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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Capacity Evaluation of Repaired Structural Walls Having Special Detailing for Moderate Seismic Zone
Author(s): S.-W. Han, Y.-M. Lee, C.-H. Oh, and L.-H. lee
Publication: Special Publication
Appears on pages(s): 821-834
Keywords: capacity; concrete (structural); repair; wall
Abstract:objective of this study is to investigate the seismic performance of repaired structural walls. The structural walls under consideration have specific details that have been widely used in Korea. In this study three isolated large-scale wall specimens were made. After testing, all specimens were repaired. The aspect ratio under consideration is 1 to 3. Because of the space limitation of the laboratory the dimensions of all walls are the same. The aspect ratio was controlled by the combination of axial and lateral forces using the special test setting. The walls were tested using the incremental pseudo static cyclic loads until failure occurs. After that, only the damaged regions are repaired using a concrete with the same properties of the original concrete. The sectional area was unchanged after repairing. The severely yielded reinforcements were replaced by new reinforcement having the same sectional area and properties. Also, epoxy resins were used to fill the cracks in the damaged walls. From this study the capacities of repaired structural walls with specific details after severely damaged is evaluated and compared with those of the corresponding original specimens.
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