Tensegrity Systems for Double-Layer Space Structures

2009 ◽  
Author(s):  
R. Motro
Keyword(s):  
Double Layer ◽  
Space Structures ◽  
Tensegrity Systems

60. Double-layer space structures of laminated timber tubular members

1993 ◽  
pp. 1: 563-572 ◽  
Author(s):  
J. Estevez ◽  
J. Pablos ◽  
S. Muniz ◽  
M. Freire ◽  
R. Vazquez ◽  
...  
Keyword(s):  
Double Layer ◽  
Space Structures

PRESTRESSING TENSEGRITY SYSTEMS — APPLICATION TO MULTIPLE SELFSTRESS STATE STRUCTURES

2004 ◽  
Vol 04 (04) ◽  
pp. 543-557 ◽  
Author(s):  
J. AVERSENG ◽  
B. CROSNIER
Keyword(s):  
Double Layer ◽  
Correct Order ◽  
Simple Method ◽  
Stress Control ◽  
Normal Forces ◽  
Tensegrity Systems ◽  
Stress Levels ◽  
Tension And Compression ◽  
Implementation Stage ◽  
Prestressed Structures

Stress control is a major issue in the development of prestressed structures like the tensegrity systems that gain from it equilibrium and stability. In this paper, we present a simple method for adjusting the whole set of normal forces in this kind of structure, based on a combination of influences determined from the unit variations of rest lengths for a reduced set of active cables. According to an elementary criterion, tension and compression forces are kept in a reduced domain during the implementation stage in order to avoid unwanted transitory stress levels. The process is then simulated to retrieve the modifications for actual lengths that are to be implemented in the correct order. Finally, we describe the application of this method on a 1:1 scale double layer tensegrity grid.

Tensegrity Systems

2003 ◽  
Vol 18 (2) ◽  
pp. 77-84 ◽  
Author(s):  
R. Motro ◽  
V. Raducanu
Keyword(s):  
System Theory ◽  
Double Layer ◽  
General Category ◽  
Tensegrity Systems ◽  
Entire World ◽  
The Way

This paper is a contribution to Tensegrity Systems understanding. The first part is devoted to a clarification of definitions. Among all the definitions that are known, we suggest a first one based on the description which is given in the three main patents, filed by Emmerich, Fuller and Snelson. We submit then an “extended definition”. According to this definition, tensegrity systems can be regarded as a pure field of forces satisfying some specific conditions. A double layer grid, which fulfils this definition is described. In the second part, tensegrity systems are placed within the general category of tensile structures. It can be seen that this work paves the way to an improvement within the entire world of shapes. Finally we give an example of tensegrity system theory applied to biology and developed by D. Ingber.

Space Truss Displacement Method for Plate-Cone Reticulated Shell

2013 ◽  
Vol 427-429 ◽  
pp. 7-9
Author(s):  
Xing Wang ◽  
Chao Feng ◽  
Nie Chen
Keyword(s):  
Mechanical Behavior ◽  
Double Layer ◽  
Space Structures ◽  
Displacement Method ◽  
Space Truss ◽  
New Type ◽  
Internal Forces

Plate-cone reticulated shell is a new type of space structures with good mechanical behavior and technical economy. In this dissertation, plate-cone reticulated shell is equated to double-layer reticulated shell with two kinds of material members. The internal forces and the displacement of plate-cone reticulated shell can be calculated by space truss displacement method.

Structural–Architectural Integration of Double-Layer Space Structures in Tall Buildings

2013 ◽  
Vol 19 (4) ◽  
pp. 219-228 ◽  
Author(s):  
Hendry Yahya Sutjiadi ◽  
Andrew W. Charleson
Keyword(s):  
Double Layer ◽  
Tall Buildings ◽  
Space Structures

scholarly journals Direct Displacement Control of Deformed Double Layer Dome

2020 ◽  
Vol 4 (6) ◽  
Author(s):  
Najmadeen Mohammed Saeed ◽  
Shna Jabar Abdulkarim ◽  
Hawkar Ali Haji
Keyword(s):  
Double Layer ◽  
Direct Method ◽  
Space Structures ◽  
Structural System ◽  
Structural Shape ◽  
Force Method ◽  
Concert Halls ◽  
Shape Restoration ◽  
Service Conditions ◽  
Shape Adjustment

Space structures such as double layer dome is light and active structural system that used for various structural application, for instance structural covers large areas such as exhibition halls, stadium and concert halls. They are aesthetically pleasing in appearance as well as the architectural requirement, in which tolerances of structural shape under changing service conditions are very significant, which high appearance accuracy is requested in some applications. Due to many reasons such as loading, these type of structures may suffer from a noticeable deflection, which leads to a significant potential undesired appearance of the shape. In this situation, the displacements may need to be reduced or eliminated. In this study, by applying the shape adjustment technique that its scheme is depend on the linear force method, shape restoration is performed to the double layer dome model in three different cases corresponding to the directions of loadings were considered. The improvement of controlling nodal displacement can be achieved through using a rather simple and direct method, due to calculating necessary length of actuators by applying a single formulation. It is found that if the number of provided actuators are satisfactory, controlling of all the displaced joints could be performed by a very small percentage of discrepancy, even if the controlled joints connection is not direct with the adjustable members. The technique of shape adjustment is very efficient for double layer dome model, and it can roughly eliminate the displacement of definite joints (Exterior joints only) by simply changing the length of certain bars by eo amount

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