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Initial axial stiffness of welded RHS T joints

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Initial axial stiffness of welded RHS T joints. / Garifullin, Marsel; Bronzova, Maria; Pajunen, Sami; Mela, Kristo; Heinisuo, Markku.

In: Journal of Constructional Steel Research, Vol. 153, 01.02.2019, p. 459-472.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Garifullin, M, Bronzova, M, Pajunen, S, Mela, K & Heinisuo, M 2019, 'Initial axial stiffness of welded RHS T joints', Journal of Constructional Steel Research, vol. 153, pp. 459-472. https://doi.org/10.1016/j.jcsr.2018.10.025

APA

Garifullin, M., Bronzova, M., Pajunen, S., Mela, K., & Heinisuo, M. (2019). Initial axial stiffness of welded RHS T joints. Journal of Constructional Steel Research, 153, 459-472. https://doi.org/10.1016/j.jcsr.2018.10.025

Vancouver

Garifullin M, Bronzova M, Pajunen S, Mela K, Heinisuo M. Initial axial stiffness of welded RHS T joints. Journal of Constructional Steel Research. 2019 Feb 1;153:459-472. https://doi.org/10.1016/j.jcsr.2018.10.025

Author

Garifullin, Marsel ; Bronzova, Maria ; Pajunen, Sami ; Mela, Kristo ; Heinisuo, Markku. / Initial axial stiffness of welded RHS T joints. In: Journal of Constructional Steel Research. 2019 ; Vol. 153. pp. 459-472.

Bibtex - Download

@article{1cc5587558ea448890417da10b6f412c,
title = "Initial axial stiffness of welded RHS T joints",
abstract = "Recently, CIDECT (International Committee for the Development and Study of Tubular Structures) has proposed the component method as a unified approach for the design of many types of connections, including welded tubular joints. Although CIDECT provides clear and simple equations for the resistance of welded tubular joints, the design of initial stiffness remains complicated and includes a number of uncertainties. This paper analyzes the theoretical approach for the initial axial stiffness of rectangular hollow section T joints. The validation against experimental data has shown that the component method considerably overestimates the stiffness of T joints. The paper develops new equations for the stiffness of the components “chord face in bending” and “chord side walls in compression”. The equations are based on simplified mechanical models, employing finite element analyses to calculate the parameters for which analytical solutions are found extremely complicated. In addition, the article numerically investigates the effect of chord axial stresses on the axial stiffness of joints and proposes a corresponding chord stress function.",
keywords = "Axial stiffness, Component method, Initial stiffness, Rectangular hollow section, Tubular joint",
author = "Marsel Garifullin and Maria Bronzova and Sami Pajunen and Kristo Mela and Markku Heinisuo",
year = "2019",
month = "2",
day = "1",
doi = "10.1016/j.jcsr.2018.10.025",
language = "English",
volume = "153",
pages = "459--472",
journal = "Journal of Constructional Steel Research",
issn = "0143-974X",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Initial axial stiffness of welded RHS T joints

AU - Garifullin, Marsel

AU - Bronzova, Maria

AU - Pajunen, Sami

AU - Mela, Kristo

AU - Heinisuo, Markku

PY - 2019/2/1

Y1 - 2019/2/1

N2 - Recently, CIDECT (International Committee for the Development and Study of Tubular Structures) has proposed the component method as a unified approach for the design of many types of connections, including welded tubular joints. Although CIDECT provides clear and simple equations for the resistance of welded tubular joints, the design of initial stiffness remains complicated and includes a number of uncertainties. This paper analyzes the theoretical approach for the initial axial stiffness of rectangular hollow section T joints. The validation against experimental data has shown that the component method considerably overestimates the stiffness of T joints. The paper develops new equations for the stiffness of the components “chord face in bending” and “chord side walls in compression”. The equations are based on simplified mechanical models, employing finite element analyses to calculate the parameters for which analytical solutions are found extremely complicated. In addition, the article numerically investigates the effect of chord axial stresses on the axial stiffness of joints and proposes a corresponding chord stress function.

AB - Recently, CIDECT (International Committee for the Development and Study of Tubular Structures) has proposed the component method as a unified approach for the design of many types of connections, including welded tubular joints. Although CIDECT provides clear and simple equations for the resistance of welded tubular joints, the design of initial stiffness remains complicated and includes a number of uncertainties. This paper analyzes the theoretical approach for the initial axial stiffness of rectangular hollow section T joints. The validation against experimental data has shown that the component method considerably overestimates the stiffness of T joints. The paper develops new equations for the stiffness of the components “chord face in bending” and “chord side walls in compression”. The equations are based on simplified mechanical models, employing finite element analyses to calculate the parameters for which analytical solutions are found extremely complicated. In addition, the article numerically investigates the effect of chord axial stresses on the axial stiffness of joints and proposes a corresponding chord stress function.

KW - Axial stiffness

KW - Component method

KW - Initial stiffness

KW - Rectangular hollow section

KW - Tubular joint

U2 - 10.1016/j.jcsr.2018.10.025

DO - 10.1016/j.jcsr.2018.10.025

M3 - Article

VL - 153

SP - 459

EP - 472

JO - Journal of Constructional Steel Research

JF - Journal of Constructional Steel Research

SN - 0143-974X

ER -