From the analyses of the history of building the Yangtze River dykes in Jiangxi province,this paper makes an inquiry into the problems of the River dykes:the conditions about flood and waterlogging,dyke collapses,artificial effects,etc.

With the example of foundation consolidation and seepage protection in Lianggong section of Yangtze river main stream protection embankment, the paper introduces a new forming wall technology grooving forming wall construction technology equipment, principle and construction.

Review and assessment on strengthening Hunan section of Yangtze main dyke;