締固め不飽和土の二次圧密について(IV) : 供試体の厚さと圧密時間の圧密特性への影響

島根大学農学部研究報告 Volume 5 Page 90-94 published_at 1971-12-15
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Title
締固め不飽和土の二次圧密について(IV) : 供試体の厚さと圧密時間の圧密特性への影響
Title
Secondary Consolidation of Compacted Partly Saturated Soils(IV) : The Influence of the Thickness of Specimens and the Duration of Consolidation on the Behaviour of Consolidation
Title Transcription
シメカタメ フホウワド ノ 2ジ アツミツ ニツイテ 4 シキョウタイ ノ アツサ ト アツミツ ジカン ノ アツミツ トクセイ エノ エイキョウ
Creator
Toriyama Koushi
Source Title
島根大学農学部研究報告
Bulletin of the Faculty of Agriculture, Shimane University
Volume 5
Start Page 90
End Page 94
Journal Identifire
ISSN 0370940X
Descriptions
Abstract
The characteristics of consolidation of compacted soils wet of optimum moisture content are changed with the thickness of sample H and the duration of consolidation T_c.
The coefficient of volume compressibility m_v of compacted soils greatly increases with the decrease of consolidation pressure p and with a decrease in the sample thickness H. The duration of consolidationT_c also affects m_v, but the effect of T_c is remarkably smaller than those of p and H.
The rate of secondary consolidation dε/d log t also increases with the increase of p and with a decrease in H.
The increases of m_v and dε/d log t with a decrease in H are especially remarkable when the thickness H is smaller than2.0cm. According to this fact, the characteristics of consolidation of samples smaller than 2.0cm thickness may be different from those of samples greater than 2.0cm thickness.
The relation between H and the ratio of initial compression R_i and the relation between H and the ratio of first compression R_1 are slightly affected by the change of the dulation of consolidation T_c, but the relation between the ratio of secondary comp ression R_2 is changed greatly when T_c is taken as one day or H^2/4day. This is due to the change of duration of secondary compression.
Language
jpn
Resource Type departmental bulletin paper
Publisher
島根大学農学部
Shimane University, Faculty of Agriculture
Date of Issued 1971-12-15
Access Rights open access
Relation
[NCID] AN00108015