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Theoretical Substantiation of Strength of Joints of Composite Multi-Component Structures on Steel Plate Dowels
https://orcid.org/http://orcid.org/0000-0002-1995-6139
https://orcid.org/http://orcid.org/0009-0000-5486-1744
Multi-component structures include load-bearing elements made of different materials joined together by means of bonds. One of the types of mechanical bonds used to connect individual monoconstructs into a single load-bearing structure is steel plate dowels. The method of calculation of connections on plate dowels is based on the assumption of elastic-plastic work of the material of monoconstructs on buckling in the dowel sockets and full utilization of the bearing capacity of the steel dowel to bending. The strength calculation of such connections is based on the following assumptions: the strength limit state of the connection is taken as the state when the load-bearing capacity of the connection by buckling of the dowel socket material or bending of the dowel is completely exhausted; at construction of calculation formulas conditional stress-strain diagrams of buckling of one sign at the moment of failure of joints from buckling of material on the model of rigid-plastic body are accepted; actual curvilinear diagram of material work on buckling and steel at bending is approximated by straightened diagram of deformation of ideal elastic-plastic material; the dowel axis is assumed to be straight until plastic hinges are formed in it. According to the theory of calculating dowel joints, the design scheme for plate dowel joints in all cases is a single-slotted scheme. Formulas for calculating the ultimate force are obtained: at failure of the joint from complete buckling of the material in the dowel sockets, at bending of the dowel, the general case; at failure of connection with the formation of two plastic hinges in the dowel. The obtained dependences can be used in the design of multi-component structures of reconstructed historical buildings.
Theoretical Substantiation of Strength of Joints of Composite Multi-Component Structures on Steel Plate Dowels
https://orcid.org/http://orcid.org/0000-0002-1995-6139
https://orcid.org/http://orcid.org/0009-0000-5486-1744
Multi-component structures include load-bearing elements made of different materials joined together by means of bonds. One of the types of mechanical bonds used to connect individual monoconstructs into a single load-bearing structure is steel plate dowels. The method of calculation of connections on plate dowels is based on the assumption of elastic-plastic work of the material of monoconstructs on buckling in the dowel sockets and full utilization of the bearing capacity of the steel dowel to bending. The strength calculation of such connections is based on the following assumptions: the strength limit state of the connection is taken as the state when the load-bearing capacity of the connection by buckling of the dowel socket material or bending of the dowel is completely exhausted; at construction of calculation formulas conditional stress-strain diagrams of buckling of one sign at the moment of failure of joints from buckling of material on the model of rigid-plastic body are accepted; actual curvilinear diagram of material work on buckling and steel at bending is approximated by straightened diagram of deformation of ideal elastic-plastic material; the dowel axis is assumed to be straight until plastic hinges are formed in it. According to the theory of calculating dowel joints, the design scheme for plate dowel joints in all cases is a single-slotted scheme. Formulas for calculating the ultimate force are obtained: at failure of the joint from complete buckling of the material in the dowel sockets, at bending of the dowel, the general case; at failure of connection with the formation of two plastic hinges in the dowel. The obtained dependences can be used in the design of multi-component structures of reconstructed historical buildings.
Theoretical Substantiation of Strength of Joints of Composite Multi-Component Structures on Steel Plate Dowels
https://orcid.org/http://orcid.org/0000-0002-1995-6139
https://orcid.org/http://orcid.org/0009-0000-5486-1744
Multi-component structures include load-bearing elements made of different materials joined together by means of bonds. One of the types of mechanical bonds used to connect individual monoconstructs into a single load-bearing structure is steel plate dowels. The method of calculation of connections on plate dowels is based on the assumption of elastic-plastic work of the material of monoconstructs on buckling in the dowel sockets and full utilization of the bearing capacity of the steel dowel to bending. The strength calculation of such connections is based on the following assumptions: the strength limit state of the connection is taken as the state when the load-bearing capacity of the connection by buckling of the dowel socket material or bending of the dowel is completely exhausted; at construction of calculation formulas conditional stress-strain diagrams of buckling of one sign at the moment of failure of joints from buckling of material on the model of rigid-plastic body are accepted; actual curvilinear diagram of material work on buckling and steel at bending is approximated by straightened diagram of deformation of ideal elastic-plastic material; the dowel axis is assumed to be straight until plastic hinges are formed in it. According to the theory of calculating dowel joints, the design scheme for plate dowel joints in all cases is a single-slotted scheme. Formulas for calculating the ultimate force are obtained: at failure of the joint from complete buckling of the material in the dowel sockets, at bending of the dowel, the general case; at failure of connection with the formation of two plastic hinges in the dowel. The obtained dependences can be used in the design of multi-component structures of reconstructed historical buildings.
Theoretical Substantiation of Strength of Joints of Composite Multi-Component Structures on Steel Plate Dowels
Lecture Notes in Civil Engineering
Klyuev, Sergey Vasil'yevich (editor) / Vatin, Nikolay Ivanovich (editor) / Nabiullina, Karina Rashidovna (editor) / Yumagulova, Venera Maratovna (editor) / Klyuev, S. V. (author) / Toropov, A. S. (author)
International Conference on Recent Advances in Architecture and Construction ; 2024 ; Kazan, Russia
II International Scientific Conference "Recent Advances in Architecture and Construction" 2024 ; Chapter: 15 ; 116-125
2025-02-21
10 pages
Article/Chapter (Book)
Electronic Resource
English
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