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Safety evaluation of timber structures through non-destructive methods and stochastic analysis

2008-01-01

The project Safety evaluation of timber structures through non-destructive methods and stochastic analysis had the following objectives: a) development of non-destructive methods for strength and stiffness evaluation of clear wood sections and sections with defects of structural timber members in service; b) use of the developed methods for estimation of strength and stiffness variation in timber members - definition of the stochastic behavior; c) use of that information (property assessment, and its variation, in the different zones along the length of the member) as basis to develop models based in the finite element method as to probabilistically assess the safety level of timber structures.

The project was divided in five different tasks (Task 1 to 5) with the joint objective of obtaining reliable information for modeling the mechanical properties of timber members by means of material evaluation of clear wood zones, inspection and definition of zones weakened by natural defects, by using non and semi destructive methods combined with stochastic analysis. This research work derived from the need to assess the safety level of existing timber structures, applying methods with minimum damage to the structure.

Reference: FCT PTDC-ECM-66527-2006

Date: 2008-2010

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