Advanced Analysis and Design for Fire Safety of Steel Structures

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Author: Guoqiang Li & Peijun Wang
Language: English
ISBN/ISSN: 9787308082679
2012-09;  Hardcover
This book, Advanced Analysis and Design for Fire Safety of Steel Structures systematically presents the latest findings on behaviouof steel structural ponents in a fire, such as the catenaryactio of restrained steel beams, the design methods for restrainedsteel colum, and the membrane actio of concrete floor slabs withsteel decks. Using a systematic description of structural firesafety engineering principles, the autho illustrate the importantdifference between behaviou of an isolated structural element andthe restrained ponent in a plete structure under fireconditio.'Steel structure fire resistant advanced analysis anddesign (English veion)(fine)' will be an essential resource forstructural enginee who wish to improve their undetanding of steelbuildings exposed to fires. It is also an ideal textbook forintroductory coues in fire safety for master's degree programs instructural engineering, and is excellent reading material forfinal-year undergraduate students in civil engineering and firesafety engineering. Furthermore, it successfully bridges theinformation gap between fire safety enginee, structural enginee andbuilding ipecto, and will be of significant interest to architects,code officials, building designe and fire fighte.


Introduction
1.1 Damage to Steel Structures Caused by Fire  l.l.1 Global Collapse of Steel Structures in Fire 1.1.2 Damage to Structural Components by Fire
1.2 Requirements for Fire Resistance of Steel Structures 1.2.1 Ultimate Limit State of Structures in a Fire 1.2.2 Load Bearing Capacity Criteria
      1.2.3 Fire-Resistance Duration Demands
1.3 Approach for Determining Fire-Resistance of Steel Structures 1.3.1 Experimental Approach 1.3.2 Analytical ApproachReferencesFire in Buildings
2.1 Basic Concepts 2.1.1 Fire Load 2.1.2 Heat Released Rate
2.2 Compartment Fire 2.2.1 Development of Compartment Fire 2.2.2 Heat Release Model of Fire before Flashover 2.2.3 Conditio Necessary for Flashover 2.2.4 Heat Release Rate of the Fire after Flashover 2.2.5 Modeling of Compartment Fire 2.2.6 Empirical Modeling of Compartment Fire
2.3 Large Space Building Fire 2.3.1 Characteristics of Large Space Building 2.3.2 Characteristics of Large Space Building Fire 2.3.3 Simulation of Large Space Building Fire using Zone Model 2.3.4 Characteristics of Large Space Building Fire
2.4 Standard Fire and Equivalent Exposure Time 2.4.1 Standard Fire 2.4.2 Equivalent Exposure TimeReferencesProperties of Steel at Elevated Temperatures
3.1 Thermal Properties of Structural Steel at Elevated Temperatures... 3.1.1 Conductivity 3.1.2 Specific Heat 3.1.3 Deity
3.2 Mechanical Properties of Structural Steel at High Temperature 3.2.1 Test Regimes 3.2.2 Definition of Yield Strength at High Temperature 3.2.3 Mechanical Properties of Structural Steel at High Temperatures 3.2.4 Yield Strength and Elastic Modulus of Fire-Resistant Steel at High Temperatures 3.2.5 Stress-Strain Relatiohip of Normal Strength Structural Steel and Fire-Resistant Steel at Elevated Temperatures
3.3 Mechanical Properties of High Strength Steel at HighTemperatures 3.3.1 High Strength Bolt 3.3.2 High Strength Cable
3.4 Properties of Stainless Steel at High Temperatures 3.4.1 Thermal Properties of Stainless Steel 3.4.2 Mechanical Properties of Stainless Steel at HighTemperaturesReferencesTemperature Elevatio of Structural Steel Components Exposed toFire
4.1 Laws of Heat Trafer 4.1.1 Heat Trafer in Structural Membe 4.1.2 Heat Trafer between Hot Smoke and a Structural Member
4.2 Practical Calculation Method for Temperature Elevation of Structural Membe 4.2.1 Calculating Model 4.2.2 Temperature Elevation of Structural Component with Uniformly Distributed Temperature 4.2.3 Temperature of Structural Component with Non-Uniformly Distributed Temperature
4.3 Practical Calculation Method for Temperature Evolution of Structural Membe Exposed to a Large Space Building Fire 4.3.1 Effects of Flame Radiation on Temperature Elevation of Un-Protected Steel Structural Components 4.3.2 Parametric Study 4.3.3 Limit Value of Flame Radiation4.4 ExampleReferencesFire-Resistance of Isolated Flexurai Structural Components5.1 Load-bearing Capacity of a Flexural Steel Component at High Temperatures 5.1.1 Strength of a Flexural Steel Component at High Temperatures 5.1.2 Lateral Toional Buckling Strength of a Flexural Steel Component at High Temperatures 5.1.3 Critical Temperature of a Flexural Steel Component in Fire. 5.1.4 Example5.2 Fire-resistance of Flexural Steel-Concrete Composite Components. 