Main parameters of waterway lock capacity

This paper analysed the lock capacity and its main influencing factors of the grand canal in the northern part of Jiangsu province. It is pointed that the barge and the boat of Shiqiao lock are mainly distributed in 100~300 t and 50~300 t, their average tonnages are 228 t and 168 t, and the relative utilization rates of lock chamber for the barge and the boat are focused between 0.4~0.7 and 0.6~0.7 in 2001. Analysis results show that ship type, ship tonnage and the relative utilization rate of lock chamber are the main influencing factors of lock capacity.