An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression
In order to explore the dynamic mechanical properties of concrete under biaxial compression-compression, a true triaxial instrument was used to conduct an experimental study on the dynamic mechanical properties of plain concrete under biaxial compression-compression. Eight different lateral compress...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-12-01
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| Series: | Case Studies in Construction Materials |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214509522003321 |
| _version_ | 1818237524067221504 |
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| author | Zhenpeng Yu Linsong Shen Rui Tang Qiao Huang |
| author_facet | Zhenpeng Yu Linsong Shen Rui Tang Qiao Huang |
| author_sort | Zhenpeng Yu |
| collection | DOAJ |
| description | In order to explore the dynamic mechanical properties of concrete under biaxial compression-compression, a true triaxial instrument was used to conduct an experimental study on the dynamic mechanical properties of plain concrete under biaxial compression-compression. Eight different lateral compressive stresses (0 MPa~14 MPa) and four strain (10−5/s, 10−4/s, 10−3/s and 10−2/s) rate were considered. From this, the effects of lateral compressive stress and loading strain rate on the biaxial compression-compression properties of concrete were compared and analyzed by obtaining the failure modes, principal compressive stress-strain curves and related mechanical characteristic parameters of plain concrete under different loading conditions. The research results show that: with the increase of lateral compressive stress, the failure modes of concrete were developed from columnar failure at low lateral compressive stress to sheet-like failure at high lateral compressive stress. With the increase of lateral stress, the development trend of concrete failure mode decreased gradually under the influence of strain rate. With the increase of lateral compressive stress, the variation range of concrete principal compressive stress decreased first and then tended to be relatively stable under the influence of strain rate. With the increase of strain rate, the increase range of concrete principal compressive stress decreased under the influence of lateral compressive stress. The influence mechanism of lateral compressive stress and strain rate on biaxial compression-compression performance of concrete was analyzed. Meanwhile, based on Kupfer biaxial compression failure criterion, a biaxial compression dynamic failure criterion model considering the effect of loading strain rate on plain concrete was proposed. The research results provided an important theoretical basis for the application and development of concrete engineering. |
| first_indexed | 2024-12-12T12:27:07Z |
| format | Article |
| id | doaj.art-0aa65b69c76f4328be879c53a0ea16c4 |
| institution | Directory Open Access Journal |
| issn | 2214-5095 |
| language | English |
| last_indexed | 2024-12-12T12:27:07Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj.art-0aa65b69c76f4328be879c53a0ea16c42022-12-22T00:24:31ZengElsevierCase Studies in Construction Materials2214-50952022-12-0117e01200An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compressionZhenpeng Yu0Linsong Shen1Rui Tang2Qiao Huang3Department of Civil Engineering, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China; Corresponding author.Department of Civil Engineering, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, ChinaDepartment of Civil Engineering and Engineering Mechanics, Columbia University, New York 10027, USASchool of Transportation, Southeast University, Nanjing 211102, ChinaIn order to explore the dynamic mechanical properties of concrete under biaxial compression-compression, a true triaxial instrument was used to conduct an experimental study on the dynamic mechanical properties of plain concrete under biaxial compression-compression. Eight different lateral compressive stresses (0 MPa~14 MPa) and four strain (10−5/s, 10−4/s, 10−3/s and 10−2/s) rate were considered. From this, the effects of lateral compressive stress and loading strain rate on the biaxial compression-compression properties of concrete were compared and analyzed by obtaining the failure modes, principal compressive stress-strain curves and related mechanical characteristic parameters of plain concrete under different loading conditions. The research results show that: with the increase of lateral compressive stress, the failure modes of concrete were developed from columnar failure at low lateral compressive stress to sheet-like failure at high lateral compressive stress. With the increase of lateral stress, the development trend of concrete failure mode decreased gradually under the influence of strain rate. With the increase of lateral compressive stress, the variation range of concrete principal compressive stress decreased first and then tended to be relatively stable under the influence of strain rate. With the increase of strain rate, the increase range of concrete principal compressive stress decreased under the influence of lateral compressive stress. The influence mechanism of lateral compressive stress and strain rate on biaxial compression-compression performance of concrete was analyzed. Meanwhile, based on Kupfer biaxial compression failure criterion, a biaxial compression dynamic failure criterion model considering the effect of loading strain rate on plain concrete was proposed. The research results provided an important theoretical basis for the application and development of concrete engineering.http://www.sciencedirect.com/science/article/pii/S2214509522003321Plain concreteBiaxial compression-compressionDynamic performanceExperimental studyFailure mechanism |
| spellingShingle | Zhenpeng Yu Linsong Shen Rui Tang Qiao Huang An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression Case Studies in Construction Materials Plain concrete Biaxial compression-compression Dynamic performance Experimental study Failure mechanism |
| title | An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression |
| title_full | An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression |
| title_fullStr | An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression |
| title_full_unstemmed | An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression |
| title_short | An experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression-compression |
| title_sort | experimental study and failure mechanism analysis on dynamic behaviors of plain concrete under biaxial compression compression |
| topic | Plain concrete Biaxial compression-compression Dynamic performance Experimental study Failure mechanism |
| url | http://www.sciencedirect.com/science/article/pii/S2214509522003321 |
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