Plated structures are important in a variety of marine, land-based and aerospace applications, including ships, offshore platforms, box girder bridges, power/chemical plants, box girder cranes, and aircrafts. The basic strength members in plated structures include support members (such as stiffeners, girders and frames), plates, stiffened panels, grillages, box columns, and box girders. During their lifetime, the structures constructed with these members are subjected to various types of action and action effects that are usually normal but sometimes extreme or even accidental. It is now well…mehr
Plated structures are important in a variety of marine, land-based and aerospace applications, including ships, offshore platforms, box girder bridges, power/chemical plants, box girder cranes, and aircrafts. The basic strength members in plated structures include support members (such as stiffeners, girders and frames), plates, stiffened panels, grillages, box columns, and box girders. During their lifetime, the structures constructed with these members are subjected to various types of action and action effects that are usually normal but sometimes extreme or even accidental. It is now well recognized that the limit state approach is a much better basis for structural design than allowable working stresses and simplified buckling checks for structural components. This book reviews and describes both the fundamentals and practical procedures for the ultimate limit state analysis and design of steel- and aluminum-plated structures. Structural fracture mechanics and structural impact mechanics are also described. This book is an extensive update of the first edition Ultimate Limit State Design of Steel-Plated Structures, published in 2003. Particularly valuable coverage in this book includes: * Nonlinear structural mechanics, and limit state analysis and design of steel- and aluminum-plated structural systems and their components * Progressive collapse analysis and design of damage tolerant structures against extreme and accidental conditions * Fabrication related initial imperfections such as initial distortions, residual stresses and softening * Age related degradation such as corrosion wastage and fatigue cracking * Accident induced damages such as local denting, collision damage and grounding damage * Low temperatures, cryogenic conditions and elevated temperatures * Structural fracture mechanics * Structural impact mechanics * Incremental Galerkin method * Nonlinear finite element method and intelligent supersize finite element method Designed as both a textbook and a handy reference, this book is well suited for university students approaching the related technologies. In terms of the more advanced and sophisticated design methodologies presented, this book should also meet the needs of structural analysts, structural designers, researchers, and practicing engineers involved in the field of naval architecture and offshore, civil, architectural, mechanical, and aerospace engineering.Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.
JEOM KEE PAIK University College London, UK and Pusan National University, Korea DR. JEOM KEE PAIK is Professor of Marine Technology in the Department of Mechanical Engineering at University College London in the UK and Professor of Safety Design and Engineering in the Department of Naval Architecture and Ocean Engineering at Pusan National University in Korea. He is an honorary professor at University of Strathclyde, Glasgow, UK, and at Southern University of Science and Technology, Shenzhen, China.
Inhaltsangabe
