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Strength performance of threaded-sleeve connector under axial force

Strength performance of threaded-sleeve connector under axial force A new type of threaded-sleeve connection, which shares excellent characters including efficient fabrication and good bearing capacity, together with convenient construction or deconstruction, has been proposed in this article, and it can be utilized in mid-span space grid structures. To evaluate the performance of threaded-sleeve connection, both theoretical analysis and numerical simulations are conducted. Apart from material strength of the connector itself, the effect of other factors such as pitch and rounds of the thread, diameter of the ball of connector, and wall thickness of the joints and the threaded sleeve on the performance of threaded-sleeve connection is discussed as well. Then, the formulas for the bearing capacity and stiffness of threaded-sleeve connection are developed and proposed. In addition, the performance test of full-scale connector is carried out to verify these formulas. It is illustrated that the experimental results are in good agreement with numerical ones which verified the effectiveness of the theoretical calculation method. Thus, the formulas enable to determine the strength and stiffness of the proposed connectors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Structural Engineering SAGE

Strength performance of threaded-sleeve connector under axial force

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Publisher
SAGE
Copyright
© The Author(s) 2016
ISSN
1369-4332
eISSN
2048-4011
DOI
10.1177/1369433216634506
Publisher site
See Article on Publisher Site

Abstract

A new type of threaded-sleeve connection, which shares excellent characters including efficient fabrication and good bearing capacity, together with convenient construction or deconstruction, has been proposed in this article, and it can be utilized in mid-span space grid structures. To evaluate the performance of threaded-sleeve connection, both theoretical analysis and numerical simulations are conducted. Apart from material strength of the connector itself, the effect of other factors such as pitch and rounds of the thread, diameter of the ball of connector, and wall thickness of the joints and the threaded sleeve on the performance of threaded-sleeve connection is discussed as well. Then, the formulas for the bearing capacity and stiffness of threaded-sleeve connection are developed and proposed. In addition, the performance test of full-scale connector is carried out to verify these formulas. It is illustrated that the experimental results are in good agreement with numerical ones which verified the effectiveness of the theoretical calculation method. Thus, the formulas enable to determine the strength and stiffness of the proposed connectors.

Journal

Advances in Structural EngineeringSAGE

Published: Jul 1, 2016

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