The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire
This paper deals with the mechanical behavior of hollow concrete cylinders prestressed with nickel-titanium (Ni-Ti)-shape memory alloy (SMA) wires wound around them. Prestresses can be created by the thermal activation of the memory effect of SMA wire placed on the outer surface of concrete cylinder...
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MDPI AG
2022-01-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/15/3/826 |
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| author | Aleksandra Dębska Piotr Gwoździewicz Andrzej Seruga Xavier Balandraud Jean-François Destrebecq |
| author_facet | Aleksandra Dębska Piotr Gwoździewicz Andrzej Seruga Xavier Balandraud Jean-François Destrebecq |
| author_sort | Aleksandra Dębska |
| collection | DOAJ |
| description | This paper deals with the mechanical behavior of hollow concrete cylinders prestressed with nickel-titanium (Ni-Ti)-shape memory alloy (SMA) wires wound around them. Prestresses can be created by the thermal activation of the memory effect of SMA wire placed on the outer surface of concrete cylinders. In order to assess the stress level in concrete, a model was used to analyze the thermal stresses in the concrete shell resulting from a temperature gradient in the thickness. Another model was used to calculate the circular concentric loading applied by the wound wire resulting from the impairment of its memory effect by the concrete cylinder. Finally, longitudinal compression tests were performed on the prestressed hollow cylinders. Longitudinal and circumferential strains were measured using gauges located on the surfaces of the hollow cylinders. The tests were performed almost one year after the application of prestressing by means of Ni-Ti SMA wire, confirming that the residual stress in the wire remained present. It may therefore be concluded that the prestressing of concrete elements designed with the use of Ni-Ti SMA material is effective for a long time. |
| first_indexed | 2024-03-09T23:38:17Z |
| format | Article |
| id | doaj.art-b7915f1e62f6402d8f21f1b0f5e6ce5b |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T23:38:17Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-b7915f1e62f6402d8f21f1b0f5e6ce5b2023-11-23T16:57:45ZengMDPI AGMaterials1996-19442022-01-0115382610.3390/ma15030826The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA WireAleksandra Dębska0Piotr Gwoździewicz1Andrzej Seruga2Xavier Balandraud3Jean-François Destrebecq4Aldebud Aleksandra Dębska, ul. Zyndrama z Maszkowic 11, 30-689 Kraków, PolandFaculty of Civil Engineeering, Cracow University of Technology, ul. Warszawska 24, 31-155 Krakow, PolandFaculty of Civil Engineeering, Cracow University of Technology, ul. Warszawska 24, 31-155 Krakow, PolandCNRS, Institut Pascal, Clermont Auvergne INP, Université Clermont Auvergne, F-63000 Clermont-Ferrand, FranceCNRS, Institut Pascal, Clermont Auvergne INP, Université Clermont Auvergne, F-63000 Clermont-Ferrand, FranceThis paper deals with the mechanical behavior of hollow concrete cylinders prestressed with nickel-titanium (Ni-Ti)-shape memory alloy (SMA) wires wound around them. Prestresses can be created by the thermal activation of the memory effect of SMA wire placed on the outer surface of concrete cylinders. In order to assess the stress level in concrete, a model was used to analyze the thermal stresses in the concrete shell resulting from a temperature gradient in the thickness. Another model was used to calculate the circular concentric loading applied by the wound wire resulting from the impairment of its memory effect by the concrete cylinder. Finally, longitudinal compression tests were performed on the prestressed hollow cylinders. Longitudinal and circumferential strains were measured using gauges located on the surfaces of the hollow cylinders. The tests were performed almost one year after the application of prestressing by means of Ni-Ti SMA wire, confirming that the residual stress in the wire remained present. It may therefore be concluded that the prestressing of concrete elements designed with the use of Ni-Ti SMA material is effective for a long time.https://www.mdpi.com/1996-1944/15/3/826shape memory alloyprestressing forcethermal gradientcombined actioncivil engineeringnickel-titanium |
| spellingShingle | Aleksandra Dębska Piotr Gwoździewicz Andrzej Seruga Xavier Balandraud Jean-François Destrebecq The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire Materials shape memory alloy prestressing force thermal gradient combined action civil engineering nickel-titanium |
| title | The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire |
| title_full | The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire |
| title_fullStr | The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire |
| title_full_unstemmed | The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire |
| title_short | The Longitudinal Compression Capacity of Hollow Concrete Cylinders Prestressed by Means of an SMA Wire |
| title_sort | longitudinal compression capacity of hollow concrete cylinders prestressed by means of an sma wire |
| topic | shape memory alloy prestressing force thermal gradient combined action civil engineering nickel-titanium |
| url | https://www.mdpi.com/1996-1944/15/3/826 |
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