| 摘要 |
FIELD: construction. ^ SUBSTANCE: drill mixer as it rotates is axially impressed into soil. Water, dry binder (cement and/or lime) and air are introduced with the purpose of lubricating tool and diluting mixture of clayey soil, binder and air to form homogeneous structure, besides largest part of air leaks outside from mix before it hardens. ^ EFFECT: reduction of costs. ^ 10 cl, 1 dwg |
