Cob Seismic Rehabilitation
Author(s)
G. Scudo & A. Drei
Abstract
Among the different earth architectural techniques largely diffused in the Italian
regions – rammed earth, various types of \“adobe”, light earth and cob – the last
one is the less known due to its prevalent use in traditional rural buildings and in
a few small settlements in Central Italy, partially abandoned in the last
50/60years. Only recently the administrations of the Regions where the majority
of this cultural heritage is located developed an interest in the cob technique and
earth architecture, mainly in the Marche and Abruzzo regions.
Conservation and ecological interest are the main aim of the local groups
which have to face the very \“heavy” task to cope with national technical norms,
particularly seismic ones which do not include traditional earth based building
technologies.
A detailed study has been carried out to assess the technological and
structural pathologies of a typical rural residence in Treia (Macerata Council,
Marche Region) now abandoned in critical conditions due to the lack of
maintenance and to the destructive use of concrete and bricks in previous repair
interventions.
An appropriate technological and cultural sound restoration was proposed
along with a structural improvement taking into account the seismic hazard of
the area, by means of a wooden grid included into the outside façade of the cob
structure.
Seismic forecast performance of the proposed system is based on the
experience of the Colombian research group \“Tierra Viva Foundation” and was
also studied by means of a numerical modelling.
Keywords: earth construction, seismic rehabilitation, cob technique, rural
residence.
Keywords
earth construction, seismic rehabilitation, cob technique, rural
residence.
Related Book
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