The long-term exposure of building structures in coastal areas of our country to corrosive environment will lead to a significant decrease in the seismic performance of structures due to the corrosion of steel bars in...The long-term exposure of building structures in coastal areas of our country to corrosive environment will lead to a significant decrease in the seismic performance of structures due to the corrosion of steel bars in reinforced concrete structures. Starting from the concept of seismic recoverability of building structures, this paper introduces the evaluation method of seismic recoverability of corroded reinforced concrete structures based on functional deterioration, and summarizes the relevant numerical simulation research of corroded reinforced concrete frame structures under the standard design in our country. The results show that steel corrosion in reinforced concrete structures under corrosive environment has a significant impact on the seismic recoverability of the structures. With the increase of steel corrosion degree, the seismic recoverability of the target structures will be significantly reduced. The research results can provide theoretical support and reference for seismic recoverability evaluation of similar structures.展开更多
文摘The long-term exposure of building structures in coastal areas of our country to corrosive environment will lead to a significant decrease in the seismic performance of structures due to the corrosion of steel bars in reinforced concrete structures. Starting from the concept of seismic recoverability of building structures, this paper introduces the evaluation method of seismic recoverability of corroded reinforced concrete structures based on functional deterioration, and summarizes the relevant numerical simulation research of corroded reinforced concrete frame structures under the standard design in our country. The results show that steel corrosion in reinforced concrete structures under corrosive environment has a significant impact on the seismic recoverability of the structures. With the increase of steel corrosion degree, the seismic recoverability of the target structures will be significantly reduced. The research results can provide theoretical support and reference for seismic recoverability evaluation of similar structures.
