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三峡工程永久船闸地下输水系统斜井具有数量多、长度短、体型复杂、边墙高度逐渐变化等特点。混凝土施工采用全断面变径滑模新工艺,斜井直段一次浇筑成型,洞身高度变化在滑升过程中自动完成,比其它施工方法有较大的优势。
The permanent ship lock of the Three Gorges Project has many features such as large number of inclined shafts, short length, complicated body shape and gradual changes in the height of the side wall. Concrete construction uses full-face reduction sliding mode new technology, incline straight section of a pouring molding, hole height changes automatically completed in the process of sliding, compared with other construction methods have greater advantages.