Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System
Research on the application of ultraductile engineered cementitious composite (ECC) as overlay in the repair of deteriorated concrete structures is performed in this paper. Also, interfacial crack kinking and trapping mechanism experimentally observed in ECC/concrete overlay repair system are descri...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2014/623467 |
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| _version_ | 1832562875657355264 |
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| author | Yaw ChiaHwan Li Wei |
| author_facet | Yaw ChiaHwan Li Wei |
| author_sort | Yaw ChiaHwan |
| collection | DOAJ |
| description | Research on the application of ultraductile engineered cementitious composite (ECC) as overlay in the repair of deteriorated concrete structures is performed in this paper. Also, interfacial crack kinking and trapping mechanism experimentally observed in ECC/concrete overlay repair system are described by comparison of toughness and energy release rate. The mechanism involves cycles of extension, kinking, and arrest of interfacial crack into the overlay. Experimental testing of overlay repair system reveals significant improvements in load carrying capacity and ductility over conventional concrete overlay. The commonly observed overlay system failure mode of delamination or spalling is eliminated when ECC is applied. These failure modes are suppressed when ECC is used as an ideal and durable candidate overlay repair material. |
| format | Article |
| id | doaj-art-67bda24243b946e7b362ee76f1b8a4bb |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-67bda24243b946e7b362ee76f1b8a4bb2025-02-03T01:21:30ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422014-01-01201410.1155/2014/623467623467Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair SystemYaw ChiaHwan0Li Wei1Shenyang Architecture and Building University, Hunnan East Road No. 9, Shenyang 110168, ChinaShenyang Architecture and Building University, Hunnan East Road No. 9, Shenyang 110168, ChinaResearch on the application of ultraductile engineered cementitious composite (ECC) as overlay in the repair of deteriorated concrete structures is performed in this paper. Also, interfacial crack kinking and trapping mechanism experimentally observed in ECC/concrete overlay repair system are described by comparison of toughness and energy release rate. The mechanism involves cycles of extension, kinking, and arrest of interfacial crack into the overlay. Experimental testing of overlay repair system reveals significant improvements in load carrying capacity and ductility over conventional concrete overlay. The commonly observed overlay system failure mode of delamination or spalling is eliminated when ECC is applied. These failure modes are suppressed when ECC is used as an ideal and durable candidate overlay repair material.http://dx.doi.org/10.1155/2014/623467 |
| spellingShingle | Yaw ChiaHwan Li Wei Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System Advances in Materials Science and Engineering |
| title | Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System |
| title_full | Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System |
| title_fullStr | Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System |
| title_full_unstemmed | Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System |
| title_short | Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System |
| title_sort | application of interfacial propagation and kinking crack concept to ecc concrete overlay repair system |
| url | http://dx.doi.org/10.1155/2014/623467 |
| work_keys_str_mv | AT yawchiahwan applicationofinterfacialpropagationandkinkingcrackconcepttoeccconcreteoverlayrepairsystem AT liwei applicationofinterfacialpropagationandkinkingcrackconcepttoeccconcreteoverlayrepairsystem |