Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials
This paper describes the effects of expansive admixture on the mechanical properties of strain-hardening cement-based composite (SHCC) mixtures. Also, this study investigates structural performance of reinforced concrete (RC) beam specimens repaired with SHCC and Ex-SHCC (SHCC with expansive admixtu...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2018-01-01
|
| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2018/6727516 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832568093926227968 |
|---|---|
| author | Seok-Joon Jang Sun-Woo Kim Wan-Shin Park Koichi Kobayashi Hyun-Do Yun |
| author_facet | Seok-Joon Jang Sun-Woo Kim Wan-Shin Park Koichi Kobayashi Hyun-Do Yun |
| author_sort | Seok-Joon Jang |
| collection | DOAJ |
| description | This paper describes the effects of expansive admixture on the mechanical properties of strain-hardening cement-based composite (SHCC) mixtures. Also, this study investigates structural performance of reinforced concrete (RC) beam specimens repaired with SHCC and Ex-SHCC (SHCC with expansive admixture). In this study, SHCC and Ex-SHCC mixtures with two specified compressive strength values of 30 MPa and 60 MPa and the fiber volume fraction of 1.5% were investigated. The expansive admixture replacement ratio of 10% by cement weight was used in this study. The test results indicate that the compressive, tensile, and flexural strength values of the SHCC mixtures increased when expansive admixture was included in the mix; however, their toughness and ductility decreased. The study results also show that the application of both SHCC and Ex-SHCC mixtures to repair damaged RC beam specimens can lead to significant structural performance improvement by mitigating crack damage and increasing ductility. |
| format | Article |
| id | doaj-art-9b84cecda8454ac1ba8a6df1f60aff3a |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-9b84cecda8454ac1ba8a6df1f60aff3a2025-02-03T00:59:51ZengWileyAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/67275166727516Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite MaterialsSeok-Joon Jang0Sun-Woo Kim1Wan-Shin Park2Koichi Kobayashi3Hyun-Do Yun4Department of Architectural Engineering, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Construction Engineering Education, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Construction Engineering Education, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Civil Engineering, Gifu University, Gifu, JapanDepartment of Architectural Engineering, Chungnam National University, Daejeon 34134, Republic of KoreaThis paper describes the effects of expansive admixture on the mechanical properties of strain-hardening cement-based composite (SHCC) mixtures. Also, this study investigates structural performance of reinforced concrete (RC) beam specimens repaired with SHCC and Ex-SHCC (SHCC with expansive admixture). In this study, SHCC and Ex-SHCC mixtures with two specified compressive strength values of 30 MPa and 60 MPa and the fiber volume fraction of 1.5% were investigated. The expansive admixture replacement ratio of 10% by cement weight was used in this study. The test results indicate that the compressive, tensile, and flexural strength values of the SHCC mixtures increased when expansive admixture was included in the mix; however, their toughness and ductility decreased. The study results also show that the application of both SHCC and Ex-SHCC mixtures to repair damaged RC beam specimens can lead to significant structural performance improvement by mitigating crack damage and increasing ductility.http://dx.doi.org/10.1155/2018/6727516 |
| spellingShingle | Seok-Joon Jang Sun-Woo Kim Wan-Shin Park Koichi Kobayashi Hyun-Do Yun Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials Advances in Civil Engineering |
| title | Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials |
| title_full | Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials |
| title_fullStr | Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials |
| title_full_unstemmed | Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials |
| title_short | Effects of Shrinkage-Compensation on Mechanical Properties and Repair Performance of Strain-Hardening Cement Composite Materials |
| title_sort | effects of shrinkage compensation on mechanical properties and repair performance of strain hardening cement composite materials |
| url | http://dx.doi.org/10.1155/2018/6727516 |
| work_keys_str_mv | AT seokjoonjang effectsofshrinkagecompensationonmechanicalpropertiesandrepairperformanceofstrainhardeningcementcompositematerials AT sunwookim effectsofshrinkagecompensationonmechanicalpropertiesandrepairperformanceofstrainhardeningcementcompositematerials AT wanshinpark effectsofshrinkagecompensationonmechanicalpropertiesandrepairperformanceofstrainhardeningcementcompositematerials AT koichikobayashi effectsofshrinkagecompensationonmechanicalpropertiesandrepairperformanceofstrainhardeningcementcompositematerials AT hyundoyun effectsofshrinkagecompensationonmechanicalpropertiesandrepairperformanceofstrainhardeningcementcompositematerials |