In repairing project of the old earth dam, the standard penetration test (SPT)is carried out to investigate a geotechnical condition of the embankment at the design process. However, mostly there is not enough geotechnical investigation by SPT to investigate the embankment condition in detail comparing with the new project of the earth dam. This paper represents the applicability of small dynamic penetration test(Mini-Ram Sounding, mRS)as a complementary investigation of SPT to investigate the

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... ld earth dam embankment. The system of mRS is a small, light-weight, and cost-effective site investigation technique to provide the geotechnical information obtaining a strong correlation with the results of SPT. It was confirmed that there are a good relationship between NmRS values obtained from mRS and N SPT values from SPT.