Investigation of unsaturated strength and infiltration properties for volcanic cohesive soil from the point of view micro structural deformation
| Project/Area Number |
18760365
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (B)
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Geotechnical engineering
|
|---|
| Research Institution | Hachinohe National College of Technology |
|---|
Principal Investigator |
KIYOHARA Yukoh Hachinohe National College of Technology, 建設環境工学科, 助教 (20369911)
|
|---|
| Project Period (FY) |
2006 – 2008
|
| Project Status |
Completed (Fiscal Year 2008)
|
| Budget Amount *help |
¥3,720,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥120,000)
Fiscal Year 2008: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2006: ¥2,200,000 (Direct Cost: ¥2,200,000)
|
|---|
| Keywords | 不飽和土 / 火山灰質粘性土 / 三軸試験 / 水分特性曲線 |
|---|
| Research Abstract |
土粒子構造と水分特性や荷重載荷時の変形特性のメカニズム解明のために,サクションを0,50,90kPa,拘束圧0,10,100kN/m2の各条件下での不飽和三軸試験を行った.そして撹乱・不撹乱状態の八戸ロームにおけるせん断挙動,サクションや基底応力が体積変化に及ぼす影響を把握するとともに,せん断時の間隙比と水分特性履歴から微視構造の変化について推察した.また,八戸しらすを用いて野外での水分移動履歴把握と履歴を考慮した予測解析も行った.
|
Report
(4 results)
Research Products
(12 results)
