Retarders and their influence upon the properties of a cement stabilised soil

Paper by SUGIARTO MAVIN from ISCR 5th 1986 Aachen Germany

The engineering properties of a soil-cement mix are adversely influenced by any delay between mixing and compaction. This problem is more serious in hotter climates where the initial setting period is relatively short. As a consequence of this situation, the final product often fails to meet specification requirements. A laboratory test programme has been carried out which investigates the influence of a commercial retarder on the soil-cement mix. Variables studied in this programme include retarder content, time delay and curing period. Using data from this work and data from previous research, conclusions are drawn with respect to use of retarders. Guidelines are suggested as to the implementation of these conclusions in the field.

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