Structural behavior of hollow-core reinforced self-compacting concrete beams

Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental progr...
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Gespeichert in:

Autor*in:	Ismael, Murtada A. [verfasserIn] Hameed, Yahyia M.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Hollow-core Sustainability Optimization Self-compacting concrete Concrete elimination

Anmerkung:	© The Author(s) 2022

Übergeordnetes Werk:	Enthalten in: SN applied sciences - [Cham] : Springer International Publishing, 2019, 4(2022), 5 vom: 13. Apr.
Übergeordnetes Werk:	volume:4 ; year:2022 ; number:5 ; day:13 ; month:04

Links:	Volltext

DOI / URN:	10.1007/s42452-022-05036-6

Katalog-ID:	SPR046759409

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allfields	10.1007/s42452-022-05036-6 doi (DE-627)SPR046759409 (SPR)s42452-022-05036-6-e DE-627 ger DE-627 rakwb eng Ismael, Murtada A. verfasserin (orcid)0000-0002-2476-1926 aut Structural behavior of hollow-core reinforced self-compacting concrete beams 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. Hollow-core (dpeaa)DE-He213 Sustainability (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 Self-compacting concrete (dpeaa)DE-He213 Concrete elimination (dpeaa)DE-He213 Hameed, Yahyia M. aut Enthalten in SN applied sciences [Cham] : Springer International Publishing, 2019 4(2022), 5 vom: 13. Apr. (DE-627)103761139X (DE-600)2947292-1 2523-3971 nnns volume:4 year:2022 number:5 day:13 month:04 https://dx.doi.org/10.1007/s42452-022-05036-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2022 5 13 04
spelling	10.1007/s42452-022-05036-6 doi (DE-627)SPR046759409 (SPR)s42452-022-05036-6-e DE-627 ger DE-627 rakwb eng Ismael, Murtada A. verfasserin (orcid)0000-0002-2476-1926 aut Structural behavior of hollow-core reinforced self-compacting concrete beams 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. Hollow-core (dpeaa)DE-He213 Sustainability (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 Self-compacting concrete (dpeaa)DE-He213 Concrete elimination (dpeaa)DE-He213 Hameed, Yahyia M. aut Enthalten in SN applied sciences [Cham] : Springer International Publishing, 2019 4(2022), 5 vom: 13. Apr. (DE-627)103761139X (DE-600)2947292-1 2523-3971 nnns volume:4 year:2022 number:5 day:13 month:04 https://dx.doi.org/10.1007/s42452-022-05036-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2022 5 13 04
allfields_unstemmed	10.1007/s42452-022-05036-6 doi (DE-627)SPR046759409 (SPR)s42452-022-05036-6-e DE-627 ger DE-627 rakwb eng Ismael, Murtada A. verfasserin (orcid)0000-0002-2476-1926 aut Structural behavior of hollow-core reinforced self-compacting concrete beams 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. Hollow-core (dpeaa)DE-He213 Sustainability (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 Self-compacting concrete (dpeaa)DE-He213 Concrete elimination (dpeaa)DE-He213 Hameed, Yahyia M. aut Enthalten in SN applied sciences [Cham] : Springer International Publishing, 2019 4(2022), 5 vom: 13. Apr. (DE-627)103761139X (DE-600)2947292-1 2523-3971 nnns volume:4 year:2022 number:5 day:13 month:04 https://dx.doi.org/10.1007/s42452-022-05036-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2022 5 13 04
allfieldsGer	10.1007/s42452-022-05036-6 doi (DE-627)SPR046759409 (SPR)s42452-022-05036-6-e DE-627 ger DE-627 rakwb eng Ismael, Murtada A. verfasserin (orcid)0000-0002-2476-1926 aut Structural behavior of hollow-core reinforced self-compacting concrete beams 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. Hollow-core (dpeaa)DE-He213 Sustainability (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 Self-compacting concrete (dpeaa)DE-He213 Concrete elimination (dpeaa)DE-He213 Hameed, Yahyia M. aut Enthalten in SN applied sciences [Cham] : Springer International Publishing, 2019 4(2022), 5 vom: 13. Apr. (DE-627)103761139X (DE-600)2947292-1 2523-3971 nnns volume:4 year:2022 number:5 day:13 month:04 https://dx.doi.org/10.1007/s42452-022-05036-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2022 5 13 04
allfieldsSound	10.1007/s42452-022-05036-6 doi (DE-627)SPR046759409 (SPR)s42452-022-05036-6-e DE-627 ger DE-627 rakwb eng Ismael, Murtada A. verfasserin (orcid)0000-0002-2476-1926 aut Structural behavior of hollow-core reinforced self-compacting concrete beams 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. Hollow-core (dpeaa)DE-He213 Sustainability (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 Self-compacting concrete (dpeaa)DE-He213 Concrete elimination (dpeaa)DE-He213 Hameed, Yahyia M. aut Enthalten in SN applied sciences [Cham] : Springer International Publishing, 2019 4(2022), 5 vom: 13. Apr. (DE-627)103761139X (DE-600)2947292-1 2523-3971 nnns volume:4 year:2022 number:5 day:13 month:04 https://dx.doi.org/10.1007/s42452-022-05036-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2022 5 13 04
