| 摘要 |
PROBLEM TO BE SOLVED: To enhance various functions and reduce contained air quantity in a cement-based filler after kneading. ! SOLUTION: In a method for producing a cement-based filler, the filler after cement, water and an additive are kneaded in a mixer is: charged in the space in vacuum of a device M; rotated by a rotary vessel 3 rotating at high speed in the space; discharged toward a surrounding direction of the rotary vessel 3 by centrifugal action while kneading; passed through barriers (31, 30) with a double structure having a plurality of mesh-like pores around the rotary shaft 41 of the rotary vessel 3; and collided with a pore-less barrier (120) disposed around the rotary vessel 3 and then air bubbles contained in PC grout are broken while being expanded in vacuum. ! COPYRIGHT: (C)2015,JPO&INPIT |
