Deadweightloading simulating that of the bolts was applied at the bolt holes through the agency of steel balls and buttons.
螺栓荷载是用死荷重来模拟的，以钢球和压钮作为代用件，通过它们将此荷载施加于螺栓孔。
2
The loading of a tubular busbar is equivalent to that of a large-span beam, and the stress on the cross -section is mainly the tensile stress of the deadweight bending moment with much deflection.