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Steel sheet piles are widely used to support the excavation in urban areas. Many single sheet piles through interlocks to generate steel sheet pile wall as shown in Fig. 1 (a). Normally, the installation method for the steel sheet pile is vibratory driving, which is a straightforward technique and usually used in the supporting projects [1, 2]. Comparing with the installation of the steel sheet pile, however, its design is much more difficult.(a) Schematic of the steel sheet pile (b) Displacement-load curve of the steel sheet pile Fig. 1 Design framework of the steel sheet pile (a) The relationship between the earth pressure and the lateral deflection of the sheet pile (b) The relationship between the shaft resistance and the vertical deflection of the sheet pile