| 摘要 |
A lightweight intermediary aggregate for producing lightweight aggregate construction material is disclosed, in which expanded plastic beads are coated with an adhesive mixture comprising 50 to 100% viscous soil, 0 to 50% Portland cement, 0 to 6% sand, 0 to 10% calcium hydroxide, 0 to 4% sodium silicate together with an appropriate amount of water to form an intermediary layer. The lightweight intermediary aggregate is then fired to form the lightweight aggregate or cement mortar is additionally coated as an outer coating over the intermediary layer and cured.
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