3-D DEM installing column shape reinforcing bar element and its application for RC beam impact analysis
This paper proposes a column shape DEM element to use as reinforcing bar element in the reinforced concrete beam subjected to impact load. First, the rigid body motion including its posture expression is formulated as DEM equation of motion. Specialized contact judgement as reinforcing bar element w...
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| Published in | Journal of Structural Engineering, A Vol. 55A; pp. 1238 - 1249 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English Japanese |
| Published |
Japan Society of Civil Engineers
2009
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1881-820X |
| DOI | 10.11532/structcivil.55A.1238 |
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| Abstract | This paper proposes a column shape DEM element to use as reinforcing bar element in the reinforced concrete beam subjected to impact load. First, the rigid body motion including its posture expression is formulated as DEM equation of motion. Specialized contact judgement as reinforcing bar element which are holding semi-linear shape in the concrete materials expressed by sphere elements with rugged surface. The shear spring constitutive laws expressing the slip behavior between concrete and reinforcing bar element are also formulated. Finaly, an experimental result of RC beam subjected to weight collision impact is simulated. |
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| AbstractList | This paper proposes a column shape DEM element to use as reinforcing bar element in the reinforced concrete beam subjected to impact load. First, the rigid body motion including its posture expression is formulated as DEM equation of motion. Specialized contact judgement as reinforcing bar element which are holding semi-linear shape in the concrete materials expressed by sphere elements with rugged surface. The shear spring constitutive laws expressing the slip behavior between concrete and reinforcing bar element are also formulated. Finaly, an experimental result of RC beam subjected to weight collision impact is simulated. |
| Author | Fujikake, Kazunori Haraki, Daisuke Katsuki, Satoshi |
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| DOI | 10.11532/structcivil.55A.1238 |
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| Snippet | This paper proposes a column shape DEM element to use as reinforcing bar element in the reinforced concrete beam subjected to impact load. First, the rigid... |
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| StartPage | 1238 |
| SubjectTerms | Column element Confinement effect Distinct Element Method reinforcing bar element |
| Title | 3-D DEM installing column shape reinforcing bar element and its application for RC beam impact analysis |
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