葛洲坝水利枢纽一期工程包括2号船闸、3号船闸、活动桥、六孔冲沙闸、7台水轮发电机组的二江电站及27孔泄水闸等主要建筑物。其中金属结构工程量约37,000吨,现分述如下。一、船闸2号和3号船闸的主要闸门特性见表1, 两座船闸的闸门及启闭机布置基本相同,2号船闸金属结构布置参见第6页图2。 The first phase of Gezhouba Dam project includes No.2 ship lock, No.3 ship lock, movable bridge, Liu Chong red sand sluice gate, Erjiang power station with 7 hydrogenerator units and 27-hole sluice gate. Among them, the construction of metal structures is about 37,000 tons, which are as follows. 1. The characteristics of the main gates of Ship Locks 2 and 3 are shown in Table 1. The layout of the gates and hoists of the two ship locks is basically the same. The metal structure layout of Ship No.2 is shown in Figure 2 on page 6.