Study of the Stress-strain State of Frame Structures of Tractor Trailers

In the article, an example of a tractor trailer with a load-carrying capacity of 4 tonnes is used to demonstrate how to determine the stress-strain state of the trailer frame. The outcomes of theoretical and experimental researches are compared. The deviations of maximum values of stress when driving on a road with a satisfactory tar coating are within 4%, 10% on gravel roads with worn areas, 11% on a rotary strip with ridges in height of 8-12 cm and step of 90 cm, and 9% on a deep ditch depth of 40-45 cm and width of 100-150 cm, according to research. The calculations take into account the cotton-producing countries’ unique road conditions, which are divided into four groups. The proposed approach of calculating the stress-strain condition of the frame agrees well with actual data (highest stress values in the range of 11 percent) and can be used to justify tractor-trailer strength specifications.

Author (S) Details

Anvar A. Togaev
Department Technological Reliability of Machines, Technological Reliability of Machines, Tashkent State Transport University, Tashkent, Uzbekistan.

Abdulaziz A. Shermukhamedov
Department Technological Reliability of Machines, Tashkent State Transport University, Tashkent, Uzbekistan.

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