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Limit State Design of Steel Structures
by S.K. Duggal
UNIT – I
Materials – Making of iron and steel – types of structural steel – mechanical properties of steel – Concepts of plasticity – yield strength. Loads-and combinations loading wind loads on roof trusses, behavior of steel, local buckling. Concept of limit State Design – Different Limit States as per IS 800 -2007 – Design Strengths- deflection limits – serviceability – Bolted connections – Welded connections – Design Strength – Efficiency of joint -Prying action Types of Welded joints – Design of Tension members – Design Strength of members.
UNIT – II
Design of compression members – Buckling class – slenderness ratio I strength design – laced – battened columns -column splice – column base – slab base.
UNIT – III
Design of Beams – Plastic moment – Bending and shear strength laterally / supported beams design – Built up sections – large plates Web buckling Crippling and Deflection of beams, Design of Purlin.
UNIT – IV
Design of eccentric connections with brackets, Beam end connections – Web angle – Un-stiffened and stiffened seated connections (bolted and Welded types) Design of truss joints.
UNIT – V
Design of welded plate girders – optimum depth Design of main section – Design of end bearing stiffness and intermediate stiffness Connection between web and flange and Design of flange splice and web splices.