| 摘要 |
PURPOSE:To reliably prevent collapse of a rock surface due to rockslide, by a method wherein, after turbid liquid, consisting of cement, an adhesive agent, and water which are mixed in the specified ratio, is sprayed in cracks in a rock for implanting, mortar, consisting of sand, cement, and an adhesive agent which are mixed in the specified ratio, is sprayed in the cracks in the rock for implanting. CONSTITUTION:Cement and an adhesive agent, being 10% of the cement, are mixed, and the mixture is added with water being capable of producing viscosity by dint of which a pressure-conveyance can be carried out. After turbid liquid 1 obtained through agitation is sprayed into cracks 2a, 2b and a dent 2c in a rock for implanting by means of a pump, an adhesive agent, being 2% of cement, is mixed in sand and cement mixed in the ratio 1:3, and water is added to the mixture to the extent to produce viscosity by dint of which a pressure conveyance can be performed by means of a pump. Mortar 3 obtained through the agitation is sprayed into the crack 2b and the dent 2c in the rock to stably secure and hold the rock. |
