2013 Fiscal Year Final Research Report
Research on the mechanism of cohesion of clay
| Project/Area Number |
23560587
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Iwate University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2013
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| Keywords | 粘着力 / 分子軌道法 / 分子動力学 / 原子間力顕微鏡 / 一面せん断試験 |
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| Research Abstract |
The cohesion is one of the strength parameters which exhibit the shear characteristic of soil. Cohesion is unrelated to normal stress. This parameter is important on disaster prevention, such as being used for slope stability analysis, but the mechanism was unclear.
Cohesion was calculated by the molecular dynamics method. The calculated value is larger than experimental measured value double digits. These results shows that expression of cohesion cannot be explained only in an electrochemical effects.
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