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This book addresses the steel structures design according to procedures and provisions set in the Spanish Building Technical Code (CTE DB-SE-A).
This book addresses the steel structures design according to procedures and provisions set in the Spanish Building Technical Code (CTE DB-SE-A). A large collection of worked examples develop in a practical way the principles and requirements that will provide safety and serviceability to most of the steel structures for buildings. Members under tension, compression and bending are studied in order of increasing complexity, including flexural buckling and lateral-torsional buckling phenomena. Finally, step by step procedures for the design of bolted and welded connections are given, including column bases design. All tables and mathematical expressions needed to follow every step of each worked example are provided in this manual. Additionally, a final chapter containing some past papers has been included in order to prove useful as a textbook in schools of architecture or structural engineering
INDEX
CHAPTER 1.STEEL AS A STRUCTURAL MATERIAL
Structural Steel
Material properties for hot rolled steel
Design values of structural steel coeficients
Resistances of hot rolled cross sections
Classification of cross sections
Geometrical properties of hot rolled cross sections
WORKED EXAMPLES
1.1 Mechanical Properties of a Built-up ()Cross Section
1.2 Mechanical Properties of a Built-uo T Cross section
1.3 Mechanical Properties of a Built-uo I Cross section and Classification
1.4.Classification of hot rolled Cross-Section
CHAPTER 2 BASIC OF STRUCTURAL DESIGN
Design requirements
Limit States
Action and load cases
Combination of actions
Effects of imperfections
WORKED EXAMPLES
2.1.Combinations of Actions
2.2.Imperfections for global analysis of frames
2.3.Stabilising forces for analysis of bracing systems
CHAPTER 3 GLOBAL ANALYSIS
Single storey industrial building
Classification of steel frames
Statically determinate structures
Continuous beams
Horizontal stiffness
WORKED EXAMPLES
3.1.Clasification of a frame as sway or non-sway
3.2.Clasification of a frame as braced OR Unbraced
CHAPTER 4.TENSION,COMPRESSION AND BUCKLING
Single members class 1,2,or 3 subjected to tension or compression
Single members class 1 or 2 subjected to compression and bending
Practical procedures claa 1 and 2 OPEN CROSS-SECTIONS subjected to compression plus bending about the y axix
Practical procedures class 1 and 2 HOLLOW CROSS-SECTIONS subjected to compression plus bending about the y axis
Practical procedures class 1 and 2 OPEN and CLOSED CROSS SECTIONS subjected to compression and bending
Single members class 3 subjected to compression and bending
Single members subjected to tension forces and bending moments
WORKED EXAMPLES
4.1.Simple column Subjected to tension forces
4.2.Simple column Subjected to compression forces
4.3.Simple column Subjected to compression and bending moment about y axis
4.4.Simple column Subjected to compression and bending moment about Z axis
4.5.Members design of a pitched Truss
CHAPTER 5.BEAMS IN BENDING
Initial sizing of beams in bending
Ultimate limit States (ULS)
Resistance
Bending moments condition
Shear forces condition
Bending and shear interation
Bending and axial force interaction
Lateral-torsional buckling
Shear buckling of the web
Local effects web local yielding
Serviceabity limit States (SLS )
Deformations
Vibrations
Built-up-beams initial sizing
WORKED EXAMPLES
5.1.HOT ROLLED BEAM
5.2.BUILT UP BEAM
CHAPTER 6 DESIGN OF JOINT
GENERAL DESIGN CRITERIA
INTERNAL FORCES IN CONNECTIONS
BOLTED CONNECTIONS
Practical procedures bolted connections with bearing type bolts
Practical procedures bolted connections with preloaded bolts
WELDED CONNECTIONS
Practical procedures welded connections
WORKED EXAMPLES
6.1.Welded and bolted guisset plate connection
6.2.Pinned connections.beam to column and beam splice
6.3.Preloaded bolts connection and rigid beam splice
6.4.Bolted connection in shear and tension
6.5.Weldeb beam to column rigid joint
6.6.Bolted beam to column rigid joint
CHAPTER 7.COLUMN BASE PLATES
Introduction
Design bearing strenth of confined concrete
Effective bearing area
Base plate stiffness
Anchorages
Design process
Centred compression ( pinned or fixed joints )
Eccentric compression ( fixed joints )
Compression + bending ( fixed joints )
WORKED EXAMPLES
7.1.Column base plate in compression
7.2.Column base plate eccentric compression
7.3.Column base plate
7.4.Stiffened column base plate
CHAPTER 8.PAST EXAM PAPERS
8.1.Truss Chorp in compression,truss joint design and column in compression and bending about the y Axis
8.2.Double side beam to column bolted joint,column base plate design and column in compession
8.3.Beam to column bolted joint,column in compression and beam in compression and bending
8.4.Beam to column welded joint,beam in bending and column in compression and bending
8.5.Column in compression and bending column base in compression and beam to column and bracing system welded joint
