Development of Confined Masonry Seismic Considerations, Research and Design Codes in Peru

Abstract eng:
The paper presents the historic evolution of confined masonry in Peru, including the Code development, and the considerations for seismic design of confined masonry buildings. A brief summary of the experimental research done over the last 35 years is given, and the development of the Peruvian masonry design Code is reviewed. Confined masonry was used empirically since the early 1950s in Peru, but it started to spread after the 1970 earthquake (M7.8), in which unreinforced masonry constructions suffered significant damage. Also, the importance of the experimental research performed at the Peruvian universities is highlighted. The contribution of several experimental projects to the Masonry Code specifications is explained. The Code specifications regarding seismic design have been revised, since 1970 until the current 2006 Masonry Code (Norma E.070 in Spanish). This is the only Peruvian construction and design Code which covers aspects of performance-based seismic design. Finally, the challenges related to the proper application of the Masonry Code are discussed (deficient materials, construction characteristics, lack of construction quality control etc).

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