The steel structure construction is an interesting option to the already established concrete structure at a time when the Brazilian civil construction seeks more efficiency.To promote the use of this material it is n...The steel structure construction is an interesting option to the already established concrete structure at a time when the Brazilian civil construction seeks more efficiency.To promote the use of this material it is necessary to have a better understanding of its characteristics and,especially,of its possible pathologies,to avoid degradation,costs,and even the collapse of the structure.In this study Total Quality Management tools were applied to analyze the pathologies found in five medium and large steel-structured buildings.The most frequent ones were structure corrosion,cracks in the closures,and infiltrations in the interface closure/structure.The Ishikawa Diagram is used to identify the origin of the causes of pathologies and the Gravity Urgency Tendency Matrix(GUT Matrix)is used in the risk analysis of each pathology.The results obtained show that it is possible,through these Quality Management tools,to understand the origin of the pathologies,establishing their dangerousness and the degree of risk each one offers.展开更多
At present,China’s bridges are mostly made of concrete,which contain a large amount of cement,sand and gravel and other materials,which can easily cause environmental pollution.At the same time,China’s total steel p...At present,China’s bridges are mostly made of concrete,which contain a large amount of cement,sand and gravel and other materials,which can easily cause environmental pollution.At the same time,China’s total steel production continues to rank first in the world.The construction and development of steel bridges have sufficient basic support.At the same time,steel is more environmental-friendly than concrete,with higher strength,lower weight,and can reduce construction waste significantly,so the development of steel bridges has been on the rise.To optimize the application effect of steel structure bridges,it is necessary to analyze the construction management and installation quality control strategies of steel bridges for reference.展开更多
文摘The steel structure construction is an interesting option to the already established concrete structure at a time when the Brazilian civil construction seeks more efficiency.To promote the use of this material it is necessary to have a better understanding of its characteristics and,especially,of its possible pathologies,to avoid degradation,costs,and even the collapse of the structure.In this study Total Quality Management tools were applied to analyze the pathologies found in five medium and large steel-structured buildings.The most frequent ones were structure corrosion,cracks in the closures,and infiltrations in the interface closure/structure.The Ishikawa Diagram is used to identify the origin of the causes of pathologies and the Gravity Urgency Tendency Matrix(GUT Matrix)is used in the risk analysis of each pathology.The results obtained show that it is possible,through these Quality Management tools,to understand the origin of the pathologies,establishing their dangerousness and the degree of risk each one offers.
文摘At present,China’s bridges are mostly made of concrete,which contain a large amount of cement,sand and gravel and other materials,which can easily cause environmental pollution.At the same time,China’s total steel production continues to rank first in the world.The construction and development of steel bridges have sufficient basic support.At the same time,steel is more environmental-friendly than concrete,with higher strength,lower weight,and can reduce construction waste significantly,so the development of steel bridges has been on the rise.To optimize the application effect of steel structure bridges,it is necessary to analyze the construction management and installation quality control strategies of steel bridges for reference.
