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Ground Improvement Case Histories by Cholachat Rujikiatkamjorn, Jian Chu, Buddhima Indraratna

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Chapter 19

Use of Biogeotechnologies for Soil Improvement

Jian Chu1,2; Volodymyr Ivanov2; Jia He2; Maryam Maeimi2; Shifan Wu1    1 Iowa State University, USA2 Nanyang Technological University, Singapore

Abstract

In this chapter, the principles of microbial geotechnical-based soil improvement methods are explained. Studies on the establishment of different applications of three biogeotechnological methods for soil improvement are presented. These include the biogas desaturation method for mitigation of soil liquefaction, which may become the most cost-effective method for the reduction of liquefaction risks; the biocrust method for the construction of temporary water storage pond in sandy soil; the biogrouting method for the protection of levees ...

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