For small gush of water or water leaked from crack on the surface to be shotcreted rock face grouting or tube piloted discharge should be applied before shotcreting.
受喷面的小股水或裂隙渗漏水宜采用岩面注浆或导管引排后再喷混凝土。
For small gush of water or water leaked from crack on the surface to be shotcreted rock face grouting or tube piloted discharge should be applied before shotcreting.
受喷面的小股水或裂隙渗漏水宜采用岩面注浆或导管引排后再喷混凝土。
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