FORMATION METHOD OF SPRAY MATERIAL AND FORMATION DEVICE OF SPRAY MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a formation method of a spray material capable of preventing the scattering of a fiber material from a spray material and the clogging of a spraying nozzle without using a thickener and a quick setting material.SOLUTION: In a formation method of a spray material made of a cement mixture of a cement composition and water and sprayed to an object with a gas, a fiber material is added to a jet flow at a position apart from a spraying nozzle in a flow direction of the jet flow formed by jetting the cement mixture with the gas from the spraying nozzle.SELECTED DRAWING: Figure 2