Document Type : Original Research Article


1 NRU Moscow State University of Civil Engineering, Moscow, Russia

2 Vladimir State University named after Alexander and Nikolay Stoletovs, Vladimir, Russia

3 Belgorod State Technological University named after V.G. Shukhov, Belgorod, Russia


Collapsible joint systems always have benefits in speed and ease of installation; consequently, they are in demand in modern construction. The present article aims to describe one of the possible types of connection based on aluminum connectors. It is attempted to determine the mechanical strength of the connection with different types of connectors. To meet the aim of the study, methods of numerical and full-scale experiments with the comparison of the obtained research results are utilized. Moreover, the experimental study was carried out on the test bench of the VlSU laboratory.  It has been established that the destruction of the joint is plastic in nature and is expressed in the gradual pulling out of the angels from the body of the wood beams. The correlation between the increase in load and deformations in the numerical and laboratory experiments is close; the discrepancies are 7-11%. The potential destruction in the numerical experiment was recorded with the values of forces 17-23% higher than the experimental data, which is justified by the greater magnitude of the removal of the nails from the body of the wood. The use of connections on aluminum connectors increases the operational reliability of structures by increasing their life cycle.

Graphical Abstract

Prolongation of the life cycle of wooden structures due to the use of joints on aluminum connectors


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