Numerical Study on the Flexural Performance of Fully Bolted Joint for Panelized Steel Modular Structure
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| Veröffentlicht in: | Buildings vol. 15, no. 20 (2025), p. 3807-3829 |
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| 045 | 2 | |b d20251015 |b d20251031 | |
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| 100 | 1 | |a Wang, Hao |u College of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China; 13672067512@163.com (H.W.); li15033069758@163.com (X.L.); 13820923276@163.com (C.T.); wangxuyue87@126.com (X.W.) | |
| 245 | 1 | |a Numerical Study on the Flexural Performance of Fully Bolted Joint for Panelized Steel Modular Structure | |
| 260 | |b MDPI AG |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a To investigate the initial rotational stiffness and ultimate moment of fully bolted connections in panelized steel modular structures, a finite element analysis was carried out on 20 joint models. High-fidelity models were developed using ABAQUS, and their accuracy was confirmed through comparison with experimental tests. A parametric study was performed to systematically evaluate the effects of the column wall thickness in the core zone, internal diaphragm configurations, angle steel thickness, and stiffener layouts on the joint stiffness and ultimate strength, leading to practical optimization suggestions. Additionally, a mechanical model and a corresponding formula for predicting the initial rotational stiffness of the joints were proposed based on the component method in Eurocode EC3. The model was validated against the finite element results, showing good reliability. Three failure modes were identified as follows: buckling deformation of the beam flange, buckling deformation of the column flange, and deformation of the joint panel zone. In joints with a weak core zone, both the use of internal diaphragms and increased column wall thickness effectively improved the initial rotational stiffness and ultimate bearing capacity. For joints with weak angle steel connections, adding stiffeners or increasing the limb thickness significantly enhanced both the stiffness and capacity. The diameter of bolts in the endplate-to-column flange connection was found to have a considerable effect on the initial rotational stiffness, but minimal impact on the ultimate strength. This study offers a theoretical foundation for the engineering application of panelized steel modular structural joints. | |
| 653 | |a Load | ||
| 653 | |a Modular engineering | ||
| 653 | |a Mechanical properties | ||
| 653 | |a Finite element method | ||
| 653 | |a Columns (structural) | ||
| 653 | |a Deformation | ||
| 653 | |a Stiffness | ||
| 653 | |a Buckling | ||
| 653 | |a Wall thickness | ||
| 653 | |a Bolted joints | ||
| 653 | |a Onsite | ||
| 653 | |a Friction | ||
| 653 | |a Construction | ||
| 653 | |a Stiffeners | ||
| 653 | |a Ultimate tensile strength | ||
| 653 | |a Failure modes | ||
| 653 | |a Steel | ||
| 653 | |a Ductility | ||
| 653 | |a Energy dissipation | ||
| 653 | |a Mathematical models | ||
| 653 | |a Seismic engineering | ||
| 653 | |a Modular structures | ||
| 653 | |a Building codes | ||
| 653 | |a Bearing capacity | ||
| 653 | |a Diaphragms | ||
| 700 | 1 | |a Li, Xuetong |u College of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China; 13672067512@163.com (H.W.); li15033069758@163.com (X.L.); 13820923276@163.com (C.T.); wangxuyue87@126.com (X.W.) | |
| 700 | 1 | |a Tian Conghe |u College of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China; 13672067512@163.com (H.W.); li15033069758@163.com (X.L.); 13820923276@163.com (C.T.); wangxuyue87@126.com (X.W.) | |
| 700 | 1 | |a Cui Jintao |u College of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China; 13672067512@163.com (H.W.); li15033069758@163.com (X.L.); 13820923276@163.com (C.T.); wangxuyue87@126.com (X.W.) | |
| 700 | 1 | |a Wang Xuyue |u College of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China; 13672067512@163.com (H.W.); li15033069758@163.com (X.L.); 13820923276@163.com (C.T.); wangxuyue87@126.com (X.W.) | |
| 700 | 1 | |a Zhao, Chuan |u China MCC22 Group Co., Ltd., Tangshan 063000, China | |
| 700 | 1 | |a Li, Yanlai |u China MCC22 Group Co., Ltd., Tangshan 063000, China | |
| 773 | 0 | |t Buildings |g vol. 15, no. 20 (2025), p. 3807-3829 | |
| 786 | 0 | |d ProQuest |t Engineering Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3265841266/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3265841266/fulltextwithgraphics/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3265841266/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |