Abstract: Sheet piles below the dredged surface are regarded as straight piles acted on by the cross load.According to the Calculations of "Norm of the Pile Foundation" of the People's Republic of China and the harmonious conditions of the displacement of anchored points,the pull of the anchoring rod will be worked out.This brings the calculation of sheet piles in agreement with the standard specifications of pile foundation.The calculation is very simple by means of the coefficient tables in the end of this paper.