Have you heard about the Baraccone ? for which specific techniques were required

The ‘Baraccone’ found in Corsica (Bories in French), date for the most from the second half of the eighteenth and nineteenth centuries. They are not prior to the eighteenth century. Their architecture, in forms of a beehive or nave, can reach several metres in height. These huts built mainly by farmers and breeders, are of dry stone and call for specific techniques for their construction.

 
The arch or barrel vault, is well known; each stone is wedged between two neighbouring stones, and therefore cannot fall out. But, this technique requires wooden hangers. And, because of the cost, it is excluded for constructions as modest as dry stone huts. This is where the technique of the ‘cantilever’ enters; flat or rough stones, and sometimes resized, lie flat on one side and slightly inclined towards the outside of the construction, each stone is projected slightly inwards, in respect to the previous one. This technique, which economises a wooden hanger, was within the reach of farmers – if they disposed of dozens of quintals of stones for this type of work. Within a circular base, each stone inclined outwards is clenched by the two neighbouring, so cannot tilt towards the interior of the structure. This solution is found in shelters whose circular framework limits the size of the structure. Large structures of dry stone acted as sheepfolds, of nave shape, possessing an interior volume more worthwhile for the retention and stopover of the animals.

The walls are arranged so that their centre of gravity is within the limits of floor support area, in order to prevent tipping over. The entrances are generally narrow and low. They are covered with a slab for the most, acting as a lintel, (with a second slab in the back acting as a rear lintel).
In some cases, the entry has a frame with rabbet carved stones, usually taken from a demolished construction – for a village house, for example, constructions you can see near Bonifacio.
Unfortunately, this heritage has been left to abandon, and this photo is several years old. Now, what have these ‘Baraccone’ become ? that is indeed the question today.
 
 
 

Source: Patrimoniu di Corsica

 

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