Experimental studies of dowel connections of steel structural elements
https://doi.org/10.22227/1997-0935.2025.10.1522-1533
Abstract
Introduction. Connections of steel construction elements are made using rivets, bolts and welding. To fasten thin sheet steel membrane sheathing, especially galvanized, high-strength dowels can be used as a connection element, installed by means of gunpowder charges or pressing into pre-made holes in the elements to be connected.
Materials and methods. Experimental studies were carried out using three types of specimens. The specimens consisted of 0.5 and 0.7 mm thick galvanized steel sheets, which were fixed to a 3 mm thick steel plate using 3 mm high-strength dowels. The possibility of using these dowels with 6 and 10 mm thick steel plates was considered, including into pre-drilled holes with a diameter of 2 mm.
Results. Dowels with a diameter of 3 mm pierced a steel plate with a thickness of 3 mm and firmly fixed a galvanized sheet with a thickness of 0.5 and 0.7 mm. The failure pattern of the specimens depending on the number and location of the dowels was determined. With two dowels, the steel galvanized sheet was observed to fail in the area of the dowels. At four dowels the galvanized steel sheet was destroyed outside the dowel joint in the form of steel plat.rupture. It was found that the full length of 3 mm diameter dowels did not fit into the 6 and 10 mm thick plates. When holes with diameters of 2, 2.5 and 3 mm are made in these plates, the full length of the dowels can be installed.
Conclusions. Experimental studies of dowel joints of thin-sheet galvanized steel have shown that even household dowels have high strength and stability of parameters and can be used to connect load-bearing elements of steel structures.
About the Author
A. R. Tusnin
Moscow State University of Civil Engineering (National Research University) (MGSU)
Russian Federation
Russian Federation
Aleksandr R. Tusnin — Doctor of Technical Sciences, Professor, Head of the Department of Metal and Timber Structures, Director of the Institute of Industrial and Civil Engineering
26 Yaroslavskoe shosse, Moscow, 129337
RSCI AuthorID: 455914, Scopus: 6507367654, ResearcherID: U-2546-2018
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Review
For citations:
Tusnin A.R. Experimental studies of dowel connections of steel structural elements. Vestnik MGSU. 2025;20(10):1522-1533. (In Russ.) https://doi.org/10.22227/1997-0935.2025.10.1522-1533
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