Parameter Evaluation in Historical Construction: From Sensitivity Analysis to the Test Planning

== Abstract ==

Uncertainties play a key role in the structural assessment in the existing buildings. They  are  mainly  associated  with  materials,  geometries  and  loads.  The  reduction  of  these uncertainties is one of the main challenges for researchers who approach this type of project. The  aim  of  this  work  is  the  reduction  of  uncertainties  through  a  sensitivity  analysis.  These analyses allow understanding the structural overall behaviour and they are useful to the in-situ test planning. The proposed sensitivity analysis is used as cognitive evaluation, analyzing the influences  of  each  parameter  on  the structural  behaviour,  and  as  improvement  assessment, evaluating the effectiveness of the intervention proposals. Furthermore, such approach reduces the impact of the experimental campaign and the intervention proposals, in terms of invasiveness, time and cost. The research is carried out through the selection of a case study, the “Quartel da Tropa” (SC), Brazil. It is used  to  show  how  the  proposed  approach  can  be applied  for  the  structural  assessment  of  historical  buildings.  The  information  collected  was elaborated  with  Historical  Building  Information  Modeling  (H-BIM)  and  analyzed  through finite element method software. The proposed research allows increasing the level of knowledge of the historical construction of the Quartel da Tropa, through the sensitivity analysis and the experimental  test  design  of  the  structure.  Such  an  approach  suggests  how  not  only  the longitudinal Young’s Modulus (E) and the specific weight (w) of the masonry are the main parameters to avoid significant errors in the results in terms of structural assessment. Indeed, type of wooden species, type of structural connection, different types of masonry characteristic in different structural elements must be considered.

== Full document ==
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