1975年召开的第一次长江中下游护岸工程经验交流会曾总结了各种形式护岸工程的适用条件,指出在受潮流作用、泥沙堆积的长江口地区,用丁坝促淤造滩、保护江岸取得了良好的效果。但是在长江中下游水深流急的地段,丁坝护岸是不宜采用的。通过近20年来护岸工程的进一步实践,这种观点愈来愈广泛为人们所接受。安徽省长江修防 The first experience exchange meeting for revetment works along the middle and lower reaches of the Yangtze River in 1975 summed up the applicable conditions for various forms of revetment projects and pointed out that in the Changjiang Estuary area affected by the tidal current and sediment accumulation, got a good result. However, in the middle and lower reaches of the Yangtze River where the water depth and urgency, groyne revetment is not suitable for use. Through further practice of revetment projects in the past two decades, this view has become more and more widely accepted by people. Anhui Province, Changjiang River repair defense