ete crack been applicable to have influence or have already defend Shen request to the structure whole of repair, it is make use of pressure equipments gum knot the material press into the crack of concrete, gum knot the material harden behind and concrete formation one be whole, thus reinforce of purpose.The mon use gum knot material has the cement the syrup, epoxy, A Ji C Xi sour ester and gather ammonia ester to equalize to learn material.Р The Qian sew a method is that the crack be a kind of most mon use method in, it usually is follow the crack dig slot, the Qian fill Su in the slot or rigid water material with attain closing crack of purpose.The mon use Su material has PVC gum mire, plastics ointment, the D Ji rubber etc.;mon use rigid water material is the polymer cement sand syrup.
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