Abstract
In order to further popularize the application of glass fiber reinforced resin matrix composite material in transmission tower, the axial compression bearing capacity test of two cross-section types of composite material rods, including solid round mandrel and hollow round pipe, was carried out, which provided data reserve for the standardization of calculation formula of axial compression bearing capacity of composite material rod. In this paper, the applicability and influence factors of Euler formula and yield criterion stability calculation method were analyzed, the test data were fitted, and the value of the key coefficient in the calculation formula of the axial pressure stability coefficient of composite material compression bar of circular section was proposed, which provided support for the standardization of the calculation method of the bearing capacity of composite material compression bar for transmission tower.
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