Testing of the steel cylindrical mesh shell model
Abstract
Testing of the steel cylindrical mesh shell model
Incoming article date: 16.07.2022The optimal ratio of geometric parameters is found, taking into account the rational distribution of forces on the surface and the minimal change in the shape of the cylindrical mesh shell. As part of the increase in overall dimensions to determine the bearing capacity of the structure, a research program was compiled, an experimental installation was designed and tests were carried out on a physical model. According to the results of the conducted studies, the necessary parameters of the stress-strain state of the shell were determined. The effectiveness of the methods of strengthening the system supports using puffs and horizontal trusses was tested. The regularities of the shell behavior under conditions of full and unilateral application of loads are established. The influence of reinforcement methods on the general condition of the mesh surface is investigated. The degree of unloading of the rod system in the case of horizontal trusses was determined and a significant increase in the load-bearing capacity of the structure was established due to the use of tightening in the support zone.
Keywords: cylindrical mesh shell, geometric parameter, reinforcing element, tightening, horizontal truss