:1993年 8月沟后水库混凝土面板坝溃决使国内外坝工界震惊。经过科学论证 ,沟后面板坝于 90年代后期开始修复 ,修复工程同样受到坝工界的关注。修复后的沟后面板坝坝高 5 5 3m ,比原坝降低了 16m。在建设中经过精心设计、精心施工 ,使施工工艺到位 ,确保了施工质量 : In August 1993, the collapse of the ditch concrete slab dam in Ditchhouses led to a shock at home and abroad in the dam industry. After scientific proof, the ditch dams began to be restored in the late 1990s, and the restoration works were equally concerned by the dam industry. After the restoration of ditch dams dam high 553m, lower than the original dam 16m. In the construction of well-designed, meticulous construction, construction technology in place to ensure the quality of construction