Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete
Fresh and hardened properties of high strength steel fibrous self-compacted concrete were studied in this investigation. One reference high strength self-compacted concrete mix is used, with five percent (by weight of cement) silica fume and eight percent of the cement replaced by limestone powder....
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| Format: | Article |
| Language: | English |
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Tikrit University
2016-05-01
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| Series: | Tikrit Journal of Engineering Sciences |
| Subjects: | |
| Online Access: | https://tj-es.com/ojs/index.php/tjes/article/view/284 |
| _version_ | 1827903348256276480 |
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| author | Saad Ali Al-Ta'an Wail Nourildean Al-Rifaie Khalid Ahmed Al-Neimee |
| author_facet | Saad Ali Al-Ta'an Wail Nourildean Al-Rifaie Khalid Ahmed Al-Neimee |
| author_sort | Saad Ali Al-Ta'an |
| collection | DOAJ |
| description | Fresh and hardened properties of high strength steel fibrous self-compacted concrete were studied in this investigation. One reference high strength self-compacted concrete mix is used, with five percent (by weight of cement) silica fume and eight percent of the cement replaced by limestone powder. Three steel fibres percentages by volume of concrete are used (0.4, 0.8, and 1.2). The used steel fibres were a shelled Harex type with irregular cross-section, equivalent diameter of 0.9278 mm, and 32 mm long. Super plasticizer was used to improve the workability and flow ability of the mixes. The test results showed that the presence of steel fibres decrease the flow ability, and increase the time of spreading, segregation, and passing ability of the fresh concrete. For the fibres percentages used, the fresh properties were within the recommended specifications for the self-compacted concrete. The test results showed an early strength development rate more than that for plain normal concrete due to the presence of the fine materials. As for normal concrete, the test results showed also that the increase in the splitting strength is more than the increase in the compressive strength due to the presence of the steel fibres. The brittle mode of failure of the plain unreinforced specimens changed to a ductile one due to the presence of the steel fibres.
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| first_indexed | 2024-03-13T00:11:17Z |
| format | Article |
| id | doaj.art-157ac9c158b94745a52d4f23ad81b0d8 |
| institution | Directory Open Access Journal |
| issn | 1813-162X 2312-7589 |
| language | English |
| last_indexed | 2024-03-13T00:11:17Z |
| publishDate | 2016-05-01 |
| publisher | Tikrit University |
| record_format | Article |
| series | Tikrit Journal of Engineering Sciences |
| spelling | doaj.art-157ac9c158b94745a52d4f23ad81b0d82023-07-12T12:54:05ZengTikrit UniversityTikrit Journal of Engineering Sciences1813-162X2312-75892016-05-0123210.25130/tjes.23.2.04Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted ConcreteSaad Ali Al-Ta'an0Wail Nourildean Al-Rifaie1Khalid Ahmed Al-Neimee2Civil Engineering Department, Collage of Engineering, University of Mosul, Mosul, IraqCivil Engineering Department, Collage of Engineering, Tikrit University, Salahaldeen, IraqCivil Engineering Department, Collage of Engineering, University of Mosul, Mosul, IraqFresh and hardened properties of high strength steel fibrous self-compacted concrete were studied in this investigation. One reference high strength self-compacted concrete mix is used, with five percent (by weight of cement) silica fume and eight percent of the cement replaced by limestone powder. Three steel fibres percentages by volume of concrete are used (0.4, 0.8, and 1.2). The used steel fibres were a shelled Harex type with irregular cross-section, equivalent diameter of 0.9278 mm, and 32 mm long. Super plasticizer was used to improve the workability and flow ability of the mixes. The test results showed that the presence of steel fibres decrease the flow ability, and increase the time of spreading, segregation, and passing ability of the fresh concrete. For the fibres percentages used, the fresh properties were within the recommended specifications for the self-compacted concrete. The test results showed an early strength development rate more than that for plain normal concrete due to the presence of the fine materials. As for normal concrete, the test results showed also that the increase in the splitting strength is more than the increase in the compressive strength due to the presence of the steel fibres. The brittle mode of failure of the plain unreinforced specimens changed to a ductile one due to the presence of the steel fibres. https://tj-es.com/ojs/index.php/tjes/article/view/284Compressionlimestone powderSelf-compacted concreteSilica fumesplittingSteel fibres |
| spellingShingle | Saad Ali Al-Ta'an Wail Nourildean Al-Rifaie Khalid Ahmed Al-Neimee Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete Tikrit Journal of Engineering Sciences Compression limestone powder Self-compacted concrete Silica fume splitting Steel fibres |
| title | Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete |
| title_full | Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete |
| title_fullStr | Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete |
| title_full_unstemmed | Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete |
| title_short | Properties of Fresh and Hardened High Strength Steel Fibres Reinforced Self-Compacted Concrete |
| title_sort | properties of fresh and hardened high strength steel fibres reinforced self compacted concrete |
| topic | Compression limestone powder Self-compacted concrete Silica fume splitting Steel fibres |
| url | https://tj-es.com/ojs/index.php/tjes/article/view/284 |
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