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NATIONAL STADIUM BEIJING
TRUSS STRUCTURE
Group members: Hiba Amin
Fatima Tahseen
Kanwal Abid
Noshaba Khan
Sumble Zafar
Wajeeha Khan
NATIONAL STADIUM BEIJING
INTRODUCTION:
• Location: Beijing, China
• Architect: Herzog & de Meuron Architects AG, Arup Sport and the
China Architecture Design & Research Group
• Demonstrated system: Rigid Frame
• Total site area: 204.278 m
• Gross Floor Area:258,000 sq. ft.
DETAILS OF BUILDING
• Exterior structure : 36 KM of unwrapped steel
• Combined weight : 45,000 tons
• Stadium length : 330 meters
• Width : 220 meters
• Height: 69 meters
• Largest steel truss span : 343m / 375 yds.
• Steel roof : 320m long 297m wide
MATERIALS
• OUTER SHELL
STEEL FRAME
• INNER SHELL
CONCRETE
• ROOF
ETFE MEMBRANE (Ethylene Tetra fluoroethylene Copolymer)
BETWEEN STEEL WORK
STRUCTURE
• Bird’s Nest
Irregular patterns follows strict geometric rules
• There are two independent structures
Outer structure Inner structure
Steel frame Concrete
Truss columns Seating bowl
Interlocked element Precast reinforced
Support each other Concrete section
ROOF STRUCTURE
• 32 ft. 8 inches deep horizontal trusses that span the roof
• The roof truss is composed of top and bottom booms with diagonal
struts.
• Deep roof trusses follow a diagonal path crisscrossing each other
• The roof is supported by cantilever trusses
• Lattice trusses
TRUSS-COLUMNS:
• 24 truss-columns of pre-cast steel
• 224 ft. 7 inches height
• the major load-bearing component of the roof structure
• maximum weight of a single column is 500 tons.
• The mega column has three main booms–one vertical and two inclined
• Tied together by diagonal elements forming a three dimensional truss system.
Load Distribution
Horizontal loads:
• The steel structure itself must resists its own load
• Plinth type of foundation for evenly distribution of load.
• The loads at each intersection are split between
the members and transferred downwards.
Load Distribution
Lateral Loads:
• The massive steel structure resists the lateral loads in
a similar manner as the horizontal ones
• Transferred to the ground by the lattice of steel.
• Lattice also provides natural ventilation in the
building.
Load Distribution
Earthquake loads:
• Steel has high modulus of elasticity as compared to
the concrete.
• Structure is designed to withstand earthquakes rated
at 8.0 on Ritcher Scale.
Plinth Foundation
BENEIFETS OF TRUSS COLUMN
Structural design
• It gives visual effect
• It provides comfortable seating & view to all
spectators
Roof
• Provide with cantilever trusses which shading the
seating
THANK YOU
Structure of national stadium bejing

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Structure of national stadium bejing

  • 2. Group members: Hiba Amin Fatima Tahseen Kanwal Abid Noshaba Khan Sumble Zafar Wajeeha Khan
  • 3. NATIONAL STADIUM BEIJING INTRODUCTION: • Location: Beijing, China • Architect: Herzog & de Meuron Architects AG, Arup Sport and the China Architecture Design & Research Group • Demonstrated system: Rigid Frame • Total site area: 204.278 m • Gross Floor Area:258,000 sq. ft.
  • 4. DETAILS OF BUILDING • Exterior structure : 36 KM of unwrapped steel • Combined weight : 45,000 tons • Stadium length : 330 meters • Width : 220 meters • Height: 69 meters • Largest steel truss span : 343m / 375 yds. • Steel roof : 320m long 297m wide
  • 5. MATERIALS • OUTER SHELL STEEL FRAME • INNER SHELL CONCRETE • ROOF ETFE MEMBRANE (Ethylene Tetra fluoroethylene Copolymer) BETWEEN STEEL WORK
  • 6. STRUCTURE • Bird’s Nest Irregular patterns follows strict geometric rules • There are two independent structures Outer structure Inner structure Steel frame Concrete Truss columns Seating bowl Interlocked element Precast reinforced Support each other Concrete section
  • 7. ROOF STRUCTURE • 32 ft. 8 inches deep horizontal trusses that span the roof • The roof truss is composed of top and bottom booms with diagonal struts. • Deep roof trusses follow a diagonal path crisscrossing each other • The roof is supported by cantilever trusses • Lattice trusses
  • 8. TRUSS-COLUMNS: • 24 truss-columns of pre-cast steel • 224 ft. 7 inches height • the major load-bearing component of the roof structure • maximum weight of a single column is 500 tons. • The mega column has three main booms–one vertical and two inclined • Tied together by diagonal elements forming a three dimensional truss system.
  • 9. Load Distribution Horizontal loads: • The steel structure itself must resists its own load • Plinth type of foundation for evenly distribution of load. • The loads at each intersection are split between the members and transferred downwards.
  • 10. Load Distribution Lateral Loads: • The massive steel structure resists the lateral loads in a similar manner as the horizontal ones • Transferred to the ground by the lattice of steel. • Lattice also provides natural ventilation in the building.
  • 11. Load Distribution Earthquake loads: • Steel has high modulus of elasticity as compared to the concrete. • Structure is designed to withstand earthquakes rated at 8.0 on Ritcher Scale. Plinth Foundation
  • 12. BENEIFETS OF TRUSS COLUMN Structural design • It gives visual effect • It provides comfortable seating & view to all spectators Roof • Provide with cantilever trusses which shading the seating