A short review of ratcheting effect in pressurized piping.

Ratcheting effect refers to the cyclic accumulation of plastic strain under alternating load, is one of the reasons leading to the failure of mechanical structures. The concept of structural ratchet was first put forward in 1996, in which the ratcheting effect of pressurized piping belongs to a kind of structural ratchet. In this paper, the related research on ratcheting effect of pressurized piping structure in recent years is reviewed, including the experimental research and finite element analysis of typical pipeline structures such as straight pipe and elbow pipe, as well as some special structure pipelines. On this basis, some cyclic methods and non-cyclic methods are used to determine the ratcheting boundary of the structure and guide the safety design of the pipeline structure. The continuous development of finite element technology provides a reliable research method for the follow-up study of ratcheting effect of structures under complex conditions. Determining the parameters of the constitutive model from the structural level also provides a new idea for the follow-up study of structural ratchet. The rise of some frontier science and technology can also be used as a new method for research in this field. • Recent progress on ratcheting effect of pressurized piping is reviewed from 2010. • Experimental study of ratcheting effect of pressurized piping is introduced. • Finite element analysis of ratcheting effect of pressurized piping is introduced. • Methods of determining the ratchet boundary of pressurized piping are summarized. [ABSTRACT FROM AUTHOR]