Preface xvii About the Author xix How to Use This Book xxi 1 Principles of Limit State Design 1 1.1 Structural Design Philosophies 1 1.2 Allowable Stress Design Versus Limit State Design 7 1.3 Mechanical Properties of Structural Materials 17 1.4 Strength Member Types for Plated Structures 39 1.5 Types of Loads 41 1.6 Basic Types of Structural Failure 42 1.7 Fabrication Related Initial Imperfections 43 1.8 Age Related Structural Degradation 60 1.9 Accident Induced Damage 73 References 73 2 Buckling and Ultimate Strength of Plate-Stiffener Combinations: Beams, Columns, and Beam-Columns 79 2.1 Structural Idealizations of Plate-Stiffener Assemblies 79 2.2 Geometric Properties 82 2.3 Material Properties 82 2.4 Modeling of End Conditions 83 2.5 Loads and Load Effects 84 2.6 Effective Width Versus Effective Breadth of Attached Plating 85 2.7 Plastic Cross-Sectional Capacities 93 2.8 Ultimate Strength of the Plate-Stiffener Combination Model Under Bending 100 2.9 Ultimate Strength of the Plate-Stiffener Combination Model Under Axial Compression 110 2.10 Ultimate Strength of the Plate-Stiffener Combination Model Under Combined Axial Compression and Bending 126 References 132 3 Elastic and Inelastic Buckling Strength of Plates Under Complex Circumstances 135 3.1 Fundamentals of Plate Buckling 135 3.2 Geometric and Material Properties 136 3.3 Loads and Load Effects 136 3.4 Boundary Conditions 137 3.5 Linear Elastic Behavior 138 3.6 Elastic Buckling of Simply Supported Plates Under Single Types of Loads 138 3.7 Elastic Buckling of Simply Supported Plates Under Two Load Components 139 3.8 Elastic Buckling of Simply Supported Plates Under More than Three Load Components 147 3.9 Elastic Buckling of Clamped Plates 149 3.10 Elastic Buckling of Partially Rotation Restrained Plates 149 3.11 Effect of Welding Induced Residual Stresses 158 3.12 Effect of Lateral Pressure Loads 159 3.13 Effect of Opening 163 3.14 Elastic-Plastic Buckling Strength 168 References 176 4 Large-Deflection and Ultimate Strength Behavior of Plates 179 4.1 Fundamentals of Plate Collapse Behavior 179 4.2 Structural Idealizations of Plates 185 4.3 Nonlinear Governing Differential Equations of Plates 189 4.4 Elastic Large-Deflection Behavior of Simply Supported Plates 191 4.5 Elastic Large-Deflection Behavior of Clamped Plates 201 4.6 Elastic Large-Deflection Behavior of Partially Rotation Restrained Plates 206 4.7 Effect of the Bathtub Deflection Shape 210 4.8 Evaluation of In-Plane Stiffness Reduction Due to Deflection 214 4.9 Ultimate Strength 234 4.10 Effect of Opening 251 4.11 Effect of Age Related Structural Deterioration 257 4.12 Effect of Local Denting Damage 260 4.13 Average Stress-Average Strain Relationship of Plates 261 References 267 5 Elastic and Inelastic Buckling Strength of Stiffened Panels and Grillages 271 5.1 Fundamentals of Stiffened Panel Buckling 271 5.2 Structural Idealizations of Stiffened Panels 272 5.3 Overall Buckling Versus Local Buckling 277 5.4 Elastic Overall Buckling Strength 278 5.5 Elastic Local Buckling Strength of Plating Between Stiffeners 283 5.6 Elastic Local Buckling Strength of Stiffener Web 283 5.7 Elastic Local Buckling Strength of Stiffener Flange 289 5.8 Lateral-Torsional Buckling Strength of Stiffeners 291 5.9 Elastic-Plastic Buckling Strength 299 References 299 6 Large-Deflection and Ultimate Strength Behavior of Stiffened Panels and Grillages 301 6.1 Fundamentals of Stiffened Panel Ultimate Strength Behavior 301 6.2 Classification of Panel Collapse Modes 302 6.3 Structural Idealizations of Stiffened Panels 305 6.4 Nonlinear Governing Differential Equations of Stiffened Panels 307 6.5 Elastic Large-Deflection Behavior After Overall Grillage Buckling 311 6.6 Ultimate Strength 315 6.7 Effects of Age Related and Accident Induced Damages 323 6.8 Benchmark Studies 323 References 331 7 Buckling and Ultimate Strength of Plate Assemblies: Corrugated Panels, Plate Girders, Box Columns, and Box Girders 333 7.1 Introduction 333 7.2 Ultimate Strength of Corrugated Panels 334 7.3 Ultimate Strength of Plate Girders 337 7.4 Ultimate Strength of Box Columns 347 7.5 