5.2.1 Material Properties and Temperature Calculation of a Composite Beam 5.2.2 Strength of a Composite Beam at High Temperature 5.2.3 Critical Temperature of a Composite Beam 5.2.4 Parametric Study 5.2.5 Simplified Approach for the Fire Resistance Design of Composite Beams 5.2.6 Example and Comparison 5.2.7 Experimental ValidationReferencesFire-Resistance of Isolated Compressed Steel Components6.1 Fire Resistance of Axially Compressed Steel Components 6.1.1 Load Bearing Capacity of Axially Compressed Steel Components 6.1.2 Critical Temperature of art Axially Compressed Component 6.1.3 Example6.2 Design Method for a Structural Component under the Combined Axial Force and Bending Moment 6.2.1 Stability of a Structural Component under the Combined Axial Force and Bending Moment 6.2.2 Cross-Sectional Strength of the Structural Component under the Combined Axial Force and Bending Moment at Elevated Temperatures 6.2.3 Critical Temperature of the Structural Component Subjected to the Combined Axial Force and Bending Moment 6.2.4 ExampleReferencesFire-Resistance of Restrained Flexural Steel Components 7,1 Fire-Resistance of a Restrained Steel Beam 7.1.1 Fire Test of Restrained Steel Beams 7.1.2 Analysis and Design for Fire-Resistance of a Restrained Steel Beam7.2 Fire Resistance of Steel-Concrete Composite Beams 7.2.1 Fire Test on Restrained Steel-Concrete Composite Beams . 7.2.2 Analysis of Restrained Steel-Concrete Composite Beams.. 7.2.3 Practical Design Method for a Restrained Steel-Concrete Composite Beam 7.2.4 Axial Force in the Composite BeamReferencesFire-Resistance of Restrained Steel Colum8.1 Fire Test on Restrained Steel Colum with Axial and Rotational Restraint 8.1.1 Test Set-Up and Test Specimen 8.1.2 Displacement and Temperature Acquisition 8.1.3 Test Schedule 8.1.4 Test Results 8.1.5 Numerical Simulation of the Fire Test8.2 Parametric Study of Restrained Steel Colunms in a Fire 8.2.1 Paramete 8.2.2 Parametric Study on a Restrained Steel Column under Axial Load Only in a Fire 8.2.3 Parametric Study of a Restrained Column under Combined Axial Load and Bending Moment in a Fire8.3 Simplified Design Method for Restrained Steel Colum in a Fire. 8.3.1 Design Method for Restrained Colum under Axial Load Only in a Fire 8.3.2 Design Methods for the Restrained Colum under Combined Axial Load and Bending Moment8.4 Fire-Resistance of Restrained Colum with Non-Uniform Temperature Distribution 8.4.1 Test Arrangement and Itrumentation 8.4.2 Temperature Distribution 8.4.3 Continuum Model 8.4.4 Experiment StudyReferencesFire-Resistance of Composite Concrete Slabs9.1 Fire-resistance Design Method for Composite Concrete Slabs Based on Small Deflection Theory 9.1.1 Studied Slabs 9.1.2 Parametric Studies 9.1.3 Simplified Design Method 9.1.4 Verification by the Fire Resistance Test9.2 Fire Resistance Design Method for the Composite Stab Coidering Membrane Action 9.2.1 Development of the Membrane Action of a Composite Slab in a Fire 9.2.2 Fire Test on the Composite Slab 9.2.3 Analysis of the Composite Slab in Coideration of the Membrane Action in a Fire References10 Analysis of Steel Moment-Resistant Frames Subjected to a Fire 10.1 Element for Analysis 10.1.1 Properties of the Elemental Cross-Section 10.1.2 Location of the Neutral Axis in an Elastic State 10.1.3 Eqnivalent Axial Stiffness 10.1.4 Equivalent Bending Stiffness in an Elastic State 10.1.5 Initial Yielding Moment 10.1.6 Location of the Neutral Axis in Total Plastic State 10.1.7 Plastic Moment 10.1.8 Stiffness of Element 10.2 Thermal Force of Element ~ 10.3 Structural Analysis 10.4 Experimental and Theoretical Prediction References11 Analysis and Design of Large Space Steel Structure Buildings Subjected to a Fire 11.1 Practical Analysis Approach for Steel Portal Frames in a Fire 11.1.1 Finite Element Modeling and Assumptio 11.1.2 Paramete Influencing the Fire Resistance of a Steel Portal Frame 11.1.3 Estimation of the Critical Temperature of a Steel PortalFrame 11.1.4 Example 11.1.5 Fire Protection 11.2 Critical Temperature of a Square Pyramid Grid Structure in aFire.. 11.2.1 Paramete of Grid Structures 11.2.2 Definition of Paramete 11.2.3 Critical Temperature of the Structural Component 11.2.4 Critical Temperature of the Grid Structure in Uniform Temperature Field 11.2.5 Critical Temperatures of the Grid Structure in a Non-Uniform Temperature Field 11.2.6 Conditio for a Grid Structure with no Need of Fire Protection 11.3 Continuous Approach for Cable-Net Structural Analysis in aFire .. 11.3.1 Behavior of a Single Cable in a Fire l 1.3.2 Behavior of the Cable-Net Structure in a Fire 11.3.3 Simplified Method for the Critical Temperature of a Cable-Net Structure 11.3.4 Critical Temperature of a Cable-Net Structure with Elliptical or Diamond Plan View 11.3.5 Critical Temperature of the Cable-Net Structure with Parabolic Plan ViewReferencesAppendix A: Paramete for Calculating the Smoke Temperature inLarge Space Building FireAppendix B: Stiffness Matrixes of Beam-Column ElementsAppendix C: Height of the FlameAppendix D: Critical Temperatures of Composite BeamsAppendix E: Critical Temperatures of a Steel Column Subjected toCombined Axial Force and Bending MomentAppendix F: Maximum Fire Power at Which a Grid Structure Doesnot Need Fire ProtectionIndex




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