Abstract
The structural behavior of heritage buildings is now a priority for restoration architects and structural engineers, because of the loss of human lives and the damages in the constructions caused by earthquakes. The conventional intervention, which applies the Colombian code for earthquake-resistant constructions (NSR 10), affects the conservation of their heritage values. This is a proposal for a structural analysis applying traditional methods, but including the integral knowledge of the building, as well as the structural principles that their behavior and the development of intervention proposals based on their own structural principles. A group of doctrinal churches in the high lands of Boyaca and Cundinamarca in Colombia (1579-1616) were selected as cases of study , using a basic architectonical church model, which maintains the constant geometry, but modifies its constructive technique, with the purpose of understanding the differences and result interpretations for this type of constructions. The evidence shows the importance of involving the comprehension of distinctive technical features, as a way to achieve seismic protection solutions for human life, in the same way as historical construction values.
Highlights
Conserving a cultural heritage building means to preserve the heritage values that make it a cornerstone for building the identity of a society; the heritage and testimony of past generations and memory for the future ones
The research was based on technical diversity findings included in the PhD thesis of (Chica Segovia, 2015), which identifies six architectural models using base construction techniques introduced during the conquest of the American territory that are currently present in most Colombian cultural heritage buildings, built during the colonial period
− In these constructive techniques, seismic loads are opposed to the forces of friction of the elements of the structural system
Summary
Conserving a cultural heritage building means to preserve the heritage values that make it a cornerstone for building the identity of a society; the heritage and testimony of past generations and memory for the future ones. The gap between the two knowledge fields avoids an integral work from meeting the objectives of. In this perspective, the proposals of structural intervention projects are often the result of trying to force the cultural heritage buildings to behave in a specific way, and are analyzed to comply with standards formulated for contemporaneous buildings. Their study and interpretation are subjected to structural principles, which were used to create the analysis and design software. This software is based on the material’s mechanical properties under isotropic conditions, and elastic theories that apply constants for each material, such as the Young and Poisson modules. Most of the cultural heritage buildings are incompatible with this concept, and these values are currently used in the analysis of these structures, they should be applied as orders of magnitude and not as absolute values of their behavior
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