Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete
This research aims to find the optimum percentage of polypropylene fibers that can be added to no-fines concrete. The fibers added to the (1:5, 1:6, and 1:7 mix proportions) concrete with volumetric percentages of (0.1, 0.2, 0.3, 0.4, and 0.5%), together with suitable amounts of superplasticizer to...
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| Format: | Article |
| Language: | English |
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Unviversity of Technology- Iraq
2017-01-01
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| Series: | Engineering and Technology Journal |
| Subjects: | |
| Online Access: | https://etj.uotechnology.edu.iq/article_127313_1cb68a427f1b605bd8013905c7e7abb4.pdf |
| _version_ | 1827358798431387648 |
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| author | B. S. Al-Shathr O. A. Eedan B. H. Amanah |
| author_facet | B. S. Al-Shathr O. A. Eedan B. H. Amanah |
| author_sort | B. S. Al-Shathr |
| collection | DOAJ |
| description | This research aims to find the optimum percentage of polypropylene fibers that can be added to no-fines concrete. The fibers added to the (1:5, 1:6, and 1:7 mix proportions) concrete with volumetric percentages of (0.1, 0.2, 0.3, 0.4, and 0.5%), together with suitable amounts of superplasticizer to keep the flow percentage at (65-75%) using constant w/c ratio of 0.4. The results indicated that the optimum volumetric percentage of the added polypropylene fibers is 0.3% which needs small amount of superplasticizer of 0.5% by cement weight, to keep its flow equivalent to the reference mix. This percentage of fibers cause an increase in compressive strength, splitting tensile strength, and modulus of rupture of 22.5, 56.1, and 67.8% respectively when using 1:5 and 1:6 of concrete mixture. But this percentage decrease when using concrete mix proportion of 1:7 to be 8.8, 23.8, and 24% respectively. Also, results indicated that concrete density and thermal conductivity didn’t affect significantly by fibers addition. |
| first_indexed | 2024-03-08T06:17:24Z |
| format | Article |
| id | doaj.art-57995f75233e4841b7a8251692a1713b |
| institution | Directory Open Access Journal |
| issn | 1681-6900 2412-0758 |
| language | English |
| last_indexed | 2024-03-08T06:17:24Z |
| publishDate | 2017-01-01 |
| publisher | Unviversity of Technology- Iraq |
| record_format | Article |
| series | Engineering and Technology Journal |
| spelling | doaj.art-57995f75233e4841b7a8251692a1713b2024-02-04T17:18:59ZengUnviversity of Technology- IraqEngineering and Technology Journal1681-69002412-07582017-01-01351A768210.30684/etj.2017.127313127313Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines ConcreteB. S. Al-ShathrO. A. EedanB. H. AmanahThis research aims to find the optimum percentage of polypropylene fibers that can be added to no-fines concrete. The fibers added to the (1:5, 1:6, and 1:7 mix proportions) concrete with volumetric percentages of (0.1, 0.2, 0.3, 0.4, and 0.5%), together with suitable amounts of superplasticizer to keep the flow percentage at (65-75%) using constant w/c ratio of 0.4. The results indicated that the optimum volumetric percentage of the added polypropylene fibers is 0.3% which needs small amount of superplasticizer of 0.5% by cement weight, to keep its flow equivalent to the reference mix. This percentage of fibers cause an increase in compressive strength, splitting tensile strength, and modulus of rupture of 22.5, 56.1, and 67.8% respectively when using 1:5 and 1:6 of concrete mixture. But this percentage decrease when using concrete mix proportion of 1:7 to be 8.8, 23.8, and 24% respectively. Also, results indicated that concrete density and thermal conductivity didn’t affect significantly by fibers addition.https://etj.uotechnology.edu.iq/article_127313_1cb68a427f1b605bd8013905c7e7abb4.pdffines concretepolypropylene fibers |
| spellingShingle | B. S. Al-Shathr O. A. Eedan B. H. Amanah Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete Engineering and Technology Journal fines concrete polypropylene fibers |
| title | Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete |
| title_full | Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete |
| title_fullStr | Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete |
| title_full_unstemmed | Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete |
| title_short | Effect of Polypropylene Fibers on Thermal and Some Mechanical Properties of No-fines Concrete |
| title_sort | effect of polypropylene fibers on thermal and some mechanical properties of no fines concrete |
| topic | fines concrete polypropylene fibers |
| url | https://etj.uotechnology.edu.iq/article_127313_1cb68a427f1b605bd8013905c7e7abb4.pdf |
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