Temperature dependence of viscoelastic Poisson’s ratio of cement mortar
Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in di...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Baranikumar, Aishwarya [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s) 2021. corrected publication 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Materials and structures - Springer Netherlands, 1985, 54(2021), 3 vom: 19. Apr. |
|---|---|
| Übergeordnetes Werk: |
volume:54 ; year:2021 ; number:3 ; day:19 ; month:04 |
| Links: |
|---|
| DOI / URN: |
10.1617/s11527-021-01693-y |
|---|
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OLC2078119636 |
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| 520 | |a Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. | ||
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10.1617/s11527-021-01693-y doi (DE-627)OLC2078119636 (DE-He213)s11527-021-01693-y-p DE-627 ger DE-627 rakwb eng 690 VZ Baranikumar, Aishwarya verfasserin (orcid)0000-0002-5770-4610 aut Temperature dependence of viscoelastic Poisson’s ratio of cement mortar 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s) 2021. corrected publication 2022 Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. Viscoelastic Confined creep Multiaxial loading Dilatational Deviatoric Torrence, Christa E. (orcid)0000-0002-7063-5517 aut Grasley, Zachary (orcid)0000-0002-4246-196X aut Enthalten in Materials and structures Springer Netherlands, 1985 54(2021), 3 vom: 19. Apr. (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:54 year:2021 number:3 day:19 month:04 https://doi.org/10.1617/s11527-021-01693-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_2016 AR 54 2021 3 19 04 |
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10.1617/s11527-021-01693-y doi (DE-627)OLC2078119636 (DE-He213)s11527-021-01693-y-p DE-627 ger DE-627 rakwb eng 690 VZ Baranikumar, Aishwarya verfasserin (orcid)0000-0002-5770-4610 aut Temperature dependence of viscoelastic Poisson’s ratio of cement mortar 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s) 2021. corrected publication 2022 Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. Viscoelastic Confined creep Multiaxial loading Dilatational Deviatoric Torrence, Christa E. (orcid)0000-0002-7063-5517 aut Grasley, Zachary (orcid)0000-0002-4246-196X aut Enthalten in Materials and structures Springer Netherlands, 1985 54(2021), 3 vom: 19. Apr. (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:54 year:2021 number:3 day:19 month:04 https://doi.org/10.1617/s11527-021-01693-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_2016 AR 54 2021 3 19 04 |
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10.1617/s11527-021-01693-y doi (DE-627)OLC2078119636 (DE-He213)s11527-021-01693-y-p DE-627 ger DE-627 rakwb eng 690 VZ Baranikumar, Aishwarya verfasserin (orcid)0000-0002-5770-4610 aut Temperature dependence of viscoelastic Poisson’s ratio of cement mortar 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s) 2021. corrected publication 2022 Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. Viscoelastic Confined creep Multiaxial loading Dilatational Deviatoric Torrence, Christa E. (orcid)0000-0002-7063-5517 aut Grasley, Zachary (orcid)0000-0002-4246-196X aut Enthalten in Materials and structures Springer Netherlands, 1985 54(2021), 3 vom: 19. Apr. (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:54 year:2021 number:3 day:19 month:04 https://doi.org/10.1617/s11527-021-01693-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_2016 AR 54 2021 3 19 04 |
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10.1617/s11527-021-01693-y doi (DE-627)OLC2078119636 (DE-He213)s11527-021-01693-y-p DE-627 ger DE-627 rakwb eng 690 VZ Baranikumar, Aishwarya verfasserin (orcid)0000-0002-5770-4610 aut Temperature dependence of viscoelastic Poisson’s ratio of cement mortar 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s) 2021. corrected publication 2022 Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. Viscoelastic Confined creep Multiaxial loading Dilatational Deviatoric Torrence, Christa E. (orcid)0000-0002-7063-5517 aut Grasley, Zachary (orcid)0000-0002-4246-196X aut Enthalten in Materials and structures Springer Netherlands, 1985 54(2021), 3 vom: 19. Apr. (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:54 year:2021 number:3 day:19 month:04 https://doi.org/10.1617/s11527-021-01693-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_2016 AR 54 2021 3 19 04 |
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10.1617/s11527-021-01693-y doi (DE-627)OLC2078119636 (DE-He213)s11527-021-01693-y-p DE-627 ger DE-627 rakwb eng 690 VZ Baranikumar, Aishwarya verfasserin (orcid)0000-0002-5770-4610 aut Temperature dependence of viscoelastic Poisson’s ratio of cement mortar 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s) 2021. corrected publication 2022 Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. Viscoelastic Confined creep Multiaxial loading Dilatational Deviatoric Torrence, Christa E. (orcid)0000-0002-7063-5517 aut Grasley, Zachary (orcid)0000-0002-4246-196X aut Enthalten in Materials and structures Springer Netherlands, 1985 54(2021), 3 vom: 19. Apr. (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:54 year:2021 number:3 day:19 month:04 https://doi.org/10.1617/s11527-021-01693-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_2016 AR 54 2021 3 19 04 |
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| title_sort |
temperature dependence of viscoelastic poisson’s ratio of cement mortar |
| title_auth |
Temperature dependence of viscoelastic Poisson’s ratio of cement mortar |
| abstract |
Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. © The Author(s) 2021. corrected publication 2022 |
| abstractGer |
Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. © The Author(s) 2021. corrected publication 2022 |
| abstract_unstemmed |
Abstract Concrete creep research has focused primarily on uniaxial response. However, biaxially prestressed concrete structures are common, resulting in a multiaxial stress state that can complicate the behavior of a viscoelastic material like concrete. Significant creep strains may be induced in directions transverse to each principle stress due to Poisson’s effect. Past research is unclear regarding the viscoelastic or viscoplastic properties of concrete outside of uniaxial response. It has been reported in separate studies that concrete viscoelastic/viscoplastic Poisson’s ratio (VPR) is an increasing, decreasing and constant function with time, with all reported measurements performed at room temperature. In this paper, the 3D basic creep response of mature cement mortar is examined using a confined compression experiment that allows direct determination of the full stress and infinitesimal strain tensors in a single test, which enables the determination of VPR under a multiaxial stress state. For this purpose, a unique, miniature version of the standardized concrete creep frame is designed that is amenable to placing in climate chambers and temperature ovens. The experimental results indicate that the VPR of sealed, mature cement mortar is nearly constant and equal to the elastic at room temperature, while the VPR gradually increases with time when measured at 60 °C. © The Author(s) 2021. corrected publication 2022 |
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| title_short |
Temperature dependence of viscoelastic Poisson’s ratio of cement mortar |
| url |
https://doi.org/10.1617/s11527-021-01693-y |
| remote_bool |
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| author2 |
Torrence, Christa E. Grasley, Zachary |
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| doi_str |
10.1617/s11527-021-01693-y |
| up_date |
2024-07-03T18:54:50.822Z |
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