Analysis and Treatment of Transverse Cracks in the Boom of Portal Crane
A transverse crack occurred simultaneously at the flange plate and web plate at the variable cross-section position of the boom of a certain gantry crane,and the crack intersected at the connection weld between the flange plate and the web plate,affecting the safe use of the equipment.Based on the on-site investigation results,combined with theoretical calculations,relevant testing data,and usage,analyze the causes of cracks,develop repair plans,prevent crack propagation,and restore the safe use of the equipment.
NETL
NSTL
万方数据
