Como evitar a fissuração em paredes de concreto de edifícios

Abstract

The concrete wall in construction in Brazil, is becoming a great option for those who seek lower costs and higher productivity. This type of building can finalize the structure with all the walls in weeks, generating shorter deadlines e lower need of financial investments. Using metalic, wooden or plastic forms, welded meshes and self compacting concrete, the walls come up in cicles of concreting up to 1 day, being able to build faster than other methods. But, as the productivity goes, recurring crackings appears, bringing reservices and prejudice. This paperwork, searchs to evaluete crackings in a residential construction of 5 buildings, with 7 to 10 paviments, where 3 different suppliers of concrete were used. Through mappings, chronological analysis, verification of temperature e umidity at the time, it was possible to verify possible situations that could generate crackings in the structure and then point out suggestions to avoid new pathologies.