Experimental research on the optimal pontoon axis in the 2nd stage river diversion for Merowe Hydroelectric Power Station in sudan;

With reference to the erection of the 150-m span Qingjiang Shihua Steel Arch Bridge,this paper introduces the application of floating and hauling construction technique to the erection of long span half-through basket handle steel arch bridges,and analyzes the key points and difficulties of the erection of monolithic steel arch blocks of the type of the bridges with the technique.

Taking the water conveying pipeline (DN2 000) project in Putian city of Fujian province as an example,this paper discusses about the floating construction method,procedure,technical control of quality and effects.