| 摘要 |
<p>PURPOSE:To provide a deep mixing method for treating a soft ground whereby the setting time of an improved soil after mixing a soft soil with a hardener is long. the development of the initial strengths is inhibited, and the long-term strengths of a ground is obtained and to provide a hardener added to a soft soil in the above method by specifying the amts. of alite and belite contained in the hardener. CONSTITUTION:A soft ground is stabilized by a deep mixing method using a cement-base hardener which satisfies the conditions that the binder used contains up to 1wt.% free lime and that 100 pts.wt. soft soil is mixed under stirring with 0-3 pts.wt. alite (3CaO.SiO2), 4-20 pts.wt. belite (2CaO.SiO2), and 0-18 pts.wt. water-granulated blast-furnace slag provided the sum of the amts. of alite, belite, and the slag is 7 pts.wt. or higher.</p> |
