METHOD OF VOIDS SEALING Russian patent published in 2003 - IPC

FIELD: construction engineering; filling of empty spaces in building structures of buildings and structures for restoration of flame travel and heat and sound insulation. SUBSTANCE: method includes preparation of sealing mixture containing filler and water glass and supply of mixture of voids. Filler is used in the form of material containing finely divided silicon which is preliminarily subjected to mechano-chemical activation in presence of alkali. Mechano-chemical activation is carried with the following ratio of components, mas.%: material containing finely divided silicon, 90.0-99.8; alkali, 0.2-10.0. Additional filler is introduced into sealing mixture. EFFECT: higher efficiency. 3 cl, 2 tbl, 5 ex