Ultimate Strength of Box Girders 349 7.6 Effect of Age Related Structural Degradation 365 7.7 Effect of Accident Induced Structural Damage 365 References 366 8 Ultimate Strength of Ship Hull Structures 369 8.1 Introduction 369 8.2 Characteristics of Ship's Hull Structures 369 8.3 Lessons Learned from Accidents 377 8.4 Fundamentals of Vessel's Hull Girder Collapse 380 8.5 Characteristics of Ship Structural Loads 387 8.6 Calculations of Ship's Hull Girder Loads 388 8.7 Minimum Section Modulus Requirement 392 8.8 Determination of Ultimate Hull Girder Strength 394 8.9 Safety Assessment of Ships 396 8.10 Effect of Lateral Pressure Loads 398 8.11 Ultimate Strength Interactive Relationships Between Combined Hull Girder Loads 403 8.12 Shakedown Limit State Associated with Hull Girder Collapse 408 8.13 Effect of Age Related Structural Degradation 410 8.14 Effect of Accident Induced Structural Damage 413 References 417 9 Structural Fracture Mechanics 421 9.1 Fundamentals of Structural Fracture Mechanics 421 9.2 Basic Concepts for Structural Fracture Mechanics Analysis 424 9.3 More on LEFM and the Modes of Crack Extension 427 9.4 Elastic-Plastic Fracture Mechanics 432 9.5 Fatigue Crack Growth Rate and Its Relationship to the Stress Intensity Factor 441 9.6 Buckling Strength of Cracked Plate Panels 443 9.7 Ultimate Strength of Cracked Plate Panels 450 References 467 10 Structural Impact Mechanics 471 10.1 Fundamentals of Structural Impact Mechanics 471 10.2 Load Effects Due to Impact 473 10.3 Material Constitutive Equation of Structural Materials Under Impact Loading 476 10.4 Ultimate Strength of Beams Under Impact Lateral Loads 485 10.5 Ultimate Strength of Columns Under Impact Axial Compressive Loads 487 10.6 Ultimate Strength of Plates Under Impact Lateral Pressure Loads 489 10.7 Ultimate Strength of Stiffened Panels Under Impact Lateral Loads 494 10.8 Crushing Strength of Plate Assemblies 494 10.9 Tearing Strength of Plates and Stiffened Panels 502 10.10 Impact Perforation of Plates 508 10.11 Impact Fracture of Plates and Stiffened Panels at Cold Temperature 510 10.12 Ultimate Strength of Plates Under Impact Axial Compressive Loads 511 10.13 Ultimate Strength of Dented Plates 513 References 533 11 The Incremental Galerkin Method 539 11.1 Features of the Incremental Galerkin Method 539 11.2 Structural Idealizations of Plates and Stiffened Panels 539 11.3 Analysis of the Elastic-Plastic Large-Deflection Behavior of Plates 542 11.4 Analysis of the Elastic-Plastic Large-Deflection Behavior of Stiffened Panels 552 11.5 Applied Examples 572 References 586 12 The Nonlinear Finite Element Method 587 12.1 Introduction 587 12.2 Extent of the Analysis 587 12.3 Types of Finite Elements 588 12.4 Mesh Size of Finite Elements 588 12.5 Material Modeling 593 12.6 Boundary Condition Modeling 596 12.7 Initial Imperfection Modeling 597 12.8 Order of Load Component Application 598 References 601 13 The Intelligent Supersize Finite Element Method 603 13.1 Features of the Intelligent Supersize Finite Element Method 603 13.2 Nodal Forces and Nodal Displacements of the Rectangular Plate Element 604 13.3 Strain versus Displacement Relationship 605 13.4 Stress versus Strain Relationship 607 13.5 Tangent Stiffness Equation 608 13.6 Stiffness Matrix for the Displacement Component, ¿ z 611 13.7 Displacement (Shape) Functions 611 13.8 Local to Global Transformation Matrix 612 13.9 Modeling of Flat Bar Stiffener Web and One-Sided Stiffener Flange 612 13.10 Applied Examples 613 References 632 Appendices 635 A.1 Source Listing of the FORTRAN Computer Program CARDANO 635 A.2 SI Units 636 A.3 Density and Viscosity of Water and Air 638 A.4 Scaling Laws for Physical Model Testing 638 Index 643
