No. 27: When the connected parts are subjected to lateral external force, if the ordinary bolts are used, the possible failure form of the bolts is ______.
A. shear or crush damage B. pull off
C. Breaking under the combined action of pulling and twisting D. Plastic deformation under the combined action of pulling and twisting
The previous review - the 26th stage of the bolt group connection subjected to the reverse (overturning) moment, the position of the bolt should be as far as possible away from the geometric center of the joint surface.
Answer analysis
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