Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete
The most frequently used construction material in buildings is concrete exhibiting a brittle behaviour. Adding fibers to concrete can improve its ductility and mechanical properties. To this end, a laboratory study was conducted to present an experimental model for the specimens’ size effect of on m...
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| Format: | Article |
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MDPI AG
2023-01-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/16/2/673 |
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| author | Mohammad Daneshfar Abolfazl Hassani Mohammad Reza Mohammad Aliha Tomasz Sadowski |
| author_facet | Mohammad Daneshfar Abolfazl Hassani Mohammad Reza Mohammad Aliha Tomasz Sadowski |
| author_sort | Mohammad Daneshfar |
| collection | DOAJ |
| description | The most frequently used construction material in buildings is concrete exhibiting a brittle behaviour. Adding fibers to concrete can improve its ductility and mechanical properties. To this end, a laboratory study was conducted to present an experimental model for the specimens’ size effect of on macro-synthetic fiber-reinforced concrete using variations in fracture energy. Composite concrete beams with different thicknesses and widths were made and tested under mode I to obtain (1) fracture toughness, (2) fracture energy, and (3) critical stress intensity factor values. Results indicated that by increasing the thickness and the width, fracture toughness and fracture energy were enhanced. Moreover, increasing the thickness and width of the beam led to critical stress intensity factors enhancement respectively by 35.01–41.43% and 7.77–8.09%. |
| first_indexed | 2024-03-09T11:49:26Z |
| format | Article |
| id | doaj.art-5da5b2d2de9c49e0bb5807a27b3bbc3e |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T11:49:26Z |
| publishDate | 2023-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-5da5b2d2de9c49e0bb5807a27b3bbc3e2023-11-30T23:16:36ZengMDPI AGMaterials1996-19442023-01-0116267310.3390/ma16020673Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced ConcreteMohammad Daneshfar0Abolfazl Hassani1Mohammad Reza Mohammad Aliha2Tomasz Sadowski3School of Civil and Environmental Engineering, Tarbiat Modares University, Tehran 14115-111, IranSchool of Civil and Environmental Engineering, Tarbiat Modares University, Tehran 14115-111, IranWelding and Joining Research Center, School of Industrial Engineering, Iran University of Science and Technology (IUST), Narmak, 16846-13114, Tehran, IranDepartment of Solid Mechanics, The Lublin University of Technology, Nadbystrzycka 40 Str., 20-2618 Lublin, PolandThe most frequently used construction material in buildings is concrete exhibiting a brittle behaviour. Adding fibers to concrete can improve its ductility and mechanical properties. To this end, a laboratory study was conducted to present an experimental model for the specimens’ size effect of on macro-synthetic fiber-reinforced concrete using variations in fracture energy. Composite concrete beams with different thicknesses and widths were made and tested under mode I to obtain (1) fracture toughness, (2) fracture energy, and (3) critical stress intensity factor values. Results indicated that by increasing the thickness and the width, fracture toughness and fracture energy were enhanced. Moreover, increasing the thickness and width of the beam led to critical stress intensity factors enhancement respectively by 35.01–41.43% and 7.77–8.09%.https://www.mdpi.com/1996-1944/16/2/673concretetwisted fiberfracture energymode I fracture toughnesssize effect |
| spellingShingle | Mohammad Daneshfar Abolfazl Hassani Mohammad Reza Mohammad Aliha Tomasz Sadowski Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete Materials concrete twisted fiber fracture energy mode I fracture toughness size effect |
| title | Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete |
| title_full | Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete |
| title_fullStr | Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete |
| title_full_unstemmed | Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete |
| title_short | Assessment of the Specimen Size Effect on the Fracture Energy of Macro-Synthetic-Fiber-Reinforced Concrete |
| title_sort | assessment of the specimen size effect on the fracture energy of macro synthetic fiber reinforced concrete |
| topic | concrete twisted fiber fracture energy mode I fracture toughness size effect |
| url | https://www.mdpi.com/1996-1944/16/2/673 |
| work_keys_str_mv | AT mohammaddaneshfar assessmentofthespecimensizeeffectonthefractureenergyofmacrosyntheticfiberreinforcedconcrete AT abolfazlhassani assessmentofthespecimensizeeffectonthefractureenergyofmacrosyntheticfiberreinforcedconcrete AT mohammadrezamohammadaliha assessmentofthespecimensizeeffectonthefractureenergyofmacrosyntheticfiberreinforcedconcrete AT tomaszsadowski assessmentofthespecimensizeeffectonthefractureenergyofmacrosyntheticfiberreinforcedconcrete |