Performance in shear of reinforced concrete slabs containing recycled concrete aggregate
Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is requir...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Michaud, Katherine [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© RILEM 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Materials and structures - Springer Netherlands, 1985, 49(2016), 10 vom: 18. Jan., Seite 4425-4438 |
|---|---|
| Übergeordnetes Werk: |
volume:49 ; year:2016 ; number:10 ; day:18 ; month:01 ; pages:4425-4438 |
| Links: |
|---|
| DOI / URN: |
10.1617/s11527-016-0798-4 |
|---|
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OLC208693890X |
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| 520 | |a Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. | ||
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| 650 | 4 | |a Shear | |
| 650 | 4 | |a Reinforced concrete | |
| 650 | 4 | |a Structural performance | |
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| 700 | 1 | |a Lotfy, Adurrahmaan |4 aut | |
| 700 | 1 | |a Lum, Paul |4 aut | |
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10.1617/s11527-016-0798-4 doi (DE-627)OLC208693890X (DE-He213)s11527-016-0798-4-p DE-627 ger DE-627 rakwb eng 690 VZ Michaud, Katherine verfasserin aut Performance in shear of reinforced concrete slabs containing recycled concrete aggregate 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © RILEM 2016 Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. Recycled aggregate concrete Shear Reinforced concrete Structural performance Hoult, Neil aut Lotfy, Adurrahmaan aut Lum, Paul aut Enthalten in Materials and structures Springer Netherlands, 1985 49(2016), 10 vom: 18. Jan., Seite 4425-4438 (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:49 year:2016 number:10 day:18 month:01 pages:4425-4438 https://doi.org/10.1617/s11527-016-0798-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_70 GBV_ILN_2016 GBV_ILN_4046 GBV_ILN_4700 AR 49 2016 10 18 01 4425-4438 |
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10.1617/s11527-016-0798-4 doi (DE-627)OLC208693890X (DE-He213)s11527-016-0798-4-p DE-627 ger DE-627 rakwb eng 690 VZ Michaud, Katherine verfasserin aut Performance in shear of reinforced concrete slabs containing recycled concrete aggregate 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © RILEM 2016 Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. Recycled aggregate concrete Shear Reinforced concrete Structural performance Hoult, Neil aut Lotfy, Adurrahmaan aut Lum, Paul aut Enthalten in Materials and structures Springer Netherlands, 1985 49(2016), 10 vom: 18. Jan., Seite 4425-4438 (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:49 year:2016 number:10 day:18 month:01 pages:4425-4438 https://doi.org/10.1617/s11527-016-0798-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_70 GBV_ILN_2016 GBV_ILN_4046 GBV_ILN_4700 AR 49 2016 10 18 01 4425-4438 |
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10.1617/s11527-016-0798-4 doi (DE-627)OLC208693890X (DE-He213)s11527-016-0798-4-p DE-627 ger DE-627 rakwb eng 690 VZ Michaud, Katherine verfasserin aut Performance in shear of reinforced concrete slabs containing recycled concrete aggregate 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © RILEM 2016 Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. Recycled aggregate concrete Shear Reinforced concrete Structural performance Hoult, Neil aut Lotfy, Adurrahmaan aut Lum, Paul aut Enthalten in Materials and structures Springer Netherlands, 1985 49(2016), 10 vom: 18. Jan., Seite 4425-4438 (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:49 year:2016 number:10 day:18 month:01 pages:4425-4438 https://doi.org/10.1617/s11527-016-0798-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_70 GBV_ILN_2016 GBV_ILN_4046 GBV_ILN_4700 AR 49 2016 10 18 01 4425-4438 |
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10.1617/s11527-016-0798-4 doi (DE-627)OLC208693890X (DE-He213)s11527-016-0798-4-p DE-627 ger DE-627 rakwb eng 690 VZ Michaud, Katherine verfasserin aut Performance in shear of reinforced concrete slabs containing recycled concrete aggregate 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © RILEM 2016 Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. Recycled aggregate concrete Shear Reinforced concrete Structural performance Hoult, Neil aut Lotfy, Adurrahmaan aut Lum, Paul aut Enthalten in Materials and structures Springer Netherlands, 1985 49(2016), 10 vom: 18. Jan., Seite 4425-4438 (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:49 year:2016 number:10 day:18 month:01 pages:4425-4438 https://doi.org/10.1617/s11527-016-0798-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_70 GBV_ILN_2016 GBV_ILN_4046 GBV_ILN_4700 AR 49 2016 10 18 01 4425-4438 |
