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To investigate the effect of polypropylene fibers on the mechanical properties of concrete structures in cold regions, obtain an appropriate amount of polypropylene fiber content, and improve the frost resistance of the structure, freeze-thaw cycle tests were conducted on three groups of reinforced concrete short column specimens with different polypropylene fiber contents. The depth of surface damage of the specimen was detected using ultrasonic method. The stress process and failure of the specimen were analyzed through axial compression test, and the corresponding changes in compressive toughness were discussed. A formula for calculating the axial compressive bearing capacity of polypropylene fiber reinforced concrete short columns after freeze-thaw cycles was established. The test results indicate that the addition of polypropylene fibers can reduce the compressive bearing capacity of reinforced concrete short columns. An appropriate amount of polypropylene fiber can enhance the frost resistance, ductility and toughness of concrete components, and the recommended volume fraction of polypropylene fiber is 0.08-0.12%.
Czasopismo
Rocznik
Tom
Strony
549--561
Opis fizyczny
Bibliogr. 26 poz., il., tab.
Twórcy
autor
- CCCC Third Highway Engineering Co. Ltd, Beijing, China
autor
- CCCC Third Highway Engineering Co. Ltd, Beijing, China
autor
- CCCC Third Highway Engineering Co. Ltd, Beijing, China
autor
- Chongqing Jiaotong University, Chongqing, China
Bibliografia
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- [5] L. Feo, F. Ascione, R. Penna, D. Lau, and M. Lamberti, “An experimental investigation on freezing and thawing durability of high performance fiber reinforced concrete (HPFRC)”, Composite Structures, vol. 234, art. no. 111673, 2020, doi: 10.1016/j.compstruct.2019.111673.
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- [7] A. Karimipour and M. Ghalehnovi, “Comparison of the effect of the steel and polypropylene fibres on the flexural behaviour of recycled aggregate concrete beams”, Structures, vol. 29, pp. 129-146, 2021, doi: 10.1016/j.istruc.2020.11.013.
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- [9] J. Mo, L. Zeng, Y. Liu, L. Ma, C. Liu, S. Xiang, and G. Cheng, “Mechanical properties and damping capacity of polypropylene fiber reinforced concrete modified by rubber powder”, Construction and Building Materials, vol. 242, art. no. 118111, 2020, doi: 10.1016/j.conbuildmat.2020.118111.
- [10] S.P. Chen and W. Bao, “Experimental study on the damage of fiber concrete in freeze-thaw cycles”, Sichuan Building Science, vol. 42, no. 06, pp. 116-119, 2016.
- [11] C. Zhong, Z.B. Ye, and Y. Wang, “Strengthening and Toughening Mehanism and Mechanical Analysis of Steel Fiber-reinforced Concrete”, Journal of Hebei North University (Natural Science Edition), vol. 35, no. 07, pp. 37-42+49, 2019, doi: 10.3969/j.issn.1673-1492.2019.07.007.
- [12] L.Z. Chen, G.T. Zhang, W.M. Huang, L. Pan, C. W. Guo, and W.Y. Liu, “The injury research of fiber reinforced concrete under freeze-thaw cycles”, Science Technology and Engineering, vol.15, no. 05, pp.145-150, 2015.
- [13] Y. Chen, M. S. Waheed, S. Iqbal, M. Rizwan, and S. Room, “Durability properties of macro-polypropylene fiber reinforced self-compacting concrete”, Materials, vol. 17, no. 2, art. no. 284, 2024, doi: 10.3390/ma17020284.
- [14] J. Zhao, X. Yang, J. Fan, S. Gao, and H. Ma, “Research on dynamic compressive performance of polypropylene fiber-reinforced high-strength concrete under freeze-thaw environment”, Advances in Materials Science and Engineering, vol. 2022, art. no. 9079019, 2022, doi: 10.1155/2022/9079019.
- [15] C. Zheng, S. Li, Y. Hou, and B. Jin, “Frost resistance of fiber-reinforced self-compacting recycled concrete”, Reviews on Advanced Materials Science, vol. 61, no. 1, pp. 711-725, 2022, doi: 10.1515/rams-2022-0269.
- [16] N. Liang, Y. Hu, Y. Zhong, and X. Liu, “Study on pore structure and frost resistance of multi-scale polypropylene fiber reinforced concrete”, Journal of Chongqing University, vol. 42, no. 11, pp. 38-46, 2019.
- [17] H.Q. Cheng and D.Y. Gao, “Experimental study on damage of polypropylene fiber concrete in freeze-thaw cycles”, Journal of Southeast University (Natural Science Edition), vol. 40, no. S2, pp. 197-200, 2010.
- [18] H. Chang, X. Su, and Y. Sha, “Experimental Research on compressive damage of concrete member under freeze-thaw cycles”, Industrial Construction, vol. 48, no. 03, pp. 26-30, 2018, doi: 10.13204/j.gyjz201803006.
- [19] C. Cao and L.Q. Liu, “Discussion about Performance of Polypropylene Fiber Reinforced Concrete”, Concrete, no. 9, pp. 49-51, 2000.
- [20] C. Medina, M.I.S. de Rojas, and M. Frías, “Freeze-thaw durability of recycled concrete containing ceramic aggregate”, Journal of Cleaner Production, vol. 40, pp. 151-160, 2013, doi: 10.1016/j.jclepro.2012.08.042.
- [21] P. Wu, “Study on Axial Compression Performance of Concrete Filled Aluminum Alloy Tube Columns after being Exposed to Freezing and Thawing [D]”, Chongqing Jiaotong University, 2018.
- [22] Y. Zhang, “Study on the mechanical properties and damage and failure morphology of polypropylene fiber reinforced concrete [D]”, Xi’an University of Technology, 2019.
- [23] M. Khan and M. Ali, “Use of glass and nylon fibers in concrete for controlling early age micro cracking in bridge decks”, Construction and Building Materials, vol. 125, pp. 800-808, 2016, doi: 10.1016/j.conbuildmat.2016.08.111.
- [24] L. X. Wan, “Research on mechanical Properties of Axially loaded steel Columns reinforced by outsourcing reinforced concrete while under Load [D]”, Shenyang University, 2017.
- [25] J.H. Yang, Q. Lv, Y.Q. Ye, and H. Zhang, “Ehanced result analysis of fibers mixed in different ways to different kinds of concretes”, in Industrial Construction Supplement I. 2016: Industrial Building Magazine. 2016, pp. 623-628 + 639.
- [26] D.C. Nguyen, M. Salamak, A. Katunin, M. Gerges, and M. Abdel-Maguid, “Finite element model updating of steel-concrete composite bridge: A study case of the Ruri bridge in Vietnam”, Archives of Civil Engineering, vol. 69, no. 3, pp. 425-443, 2023, doi: 10.24425/ace.2023.146089
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