| The project of the dyke is the last protective screen of defending the flood, and the important component of the flood-prevention project system too, once the dyke destroys exerting a tremendous influence to people's lives and properties and social economic development in the dyke . This text summarized and analysed the proportion appearing in type and dangerous situation of the dangerous situation of the dyke on the basis of stating characteristic of the dyke. Can find out , permeating has destroy and already become primary reason destroyed in dyked , it is that the project of the dyke will strengthen the main content dealt with in the future.According to the dyke body, the base influent characteristic of the dyke and principle of prevention of seepage, to vertical prevention of seepage measure, horizontal prevention of seepage measure, drain off water and reduce pressure measure and silt carry and pigeonhole and overlay characteristic and suitable situation of prevention of seepage carry on analysis and contrast. Have analysed the wall structure type of prevention of seepage, impact on result of prevention of seepage of parameter of wall of prevention of seepage through a picture of influent, have put forward the application condition on all closed, hanging type and semi-closed wall of prevention of seepage in the vertical scheme of prevention of seepage.With the constant progress of the construction machinery and technology, in the prevention of seepage of the dyke strengthens, a lot ripe vertical technology of prevention of seepage and new materials have appeared, it is lower and lower to build the unit cost of the wall of prevention of seepage, make walls of prevention of seepage generally adopt in the prevention of seepage of the dyke of our country strengthen, occupy the important status more and more in the prevention of seepage strengthens. Have compared from the respects, such as operation principle, characteristic, fabrication cost, suitable situation, constructing,etc. the vertical technology of prevention of seepage in the article, have put forward principle, method that the scheme of prevention of seepage and technology select for use. According to oozing the actual conditions defended in river embankment finally, chose dyke section of three pieces of representativeness, have proposed separately that two kinds of prevention of seepage strengthen the scheme, compare through overall analysis, have confirmed the optimum scheme of prevention of seepage, and has appraised to the result of prevention of seepage to the result of calculation according to the field analysis of the influent. |