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Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. 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author	Ismael, Murtada A.
spellingShingle	Ismael, Murtada A. misc Hollow-core misc Sustainability misc Optimization misc Self-compacting concrete misc Concrete elimination Structural behavior of hollow-core reinforced self-compacting concrete beams
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topic_title	Structural behavior of hollow-core reinforced self-compacting concrete beams Hollow-core (dpeaa)DE-He213 Sustainability (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 Self-compacting concrete (dpeaa)DE-He213 Concrete elimination (dpeaa)DE-He213
topic	misc Hollow-core misc Sustainability misc Optimization misc Self-compacting concrete misc Concrete elimination
topic_unstemmed	misc Hollow-core misc Sustainability misc Optimization misc Self-compacting concrete misc Concrete elimination
topic_browse	misc Hollow-core misc Sustainability misc Optimization misc Self-compacting concrete misc Concrete elimination
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title	Structural behavior of hollow-core reinforced self-compacting concrete beams
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title_full	Structural behavior of hollow-core reinforced self-compacting concrete beams
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author_browse	Ismael, Murtada A. Hameed, Yahyia M.
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title_sort	structural behavior of hollow-core reinforced self-compacting concrete beams
title_auth	Structural behavior of hollow-core reinforced self-compacting concrete beams
abstract	Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. © The Author(s) 2022
abstractGer	Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. © The Author(s) 2022
abstract_unstemmed	Abstract This paper presents an experimental investigation on the structural performance of hollow-core reinforced self-compacting concrete beams and performs an optimization analysis to select the optimum hollow-core beam section, as well as perform a sustainability analysis. The experimental program includes constructing and testing five beams with different longitudinal hollow-core diameters created by using recycled plastic pipes, as well as a solid beam, used as a reference specimen. The results show that it can reduce the concrete from self-compacting concrete beams with percentages from 5.4 to 14.2 with a decrease in the first crack load from 9.1 to 22.7% and the ultimate strength from 2.3 to 10.5% respectively compared to the reference solid beam. The optimization analysis shows that the beam of 46 mm diameter hollow-core is the optimum selection in the concrete volume reduction of 11.1%, cracking load, and ultimate load reduction of 13.6% and 9.3% respectively among all the other beam specimens. While the sustainability analysis reveals that, using longitudinal voids of diameters from 32 to 52 mm leads to a decrease in the embodied energy with percentages from 5.4 to 14.2% and carbon dioxide emission with percentages from 5.4 to 14.1% respectively. Increasing the longitudinal void diameter makes hollow-core self-compacting concrete beams more ductile and exhibits large deflections before failure occurrences. Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength. © The Author(s) 2022
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title_short	Structural behavior of hollow-core reinforced self-compacting concrete beams
url	https://dx.doi.org/10.1007/s42452-022-05036-6
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up_date	2024-07-04T00:16:15.454Z
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Article Highlights Tests on hollow-core reinforced self-compacting concrete beams are conducted.Recycled plastic pipes are used to create hollow-core in the beams and to reduce ineffective concrete.Reducing ineffective concrete contributes to sustainability with maintaining a good ratio of beam strength.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hollow-core</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Sustainability</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Optimization</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Self-compacting concrete</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Concrete elimination</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hameed, Yahyia M.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">SN applied sciences</subfield><subfield code="d">[Cham] : Springer International Publishing, 2019</subfield><subfield code="g">4(2022), 5 vom: 13. 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Structural behavior of hollow-core reinforced self-compacting concrete beams

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