| 摘要 |
PURPOSE:To provide an efficient production method for special underwater concrete with high quality. CONSTITUTION:Hydroxypropyl methyl cellulose powder treated with glyoxal, as a thickener, is preliminarily mixed with an aqueous solution of a triazine type fluidizing agent of which the concentration has been increased so that it becomes a slurry state mixture when it is mixed with powder of the thickener, as a fluidizing agent, and is agitated to store as a mixed slurry, and the mixed slurry is charged into concrete being in the kneaded state and is mixed to produce the special underwater concrete. |
