葛洲坝水利枢纽金属结构与机械设备数量很大,合计约60,000吨,其中一期工程约37,000吨,设计情况简介如下:一、通航船闸在枢纽左侧的三江,布置有两条船闸:即3号船闸和2号船闸。3号船闸闸室有效通航尺寸为18×120×3.5米,其主要闸门与机械设备特性见表1. Gezhouba Hydro Project has a large metal structure and mechanical equipment with a total capacity of about 60,000 tons, of which about 37,000 tons are for the first phase of the project. The brief introduction of the design is as follows: 1. The navigation lock is arranged at Sanjiang on the left side of the junction with two locks: Ship Lock and Ship Lock 2. No.3 lock chamber effective navigation size 18 × 120 × 3.5 meters, the main gate and mechanical characteristics in Table 1.