Download Tensegrity. Structural Systems for the Future by René Motro PDF

By René Motro

The be aware tensegrity effects from the contraction of 'tensional' and 'integrity', a be aware created by means of Richard Buckminster Fuller. He went directly to describe tensegrity constructions as 'islands of compression in an ocean of tension', and René Motro has built a complete definition that is 'systems in a solid self equilibriated procedure comprising a discontinuous set of compressed elements within a continuum of tensioned components'.

This e-book represents the lifestyles paintings of a number one exponent of a innovative and fascinating approach to structural layout.

* Represents the existence paintings of a number one exponent of a innovative and intriguing approach to structural design
* acceptable to structure as a longtime structural procedure, is also utilized to different fields
* layout pros could be capable of layout greater buildings. non-professionals will event the nice excitement of having the ability to claim ''I comprehend why the Hisshorn tower stands up''

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Extra info for Tensegrity. Structural Systems for the Future

Example text

24 Compression pre-stress In the first case, if the junction node is taken away from its initial location, the effects of the pre-stress of tension return it to this initial location: the infinitesimal mechanism is stabilised by the tension pre-stress. In the opposite case, the set will find an equilibrium state for a different location, corresponding to a geometry satisfying: E 3-5 lij = d 0 The compression pre-stress does not return the system to its initial configuration. The infinitesimal mechanism stabilisation by states of pre-stress (or self-stress) is an essential characteristic of tensegrity systems.

But this does not exclude other surfaces such as the torus, since it also possible in this case to know if a point (and the associated node) is inside the envelope or not. Consequently, a first proposal could be that a component is considered to be inside this envelope, if all its describing points are not on this frontier envelope, and if none of these describing points are outside this envelope. This first proposal is generally sufficient, but for some cases it might not be. If we want to have a more precise def'mition, we need to consider the compression lines: the ends of compressed components belong to the continuum of tension, whether one of them is, or is not, on the boundary.

22). Moreover, these rings can be a part of the whole building, and it can be difficult to identify them as a separate entity. But so far as structural performance is concerned, it is obvious that these cable-domes are very efficient. 4 Recent proposals In recent years some new proposals have been submitted and described as tensegrity systems. In Switzerland, Passera and Pedretti built some experimental systems [Ref 2-19] and developed calculations on several tensegrity systems in order to History and Definitions 29 participate in Expo 02.

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