Improvement of the Seismic Response of Adobe Houses.

Abstract eng:
The present work is taking place in the city of San Juan, Argentina, an area of high seismic hazard. In the region, the seismic resistance factor constitutes a factor with a strong incidence in the habitability of the housing. Added to this, within the levels of social exclusion of the referred sectors manifest themselves physically in the materialization of self-built housing neighborhoods with considerably low rates of habitability. The present work shows reinforcement techniques that allow retarding the collapse of self-built mud-bricks buildings. The methodology applied, experimental, consists of technical verification of the seismic response of different strengthening of mud-bricks walls through the use of different types of mesh and plaster. It begins with the determination of the mechanical strength of the masonry of mud-bricks, as part of the whole walls- ceilings, which occurs with a higher degree of recurrence in the mentioned field. It was determined the physical and mechanical properties of the materials resistant to lateral loads in its current state (mud-bricks walls) and the proposed improvements (reinforced walls). They were trials of individual elements of the construction system (mud-bricks, meshes), subsequently pile and low walls. Obtained these models to a scale 1:2, were built in vibrating table, with the purpose of the global assessment of the behavior of the same and subsequently its numerical modeling As a conclusion, work demonstrates techniques of reinforcement that allow you to slow the collapse of buildings that is susceptible to be implemented by means of self-construction methods. The strengthening modifies the failure mechanism of the original model by another with greater capacity of dissipation of energy. From the results obtained it’s was developed an activity of transferring to a sector of the population of the province of San Juan, (Argentina), detected with a high seismic and social vulnerability.

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