| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention is related to the field of construction materials and may be used in reinforcement of soils, in industrial and civil construction. Clay-phosphate material, which contains loamy soil, iron-containing waste of metallurgical production with residue on sieve No. 008 5-7%, containing Fe(II) oxide, orthophosphoric acid with density of 1.25 g/cm3, additionally contains argillaceous materials - burnt clays with residue on sieve No. 008 5Ç7% with the following composition, wt %: Fe2O3 - 6.67; CaO - 2.12; SiO2 - 65.04; CaO - 2.12; MgO - 1.83; Al2O3 - 18.38; including Al2O3 act. - 3.63; Na2O - 1.32; TiO2 - 0.82; K2O - 3.11; SO3 - 0.14, at the following ratio of components, wt %: loamy soil - 40 - 42, specified waste - 12 - 13, argillaceous rocks - burnt clays - 17 - 18, orthophosphoric acid with density of 1.25 g/cm3 - the rest. ^ EFFECT: slower setting of hardening materials based on phosphoric acid. ^ 1 ex, 1 tbl |
