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Research Article

Evaluating the SWS bolted connection strength of Bitis wood

Erwan Sukarman1, Abdul Razak Abdul Karim1, Norazzlina M.Sa’don1, Abdul Azim Abdullah1, Siti Hanim Sahari2, Nur Liza Rahim3, Pierre Quenneville4

1Faculty of Engineering, Universiti Malaysia Sarawak (UNIMAS), Malaysia
2Research, Development and Innovation Division, Forest Department Sarawak (FDS), Malaysia
3Faculty of Civil Engineering Technology, Universiti Malaysia Perlis (UniMAP), Malaysia
4Faculty of Engineering, The University of Auckland (UoA), New Zealand



Bitis wood; 

 Bolted connection; 

Wall-diaphragm connection; 

 Timber Standard

The current study was conducted to evaluate the strength of the steel-wood-steel (SWS) bolted connections of Bitis wood. The wood was chosen because it is commonly used as the structural elements of the as-built floor and roof diaphragms in Malaysian unreinforced masonry (URM) buildings. This present work was performed to continue the initiation of the wood database development for the purpose of retrofitting the wall-diaphragm connections of the URM building. The bolted connection testing was the main experimental investigation, where a total of eighteen groups of different connection configurations were tested, each consisting of ten specimens. The embedding strength tests, moisture content and density tests were also conducted to determine the wood's basic properties. The results obtained from this experimental study were utilized for verifying the prediction effectiveness of the existing design equations, namely the Malaysian Timber Standard (MS544-5), the European Yield Model (EYM), and the Row Shear Model (RSM). From the comparison made between the prediction values and the experimental results, the MS544-5 was found to be too conservative, whereas a combination of the EYM and RSM is recommended for predicting the bolted connection strength of the Bitis wood.

© 2023 MIM Research Group. All rights reserved.


20/04/2024 Collaboration for HSTD-2024Editorial Board of our journal and Organizing Committee of the III. International Conference on High-Speed Transport Development (HSTD) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.

20/04/2024 Collaboration for DSL2024-SS1Editorial Board of our journal and Organizing Committee of the DSL2024 Fluid Flow, Energy Transfer & Design (SS1) have agreed to collaborate. Extended versions of the selected papers from the session will be published in our journal. For more see Events. .

8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.

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2023 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.

2023 Best Paper Award:

The paper authored by Ferzan Fidan, Naim Aslan, Mümin Mehmet Koç entitled as “Morpho-structural and compressive mechanical properties of graphene oxide reinforced hydroxyapatite scaffolds for bone tissue applications” is awarded.

2023 Most Cited Paper Award:

The paper authored by Ercan Işık, Ehsan Harirchian, Hüseyin Bilgin, Kirti Jadhav entitled as “The effect of material strength and discontinuity in RC structures according to different site-specific design spectra" is awarded.


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