Preface xvii About the Author xix How to Use This Book xxi 1 Principles of Limit State Design 1 1.1 Structural Design Philosophies 1 1.2 Allowable Stress Design Versus Limit State Design 7 1.3 Mechanical Properties of Structural Materials 17 1.4 Strength Member Types for Plated Structures 39 1.5 Types of Loads 41 1.6 Basic Types of Structural Failure 42 1.7 Fabrication Related Initial Imperfections 43 1.8 Age Related Structural Degradation 60 1.9 Accident Induced Damage 73 References 73 2 Buckling and Ultimate Strength of Plate-Stiffener Combinations: Beams, Columns, and Beam-Columns 79 2.1 Structural Idealizations of Plate-Stiffener Assemblies 79 2.2 Geometric Properties 82 2.3 Material Properties 82 2.4 Modeling of End Conditions 83 2.5 Loads and Load Effects 84 2.6 Effective Width Versus Effective Breadth of Attached Plating 85 2.7 Plastic Cross-Sectional Capacities 93 2.8 Ultimate Strength of the Plate-Stiffener Combination Model Under Bending 100 2.9 Ultimate Strength of the Plate-Stiffener Combination Model Under Axial Compression 110 2.10 Ultimate Strength of the Plate-Stiffener Combination Model Under Combined Axial Compression and Bending 126 References 132 3 Elastic and Inelastic Buckling Strength of Plates Under Complex Circumstances 135 3.1 Fundamentals of Plate Buckling 135 3.2 Geometric and Material Properties 136 3.3 Loads and Load Effects 136 3.4 Boundary Conditions 137 3.5 Linear Elastic Behavior 138 3.6 Elastic Buckling of Simply Supported Plates Under Single Types of Loads 138 3.7 Elastic Buckling of Simply Supported Plates Under Two Load Components 139 3.8 Elastic Buckling of Simply Supported Plates Under More than Three Load Components 147 3.9 Elastic Buckling of Clamped Plates 149 3.10 Elastic Buckling of Partially Rotation Restrained Plates 149 3.11 Effect of Welding Induced Residual Stresses 158 3.12 Effect of Lateral Pressure Loads 159 3.13 Effect of Opening 163 3.14 Elastic-Plastic Buckling Strength 168 References 176 4 Large-Deflection and Ultimate Strength Behavior of Plates 179 4.1 Fundamentals of Plate Collapse Behavior 179 4.2 Structural Idealizations of Plates 185 4.3 Nonlinear Governing Differential Equations of Plates 189 4.4 Elastic Large-Deflection Behavior of Simply Supported Plates 191 4.5 Elastic Large-Deflection Behavior of Clamped Plates 201 4.6 Elastic Large-Deflection Behavior of Partially Rotation Restrained Plates 206 4.7 Effect of the Bathtub Deflection Shape 210 4.8 Evaluation of In-Plane Stiffness Reduction Due to Deflection 214 4.9 Ultimate Strength 234 4.10 Effect of Opening 251 4.11 Effect of Age Related Structural Deterioration 257 4.12 Effect of Local Denting Damage 260 4.13 Average Stress-Average Strain Relationship of Plates 261 References 267 5 Elastic and Inelastic Buckling Strength of Stiffened Panels and Grillages 271 5.1 Fundamentals of Stiffened Panel Buckling 271 5.2 Structural Idealizations of Stiffened Panels 272 5.3 Overall Buckling Versus Local Buckling 277 5.4 Elastic Overall Buckling Strength 278 5.5 Elastic Local Buckling Strength of Plating Between Stiffeners 283 5.6 Elastic Local Buckling Strength of Stiffener Web 283 5.7 Elastic Local Buckling Strength of Stiffener Flange 289 5.8 Lateral-Torsional Buckling Strength of Stiffeners 291 5.9 Elastic-Plastic Buckling Strength 299 References 299 6 Large-Deflection and Ultimate Strength Behavior of Stiffened Panels and Grillages 301 6.1 Fundamentals of Stiffened Panel Ultimate Strength Behavior 301 6.2 Classification of Panel Collapse Modes 302 6.3 Structural Idealizations of Stiffened Panels 305 6.4 Nonlinear Governing Differential Equations of Stiffened Panels 307 6.5 Elastic Large-Deflection Behavior After Overall Grillage Buckling 311 6.6 Ultimate Strength 315 6.7 Effects of Age Related and Accident Induced Damages 323 6.8 Benchmark Studies 323 References 331 7 Buckling and Ultimate Strength of Plate Assemblies: Corrugated Panels, Plate Girders, Box Columns, and Box Girders 333 7.1 Introduction 333 7.2 Ultimate Strength of Corrugated