Based on the structure,shape,size and fixing method of the work basket in an anticorrosive construction site of Hong Kong-Zhuhai-Macao bridge,we analyze the support,basket and wire rope as the main force components,and calculate the static stresses in symmetric and asymmetric construction conditions by MIDAS FEM software,to ensure the safety of construction.By studying the swing amplitude of work basket in different wind speeds,loads and pendulum lengths,we get the restrictive condition that there is no harmful collide between the work basket and pier shaft,which provide useful reference for the design and check computation of similar construction.