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S13 Integridade Estrutural |
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Title:
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FRACTURE MECHANICS APPLIED TO THE STRUCTURAL DESIGN PART I: TRADITIONAL METHODOLOGIES
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Summary :
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ABSTRACT. FRACTURE MECHANICS HAS BEEN DEMONSTRATING, IN THE LAST YEARS, ITS GREAT USEFULNESS AND IMPORTANCE TO APPLICATIONS IN THE MOST DIVERSIFIED SECTORS OF THE INDUSTRY, AMONG WHICH CAN BE INCLUDED THE NAVAL, AERONAUTICS AND AEROSPACE, DEFENSE, HEAVY CONSTRUCTION, PETROCHEMICAL AND NUCLEAR INDUSTRIES. TODAY, IT IS FURTHER INCREASING, AMONG PROFESSIONALS INVOLVED IN THE PROJECT AND OPERATION OF STRUCTURES AND INDUSTRIAL COMPONENTS, THE CONSCIENCE OF HOW DIFFICULT, OR EVEN IMPOSSIBLE TO FABRICATE STRUCTURAL PARTS THAT DON T CONTAIN DEFECTS. UNDER THE ACTION OF LOADS, THE PRESENCE OF THOSE DEFECTS, MOSTLY MICROSCOPIC, CAN LEAD TO A FAILURE IN SITUATIONS MUCH LESS UNFAVORABLE THAN THE ONES INITIALLY ASSUMED IN THE DESIGN, THEREFORE INCREASING THE IMPORTANCE OF THE CONSIDERATION OF FRACTURE MECHANICS IN THE DESIGN AND IN THE DEFINITION OF THE LIFE OF THOSE STRUCTURES. THIS WORK PRESENTS A SURVEY OF FRACTURE MECHANICS METHODOLOGIES AND FORMULATIONS APPLICABLE TO THE DESIGN OF INDUSTRIAL STEEL COMPONENTS. THE WORK IS DIVIDED IN TWO PARTS. THE FIRST PART, SCOPE OF THIS VERY PAPER, CONCENTRATES ON THE PRESENTATION OF FRACTURE MECHANICS TRADITIONAL METHODOLOGIES APPLIED TO THE DESIGN OF STRUCTURES. IN THE SECOND PART, PRESENTED IN A COMPANION PAPER, THE NEW DEVELOPMENTS OBTAINED IN THE LAST 5 YEARS AND THE RESEARCH TENDENCIES ARE DETAILED.
KEYWORDS: FRACTURE MECHANICS, MECHANICAL DESIGN, STRUCTURAL INTEGRITY
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Author :
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DeAquino, Carlos Tasso Eira
Landes, John D.
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Paper View :
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