Abstract

Methods are described for the development of possible applications and predictability of ground freezing technology. A tendency to study only its short term cost compared to grouting neglects the possible benefits of improved control of ground stabilisation for safer working conditions. For such applications the ground freezing system must be designed just as in other civil engineering construction projects. As computer simulation and similar techniques are still in the early stages of development, correct ground freezing procedures still generally depend on experience. The article presents brief descriptions of a number of worldwide ground freezing projects. Of the many factors to be determined by site investigation, groundwater flow is important as it may distort ice-wall growth or prevent its formation. As force interactions within the frozen soil structure are complex several methods of analysis have been adapted particularly the finite element method now widely used. (TRRL)

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