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Abstract
Numerous steel pilings have been used as load-bearing foundations in soils, but there have been few studies on corrosion and corrosion prevention for such pilings. Therefore, tests have been carried out to study on these aspects of problems with special reference to a reclaimed land since a few years ago.This report includes data relating to the corrosion rate and the effect of cathodic protection of driven test piles, each having a diameter of 165.2mm and a length of 20m.The results of one-year tests indicated that the corrosion rate was about 0.1mm/yr, the protective current density required was about 15-20mA/m2 and the vertical potential distribution of the piles was almost uniform.The Norwegian Geonor's corrosion sounding apparatus was employed to measure the soil corrosivity. The result of the corrosion sounding was approximately equal to the corrosion rate of the test piles.Further tests are in progress.
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