PSI - Issue 58

Yazmin Sahol Hamid et al. / Procedia Structural Integrity 58 (2024) 130–136 Yazmin Sahol Hamid et al. / Structural Integrity Procedia 00 (2019) 000–000

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3. Finite element analysis of the intra-module connections using Abaqus The Welded Flange Bolted Web connection (WFBW) control model was based on BS EN 1993:1-1 (2005). This model has a half-span UK PFC beam, CHHF column, two equal-sized S275 steel fin plates, M12 bolts, and a hexagonal diaphragm. Fig. 2 shows the control model assembly. Solid/Continuum 3D deformable elements represented all components. The bolt was modeled using Revolution, while the plate, circular hollow column, and channel beam were modeled using Extrusion.

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Fig. 1. (a) Location of modular connections (Lacey et al. (2018)); (b) Dimension of the proposed hexagonal module.

Fig. 2. Assembly of the control model in ABAQUS.

Subsequently, four connection models with various parameter modifications were simulated in ABAQUS to address diverse structural engineering applications. The models include the WFBW, BW, a change in steel grade, and a staggered bolt arrangement, each tailored for specific structural design purposes, enabling engineers to choose the most suitable model for their project's requirements and safety considerations. The efficacy of staggered and non staggered bolt configurations (see Fig. 3.) in intramodular connections is compared in this study, with the former