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JRM Vol.21 No.2 pp. 172-178
doi: 10.20965/jrm.2009.p0172
(2009)

Paper:

A Study on Adaptive Arch Structure Applying Variable Geometry Truss (Mechanism of Movable Arch Roof with External Panel)

Fumihiro Inoue

Technical Research Institute, Obayashi Corporation, 4-640 Shimokiyoto, Kiyose-shi, Tokyo 204-8558, Japan

Received:
October 6, 2008
Accepted:
December 15, 2008
Published:
April 20, 2009
Keywords:
VGT, adaptive structure, arch structure, external panel mechanism, movable roof pavilion
Abstract

This paper describes a movable arch roof with external panels as an actual design of an adaptive structure using a VGT (Variable Geometry Truss) mechanism comprising an elementary truss structure with extendable members. This movable arch structure comprises several VGT units jointed in series and pin jointed at each end. It is a stable structure because its edge is restrained, but this reduces its variety of shape change. Various arch shapes can be determined by using inverse analysis to solve the structure shape from the member lengths. An actual movable roof pavilion composed of such a movable arch and an external panel was designed, and the behaviors of a movable roof and the joint mechanism of the roof elements were verified by numerical simulation and a model experiment. As a result, the performance of the proposed movable roof structure was confirmed, and the basic technology and design approach were established.

Cite this article as:
F. Inoue, “A Study on Adaptive Arch Structure Applying Variable Geometry Truss (Mechanism of Movable Arch Roof with External Panel),” J. Robot. Mechatron., Vol.21, No.2, pp. 172-178, 2009.
Data files:
References
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Last updated on Jun. 04, 2020