The trusses studied have been recover from an old building locate at Pergine Valsugana (20 km East from Trento) which will be transformed in a school. The construction is not very ancient, probably built in the first part of the last century, and did not present signs of rehabilitation or strengthening actions. The building
Figure 1. Trusses geometry.
is a typical rural construction with ground floor, first level and attic with visible timber roof structure. The change in the use of the building results in the necessity to remove the timber trusses. The trusses with a king-post configuration have a span near to 10.5 meters.
All members are composed by one single timber piece of Spruce (Picea Abies Karst.), presenting a mean cross-section of 20 x 23 cm2. All members were marked before dismantling of the trusses necessary for their transportation to the Materials and Structural testing Laboratory of the University of Trento.
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