Panels 334 7.3 Ultimate Strength of Plate Girders 337 7.4 Ultimate Strength of Box Columns 347 7.5 Ultimate Strength of Box Girders 349 7.6 Effect of Age Related Structural Degradation 365 7.7 Effect of Accident Induced Structural Damage 365 References 366 8 Ultimate Strength of Ship Hull Structures 369 8.1 Introduction 369 8.2 Characteristics of Ship's Hull Structures 369 8.3 Lessons Learned from Accidents 377 8.4 Fundamentals of Vessel's Hull Girder Collapse 380 8.5 Characteristics of Ship Structural Loads 387 8.6 Calculations of Ship's Hull Girder Loads 388 8.7 Minimum Section Modulus Requirement 392 8.8 Determination of Ultimate Hull Girder Strength 394 8.9 Safety Assessment of Ships 396 8.10 Effect of Lateral Pressure Loads 398 8.11 Ultimate Strength Interactive Relationships Between Combined Hull Girder Loads 403 8.12 Shakedown Limit State Associated with Hull Girder Collapse 408 8.13 Effect of Age Related Structural Degradation 410 8.14 Effect of Accident Induced Structural Damage 413 References 417 9 Structural Fracture Mechanics 421 9.1 Fundamentals of Structural Fracture Mechanics 421 9.2 Basic Concepts for Structural Fracture Mechanics Analysis 424 9.3 More on LEFM and the Modes of Crack Extension 427 9.4 Elastic-Plastic Fracture Mechanics 432 9.5 Fatigue Crack Growth Rate and Its Relationship to the Stress Intensity Factor 441 9.6 Buckling Strength of Cracked Plate Panels 443 9.7 Ultimate Strength of Cracked Plate Panels 450 References 467 10 Structural Impact Mechanics 471 10.1 Fundamentals of Structural Impact Mechanics 471 10.2 Load Effects Due to Impact 473 10.3 Material Constitutive Equation of Structural Materials Under Impact Loading 476 10.4 Ultimate Strength of Beams Under Impact Lateral Loads 485 10.5 Ultimate Strength of Columns Under Impact Axial Compressive Loads 487 10.6 Ultimate Strength of Plates Under Impact Lateral Pressure Loads 489 10.7 Ultimate Strength of Stiffened Panels Under Impact Lateral Loads 494 10.8 Crushing Strength of Plate Assemblies 494 10.9 Tearing Strength of Plates and Stiffened Panels 502 10.10 Impact Perforation of Plates 508 10.11 Impact Fracture of Plates and Stiffened Panels at Cold Temperature 510 10.12 Ultimate Strength of Plates Under Impact Axial Compressive Loads 511 10.13 Ultimate Strength of Dented Plates 513 References 533 11 The Incremental Galerkin Method 539 11.1 Features of the Incremental Galerkin Method 539 11.2 Structural Idealizations of Plates and Stiffened Panels 539 11.3 Analysis of the Elastic-Plastic Large-Deflection Behavior of Plates 542 11.4 Analysis of the Elastic-Plastic Large-Deflection Behavior of Stiffened Panels 552 11.5 Applied Examples 572 References 586 12 The Nonlinear Finite Element Method 587 12.1 Introduction 587 12.2 Extent of the Analysis 587 12.3 Types of Finite Elements 588 12.4 Mesh Size of Finite Elements 588 12.5 Material Modeling 593 12.6 Boundary Condition Modeling 596 12.7 Initial Imperfection Modeling 597 12.8 Order of Load Component Application 598 References 601 13 The Intelligent Supersize Finite Element Method 603 13.1 Features of the Intelligent Supersize Finite Element Method 603 13.2 Nodal Forces and Nodal Displacements of the Rectangular Plate Element 604 13.3 Strain versus Displacement Relationship 605 13.4 Stress versus Strain Relationship 607 13.5 Tangent Stiffness Equation 608 13.6 Stiffness Matrix for the Displacement Component, ¿ z 611 13.7 Displacement (Shape) Functions 611 13.8 Local to Global Transformation Matrix 612 13.9 Modeling of Flat Bar Stiffener Web and One-Sided Stiffener Flange 612 13.10 Applied Examples 613 References 632 Appendices 635 A.1 Source Listing of the FORTRAN Computer Program CARDANO 635 A.2 SI Units 636 A.3 Density and Viscosity of Water and Air 638 A.4 Scaling Laws for Physical Model Testing 638 Index 643
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