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The article presents some experience concerning technical and economical effectiveness arising from operation of an example of real photovoltaic micro installation. The main goal is to draw attention not only to its benefits, but also to the existing problems, that generate additional costs.
The paper presents the results of analysis of poorly designed and build the glued laminated timber frame structure of sport hall. The analysis is connected with capacity and stiffness of the elements and fasteners, as well.
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