| abstract |
(57) [Summary] [Objective] The purpose of the present invention is to construct a joint filler that can be filled into joints of a precast panel by using porous calcium silicate, which is a processed end material of ALC. [Constitution] 0.6mm under porous calcium silicate powder, 0.6mm to 2.5mm porous calcium silicate powder, 2.5mm to 5mm porous calcium silicate powder and normal Portland cement It is composed of mortar composed of solids blended in the proportions of 25%, 30%, 20% and 25% in volume percentage, water having a water / solids ratio of 45% by weight and a small amount of superplasticizer. . [Effect] The joint filling work of the precast panel can be carried out densely without leakage, and the waste product of porous calcium silicate can be effectively used. |