weight of the composition; optional component (C): a swelling constituent which forms from 0 per cent to 50 per cent by weight of the composition; and component (D): a binder constituent which forms from 0.1 per cent to 10 per cent by weight of the composition; the percentages of components A, B, C and D adding to 100 per cent.