Construction method of underwater riprap of Huaihe River;

The content of quality control and the standard for quality assessment of underwater riprap are expounded in accordace with related regulations issued by the Water Resources Ministry and in combination with the construction practice of underwater riprap for Yangtze Rivers dyke strengthening project, with emphases place.

It proves to be an important innovation to replace the traditional riprap spur dike with the pile spur dike in the areas of strong tidal area of Qiantang River,but the construction is facing the worst natural conditions and the lack of technical experience in dealing with.

Therefore, it is not appropriate to improve the stability of enrockment dam by simply increasing the block weight.

Analysis of washing-away dumped rockfill dam in mountain river;