Structural Rehabilitation of old Masonry Churches. A Cost-Oriented Case Study
Tomme: LXI (LXV) Fascicle: 2 | 2015
Pages: 27-42
Abstract text:
The rehabilitation stage of old masonry orthodox church buildings represents an important challenge from both architectural point of view, by conserving, repairing or replacing the interior and exterior ecclesiastical elements, and from structural point of view by designing an appropriate strengthening solution aiming to minimize the impact upon the building. The most common strengthening solutions, triggering certain seismic protection levels, imply high costs. Taking into account the large number of churches for which rehabilitation is necessary and the relatively low financial availability, the cost optimization of the rehabilitation process is being emphasized. This paper presents a case study consisting of a decayed old church built in the XIXth century, for which, different levels of structural rehabilitation are analysed, leading to a gradual increase of the seismic protection level. Also, the execution costs are appraised for each seismic protection level. Based on the provisions of the active norms, the analysis and the evaluation of the strengthening solutions are carried out analytically, with a a software that uses the finite element method (FEM). The results of the study are outlined and a cost sensitivity analysis of the different rehabilitation levels is presented.
Key Words:
rehabilitation of old masonry churches; FEM analysis, cost optimization.
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