Prefabricated assembled reservoirs have the advantages of reducing a large amount of on-site wet work,improving construction efficiency,and reducing environmental pollution.For prefabricated assembled res-ervoir,the wet joints can enhance the overall integrity of the tank structure.In this paper,using the nonlinear finite element software ABAQUS,eight types of U-bars overlapped wall panel joints and one type of integral cast-in-place joint were modeled to simulate pseudo-static seismic performance.The wet joint performance of U-bars was compared with different parameters,and the influence of U-bars lap length and concrete strength grade on the connection reliability was investigated.The results showed that the seismic performance of U-bars overlap wet joints was satisfied.Increasing the U-bars overlap length,the seismic performance of wet joints im-proved obviously.When the overlap length was no less than 18 times of the U-bars diameter,the seismic per-formance of U-bars wet joints was approximately equal to that of integral cast-in-place joints.However,increas-ing the concrete strength grade of the wet joints did not effectively improve the seismic performance of the model.
U-bars overlapping connectionSeismic performanceNonlinear finite element analysisLap lengthPrefabricated assembly
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