Abstract
In this paper, jet grouting technology is briefly introduced and the recent development of jet-grouting methods for the infrastructure construction in Shanghai are presented. Recent research activities include theoretical modeling of the diameter of a jet-grouted column and a case history of the practice of the Rodin Jet Pile (RJP) method. A generalized approach for predicting the diameter of a jet-grouted column is introduced and used to analyze the measured diameters of RJP jet grouted columns. It was shown that jet-grouted columns formed by the RJP method are larger than that using the conventional triple fluid system by about 36% on average.
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