Space frames are also known as Structure frames or 3D frames. A Space Frame is a three-dimensional structure. These frames are assembled in linear elements arranged to transfer the structure’s load. These frames are designed with no intermediate columns to create large open spaces.
Space frames are designed typically by using a rigidity matrix. In these frames, if the joints are perfectly rigid, the angular deflection can be neglected for simplifying the calculation.
What is Space Frame?Space frames are truss like rigid lightweight structures constructed in geometric patterns from interlocking struts. Space frames are used over large spans with less interior supports.
Components of Space Frame SystemMain components of Space frames are:
These members can resist tension and compression of circular and rectangular sections.
2. JointsThese members are used to connect tube or pipe pieces of the space frames.
Also read : Load Bearing Structure
What is the purpose of a space frame?Space frames can be used for the long span with less or without interior supports. These structures have the combination of beams, columns and slabs to resist the gravity and lateral loads. Like truss, space frames are also strong due to the intrinsic rigidity of triangle.
Applications of Space Frame StructureSpace frames structures are:
Advantages of Space Frame Structure are as follows:
Disadvantages of Space Frame Structure are as follows:
Generally space frames are designed by rigidity matrix. As architectural space frames are independent to the angular factors of the structure. If the joints of the space frames are perfectly rigid then the angular deflection in the structure are neglected for the simplification of the calculations.
The easiest and simplest form of space frames are horizontal slab from tubular steel of interlocking squares. It is connected in such a way that it looks wider and used over the large span.
These frames are commonly used in modern constructions.
Limitations of Space Frame StructureSpaces frames are different types. Some of them are discussed below:
1. Barrel VaultThese types of space frames does not need any kind of extra support but have interior cross sections as a internal support.
2. Double Layer GridIn these types of space frames two layers of elements are arranged in such a way that they are parallel to each other and also are diagonally connected to each other.
3. Flat Cover
In these types of space frames multiple planar elements are used as a substructure. Each and every element of the structure is supported diagonally and uniform weight distribution over the horizontal slab.
4. Single layer GridIn these types of space frames elements are arranged in single layer and are parallel to each other and connected diagonally.
5. Spherical DomesThese types are one of the complex shapes of the space frames. These types of frames requires so many extra support from the outside of the structure or sometimes pyramid shaped modules are used.
6. Triple Layer GridThese types of frames has three layered elements arranged in such a way that they are parallel to each other . Also these are connected diagonally to each other and the structure created are almost flat.
Space Frame Structure Examples 1. Eden Project – Cornwall, England
Eden Project, Cornwall, England is the example of space frames structure. It is a multiple greenhouse complex. It is located at St. Blazey, Cornwall, England, UK.
This project covers 15 hectares of land. This project was envisaged by Tim Smit and Jonathan Balls and designed by Grimshaw Architects. This projects takes 2.5 years for completion.
2. Sochi International Airport – Sochi, RussiaSochi Airport’s infrastructure is made up of space frames. It is one of the best and largest airports in Russia. This airport is certified for its best suitability of international flights by the Aviation Register of the MAC.
This airport has two artificial runways with its taxiways network. It’s building has 3 floors with total area of 62,000 squares meter.
3. McCormick Place East – Chicago, USMcCormick Place is the largest conference centre in North America. Many meetings and trade shows are hosted here. It’s building is also constructed by the space frames to get wider area.
4. Arena das Dunas – Natal, BrazilArena das Dunas is the football stadium at Natal, Brazil. This building is beautifully designed and constructed by space frames.
Also Read: Tube Frame Structure
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