微生物岩土技术及其应用研究新进展微生物岩土技术及其应用研究新进展

Biogeotechnology mainly utilizes microorganisms that widely existed in natural environment, and the metabolic functions of these microorganisms will induce serials of bio-chemical reactions with other materials in the environment. The physical mechanical and engineering properties of geo-material would remediate after the biochemical process, and thus achieving the aims of environmental purification, soil remediation and foundation treatment, etc. As a new branch of geotechnical engineering, biogeotechnology has gradually become a popular trend, many researchers have carried out a lot of related researches in recent years. This paper summarizes the representative microorganisms, the biochemical reaction processes and the function mechanisms of the microorganisms involved in the field of bio-geotechnical engineering. Then, the related researches and its applications from the aspects of bio-soil improvement technology, bio-sealing technology and metal contaminated soil remediation technology are summarized and discussed. Through the collection and summary works on this topic, it is expected to promote more comprehensive and in-depth basic researches and contribute to more practical promotion and application of the bio-technology in geotechnical engineering.