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10.1617/s11527-016-0798-4 doi (DE-627)OLC208693890X (DE-He213)s11527-016-0798-4-p DE-627 ger DE-627 rakwb eng 690 VZ Michaud, Katherine verfasserin aut Performance in shear of reinforced concrete slabs containing recycled concrete aggregate 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © RILEM 2016 Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. Recycled aggregate concrete Shear Reinforced concrete Structural performance Hoult, Neil aut Lotfy, Adurrahmaan aut Lum, Paul aut Enthalten in Materials and structures Springer Netherlands, 1985 49(2016), 10 vom: 18. Jan., Seite 4425-4438 (DE-627)12938240X (DE-600)165630-2 (DE-576)014768240 1359-5997 nnns volume:49 year:2016 number:10 day:18 month:01 pages:4425-4438 https://doi.org/10.1617/s11527-016-0798-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_70 GBV_ILN_2016 GBV_ILN_4046 GBV_ILN_4700 AR 49 2016 10 18 01 4425-4438 |
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Performance in shear of reinforced concrete slabs containing recycled concrete aggregate |
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Performance in shear of reinforced concrete slabs containing recycled concrete aggregate |
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Michaud, Katherine |
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Materials and structures |
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Materials and structures |
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Michaud, Katherine Hoult, Neil Lotfy, Adurrahmaan Lum, Paul |
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Michaud, Katherine |
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10.1617/s11527-016-0798-4 |
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690 |
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performance in shear of reinforced concrete slabs containing recycled concrete aggregate |
| title_auth |
Performance in shear of reinforced concrete slabs containing recycled concrete aggregate |
| abstract |
Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. © RILEM 2016 |
| abstractGer |
Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. © RILEM 2016 |
| abstract_unstemmed |
Abstract Concrete construction and demolition leads to the generation of a significant amount of waste and $ CO_{2} $ emissions, which both have a negative impact on the environment. The use of recycled aggregate concrete (RAC) is one potential way to mitigate this impact but more research is required to understand its behaviour in shear for structural applications. The objective of this research was to compare the shear behaviour of reinforced RAC slabs to reinforced concrete slabs containing non-RAC, and to compare the crack development of each specimen through the use of digital image correlation and fibre optic sensing. One way-slab specimens constructed using 5 RAC mixes (3 coarse recycled concrete aggregate mixes with up to 30 % replacement and 2 granular recycled concrete aggregate mixes with up to 20 % replacement) and a control concrete mix were tested to failure in 3 and 4 point bending. Load, displacement, distributed strain measurements, and digital images were collected throughout testing. The average peak shear forces of the RAC specimens were higher than that of the control specimens except for the specimens with the highest level of granular replacement (20 %) which had a 14 % reduction in shear capacity versus the control specimens. These specimens also exhibited shear cracking at lower loads compared to the control specimens as indicated by the digital image correlation and fibre optic measurements. Results from this research provide evidence that up to 30 % coarse recycled concrete aggregate and 10 % granular recycled aggregate may be incorporated into structural concrete mixtures without affecting the performance. However, concrete containing 20 % volumetric replacement of the natural aggregate with granular recycled concrete aggregate may require special consideration. Digital image correlation and fibre optic sensing can be used to determine the cracking behaviour of reinforced concrete specimens. © RILEM 2016 |
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Performance in shear of reinforced concrete slabs containing recycled concrete aggregate |
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