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Space frame

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Space frame

  1. 1. BUILDING CONSTRUCTION SPACE FRAME
  2. 2. DEFINITION:  A three-dimensional structures.  The assembled linear elements are arranged to transfer the load.  Take a form of a flat surface or curve surface.  Designed with no intermediate columns to create large open area.
  3. 3. Load Distribution
  4. 4. TYPES OF SPACE FRAME 1) Two and three-way grids  Characterized as two way or three way 2) Single, Double and Triple Layered  Single layer frame has to be singly or doubly curved.  Commonly used space frames are double layered and flat.  Triple layered is practically used for a large span building.
  5. 5. COMPONENTS OF SPACE FRAME  Consists of axial members : which are tubes and connectors
  6. 6. TUBES 1) Circular Hollow Sections 2) Rectangular Hollow Sections
  7. 7. CONNECTORS 1) Tuball Node Connector  A hollow sphere made of spheroidal graphite  The end of the circular hollow section member to be connected is fitted at its ends by welding.  Connection from inside the cup is using bolt and nut.
  8. 8. 2) Nodus Connector  It can accept both rectangular and circular hollow sections and that the cladding can be fixed directly to the chords.  Chord connectors have to be welded to the ends of the hollow members on site.
  9. 9. 3) Triodetic Connector  It consists of a hub, usually an aluminium extrusion, that has slots or key ways, which the ends of members are pressed or coined to match the slots.
  10. 10. 4) Hemispherical Dome Connector  Usually use for double layer domes.  Has a span more than 40m.  More economical for long span.  The jointing is connect by sliting the end of the tube or rod with the joint fin.  There are 2 types of joint, pentagonal joint and hexagonal joint.
  11. 11. ADVANTAGES  Light  Elegant & Economical  Carry load by three dimensional action  High Inherent Stiffness  Easy to construct  Save Construction Time & Cost  Services (such as lighting and air conditioning) can be integrated with space frames  Offer the architect unrestricted freedom in locating supports and planning the subdivision of the covered space.
  12. 12. EXAMPLES OF BUILDING
  13. 13. SAN SIRO STADIUM, MILAN
  14. 14. STANSTED AIRPORT, LONDON
  15. 15. THANK YOU

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