The southern No.2 liquefied chemical terminal in Gulei operation area of Gulei Port,Xiamen City is a large-scale complex liquefied dangerous cargo terminal integrating the large-scale shipbuilding,diversification of ship types,and diversification of loading and unloading functions.With L-shape layout,it achieved the intensive exploration of shoreline resources.Using a new type of steel pipe hanger arch bridge structure and three-dimensional π-shaped compensator,it saved the engineering investment.Using floating type anti-collision facilities,it solved the collision problems of trestle bridge in the deep water area.