The structural safety assessment of the existing buildings is strictly related to the prevention and the maintenance management problem, mainly for buildings that, like R/C and masonry buildings, cannot be considered as “eternal” any more. Unfortunately, the quite uncommon practice of inspecting the existing structures with a regular schedule and the lack of skill in detecting the incoming structural damage make the residual safety level assessment more difficult and rough. The safety assessment problem is becoming more and more important, as proved by the publication of the Italian OPMC 3274 (2003). In fact, these recent national technical guidelines suggest to evaluate the safety reliability of strategic existing buildings of first and second class seismic areas. The proposed assessment method is based on the general evaluation of the building real conditions and introduces into the structural computation some confidence factors depending on the knowledge level. In fact, the recently published “Technical Guidelines for Constructions” (DM 14/09/2005) specifies that: “the quality guarantee, control and quality plans are essential tools in order to evaluate the construction structural reliability”. It is thus very important to make engineers and field operators aware of the problem, to improve their technical knowledge by means of a systematic interdisciplinary approach founded on the careful examination of the residual technological performances of the considered structures, because a sound prevention of structural deficiencies is strictly dependent on that. It is necessary to define methods and management tools within a Quality Guarantee System frame, assumed as a control support.
Quality in vulnerability assessment of existing r/c structures
TRALLI, Antonio Michele;BIOLCATI RINALDI, Maurizio;APRILE, Alessandra;
2006
Abstract
The structural safety assessment of the existing buildings is strictly related to the prevention and the maintenance management problem, mainly for buildings that, like R/C and masonry buildings, cannot be considered as “eternal” any more. Unfortunately, the quite uncommon practice of inspecting the existing structures with a regular schedule and the lack of skill in detecting the incoming structural damage make the residual safety level assessment more difficult and rough. The safety assessment problem is becoming more and more important, as proved by the publication of the Italian OPMC 3274 (2003). In fact, these recent national technical guidelines suggest to evaluate the safety reliability of strategic existing buildings of first and second class seismic areas. The proposed assessment method is based on the general evaluation of the building real conditions and introduces into the structural computation some confidence factors depending on the knowledge level. In fact, the recently published “Technical Guidelines for Constructions” (DM 14/09/2005) specifies that: “the quality guarantee, control and quality plans are essential tools in order to evaluate the construction structural reliability”. It is thus very important to make engineers and field operators aware of the problem, to improve their technical knowledge by means of a systematic interdisciplinary approach founded on the careful examination of the residual technological performances of the considered structures, because a sound prevention of structural deficiencies is strictly dependent on that. It is necessary to define methods and management tools within a Quality Guarantee System frame, assumed as a control support.I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
