Data supporting the paper: "Time-dependent failure probability analysis of high-piled wharves under combined vessel berthing impact load and corrosion"

Based on the recommended analytical approach for structural performance degradation considering the full process of reinforcement corrosion under chloride ions and stress, and by integrating an engineering prototype, the structural performance degradation patterns of high-piled wharves subjected to asynchronous chloride corrosion are obtained. These patterns include the degradation laws of RC mechanical properties, such as reinforcement corrosion ratio, reinforcement–concrete bond strength, reinforcement strength, and concrete strength, as well as the degradation laws of flexural stiffness for various components of high-piled wharf (detailed in Data 1). Secondly, considering the asynchronous corrosion and synergistic interaction among components such as beams, panels, and piles, a 3D finite element model of the overall high-piled wharf structure incorporating Drucker–Prager (D-P) soil–structure interaction, is developed based on the engineering prototype. Then the deterioration states in overall structural lateral deformation behavior are identified under the combined effects of asynchronous chloride corrosion and vessel berthing impact loads. In this finite element model, the reduction technique of elastic modulus is employed to equivalently reflect the deterioration of flexural stiffness in different components by decreasing the moduli of elasticity for both concrete and longitudinal bars. Moreover, the modeling process incorporates the deterioration of mechanical behavior such as the strength in tension and compression of the constituent materials, namely the reinforcing steel and concrete, along with the decrease in reinforcement ratio caused by corrosion-induced loss in both longitudinal and stirrup bars. Commencing from the start of the wharf’s service life, a representative analysis is conducted at five-year intervals, with additional time points corresponding to the corrosion initiation time ti and the structural failure time te for each component. In total, 21 degradation scenarios are established. Based on the validated finite element model, nonlinear analysis is conducted to derive the degradation patterns of lateral deformation performance including the absolute and self-lateral displacements (relative lateral displacements) for the high-piled wharf components under different vessel berthing impact loads at various service times, thereby determining the critical components that govern the overall structural system's failure in lateral bearing deformation under the combined effects of asynchronous chloride corrosion and vessel berthing impact loads. Moreover, the time-dependent deterioration of the ultimate flexural capacity of the overall wharf structure under these conditions are obtained (detailed in Data 2). Further considering the wharf as a series system, a time-dependent reliability framework is developed. By accounting for the time-dependent nature of both the vessel berthing impact load and the overall structural resistance, a failure model is established that reflects the deterioration of overall structural performance. Then, based on the deformation and bending limit state functions, and utilizing the PDS module of ANSYS, a combined MATLAB-APDL program is developed employing the Monte Carlo sampling technique. Finally, this framework is utilized to analyze the time-dependent pattern for the overall wharf structural failure probability at various stiffness deterioration states, under the combined effects of asynchronous chloride corrosion and vessel berthing impact loads (detailed in Data 3).