The application of recycled concrete structure is in line with the utilization of construction waste resources and the sustainable development of building materials. It has received attention from academic and engineering circles at home and abroad. The long-term working characteristic of recycled concrete structures is an important aspect in the research of recycled concrete

among which the freezing and thawing resistance

carbonation resistance

chloride-permeation resistance

creep of recycled concrete

steel corrosion and rust cracking in recycled concrete

corroded steel and recycled concrete bonding properties

and long-term performance of recycled concrete components are essential components to determine the long-term working performance of recycled concrete structures. The above-mentioned qualities of recycled concrete structures are studied in this paper

which is summarized as follows: 1) Progress has been made on the long-term working characteristic of recycled concrete structures

and some valuable conclusions have been drawn. However

some of the research conclusions are not completely consistent or even mutually exclusive

which might be attributed to the difference in recycled aggregate

mix design

and test methods. Therefore

further research is still needed. 2) Most of the research is mainly based on medium and low-strength recycled concrete

involving less on high-strength recycled concrete. More research on the long-term working characteristic of high-strength recycled concrete should be conducted along with the promotion of high-strength steel bars

so that recycled concrete and steel bars can fully draw on their respective advantages and waste can be avoided. 3) There are many macro researches yet few micro studies

so research on micro study should be enhanced. 4) Compared with the research results of long-term working characteristic of recycled concrete materials

the research on recycled concrete component and structural parts is relatively scarce

and subsequent research on components or structures should be carried out. 5) Long-term working characteristic of recycled concrete studies are mostly single factor studies

while engineering is mostly multi-factor coupling. Multi-factor coupling research can be carried out in the future in order to combine theory with practice. It is expected that this paper is able to provide ideas and directions for the study of the long-term working characteristic of recycled concrete

and provide statistical and theoretical support for the promotion and application of recycled concrete.