風乾がアッタベルグ限界に及ぼす影響
1965 年 1965 巻 14 号 p. 46-48
詳細
1965 年 1965 巻 14 号 p. 46-48
Atterberg's limit with the fresh soil is differentfrom that with the air-dried soil.
The authors investigated the influence of air-drying uponAtterberg's limit with several kinds of soil.
Results are as follows:-
1. The Kanto loam volcanic ash soil is located separately from the non-volcanic ash soil in the plasticity map.
2. Compared with the surface soil, the effect of air-dryingupon consitency is severer with the deep soil.
3. The younger is the age of soil formation, the severer isthe influence of air-drying upon consistency of the Kanto Loam volcanic ash soil.
Generally speaking, the liquid limit and the plastic limitare decreased by air-drying. These facts result from the decrease of affinity to water. Accordingly the preparation and testing of the hydrophilic soil in our country should be reconsidered.
