Method of hardening soil and hardened soil

摘要

A method for hardening soil and soil hardened with the method. The soil is mixed with cement and with a soil hardening agent including at least eight of the cations Ca++, Na-, Mg++, K+, NH4+, Ba++, Fe3+, Al3+, Mn4+, Co++ and Ti4+, at least two of the anions Cl-, SO4-- and PO43- and at least one organic acid.