Evaluation of Corrosion Characteristics of Stainless-Steel Sheet Piles in Agricultural Drainage Canals by Exposure Tests

Abstract

Steel sheet pile revetments have been widely used in agricultural canals in the low flatland areas with drainage fields. In service facilities, used for over 40 years, partial repair work is not feasible due to overall corrosion. A newly renewal method with long service life and decrease life-cycle cost is required. By the authors, the stainless-steel sheet pile is proposed, which has viewpoint of corrosion resistant and economical. In this study, detection of corrosion characteristics of made stainless-steel in an agricultural drainage field by coupon tests. Thus, the results of characteristics of stainless-steel in actual environments, the corrosion properties of the developed material are improved compared to conventional steel sheet pile materials. The stainless-steel material can be selected according to the service period by converting the corrosion allowance used in the design of steel sheet piles to cost.