Patent ID: 9447555
Filing Date: 2016-09-20
CPC Classification: E02D

Claim Text:
1. A method of soil stabilization comprising the steps of: forming a mixture by mixing a geopolymer material with an alkaline activator in a ratio in a range from 0.5:1 to 1:3 by weight, wherein the geopolymer material is fly ash, kaolin, metakaolin, palm ash, volcanic ash or any combination thereof; wherein the alkaline activator comprises sodium silicate and sodium hydroxide in a ratio from 1:2 to 1:3 by weight, the sodium hydroxide having a concentration in a range of 6 M to 16 M; and adding 5 to 30 wt % of the mixture to a soil with a compressive strength of approximately 3 MPa to form a chemical-resistant stabilized soil with a compressive strength of approximately 14 MPa for construction.