HARDENING PROPERTY OF GRANULATED BLAST FURNACE SLAG AND ITS APPLICATION TO SOIL IMPROVEMENT

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  • 高炉水砕スラグの硬化特性と地盤改良工法への適用

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Since GBFS (Granulated Blast Furnace Slag) has hydraulic properties, the control of the property is one of the most important problems for the effective usage in the ground improvement. In this paper, authors verified the factors which affect the hardening property, by the laboratory and field tests. As a result, it is observed that the number of contact points of particles correlates with the unconfined shear strength, and when applying GBFS to the SCP-method the shear strength increased and the permeability decreased remarkably after 3 months by particle crushing due to the compaction.

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