Computers and Concrete

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Experimental & numerical investigation of mechanical properties in steel fiber-reinforced UHPC

  • Dadmand, Behrooz (Department of Civil Engineering, Razi University) ;
  • Pourbaba, Masoud (Department of Civil Engineering, Maragheh Branch, Islamic Azad University) ;
  • Sadaghian, Hamed (Department of Civil Engineering, University of Tabriz) ;
  • Mirmiran, Amir (Department of Civil Engineering, University of Texas at Tyler)
  • Received : 2020.05.22
  • Accepted : 2020.11.14
  • Published : 2020.11.25
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Abstract

This paper presents experimental and numerical investigations on mechanical properties of ultra-high-performance fiber-reinforced concrete (UHPFRC) with four types of steel fibers; micro steel (MS), crimped (C), round crimped (RC) and hooked-end (H), in two fiber contents of 1% and 2% (by volume) and two lengths of 13 and 30 mm. Compression, direct tension, and four-point bending tests were carried out on four types of specimens (prism, cube, dog-bone and cylinder), to study tensile and flexural strength, fracture energy and modulus of elasticity. Results were compared with UHPC specimens without fibers, as well as with available equations for the modulus of elasticity. Specimens with MS fibers had the best performance for all mechanical properties. Among macro fibers, RC had better overall performance than H and C fibers. Increased fibers improved all mechanical properties of UHPFRC, except for modulus of elasticity, which saw a negligible effect (mostly less than 10%). Moreover, nonlinear finite element simulations successfully captured flexural response of UHPFRC prisms. Finally, nonlinear regression models provided reasonably well predictions of flexural load-deflection behavior of tested specimens (coefficient of correlation, R2 over 0.90).

Keywords

Acknowledgement

The authors would like to thank Dr. Dobromil Pryl of Cervenka Consulting Company for his invaluable support and constructive comments in preparation of the numerical model.

References

  1. Abaza, O.A. and Hussein, Z.S. (2015), "Flexural behavior of steel fiber-reinforced rubberized concrete", J. Mater. Civil Eng., 28(1), 04015076. https://doi.org/10.1061/(ASCE)MT.1943-5533.0001334.
  2. Abbas, S., Soliman, A.M. and Nehdi, M.L. (2015), "Exploring mechanical and durability properties of ultra-high performance concrete incorporating various steel fiber lengths and dosages", Constr. Build. Mater., 75, 429-441. https://doi.org/10.1016/j.conbuildmat.2014.11.017.
  3. ACI Committee 239 (2012), Ultra-high Performance Concrete, ACI Fall Convention, Toronto, Ontario, Canada.
  4. ACI Committee 363 (2010), Report on High-Strength Concrete (ACI 363R-10), ACI, Farmington Hills, MI.
  5. Alsalman, A., Dang, C.N., Marti-Vargas, J.R. and Hale, W.M. (2020), "Mixture-proportioning of economical UHPC mixtures", J. Build. Eng., 27, 100970. https://doi.org/10.1016/j.jobe.2019.100970.
  6. Alsalman, A., Dang, C.N., Prinz, G.S. and Hale, W.M. (2017), "Evaluation of modulus of elasticity of ultra-high performance concrete", Constr. Build. Mater., 153, 918-928. https://doi.org/10.1016/j.conbuildmat.2017.07.158.
  7. Association Francaise de Genie Civil (2002), Interim Recommendations for Ultra High Performance Fibre-Reinforced Concretes, Paris.
  8. ASTM C1240-15 (2015), Standard Specification for Silica Fume Used in Cementitious Mixtures, ASTM International, West Conshohocken, PA.
  9. ASTM C150/C150M-17 (2017), Standard Specification for Portland Cement, ASTM International, West Conshohocken, PA, www.astm.org.
  10. ASTM C469/C469M-14 (2014), Standard Test Method for Static Modulus of Elasticity and Poisson's Ratio of Concrete in Compression, ASTM International, West Conshohocken, PA, www.astm.org.
  11. ASTM C494/C494M-17. (2017), Standard Specification for Chemical Admixtures for Concrete, ASTM International, West Conshohocken, PA.
  12. ATENA (2016), Finite Element Software, ATENA Program Documentation, Theory and FRC User Manual, Cervenka Consulting, Prague, Czech Republic.
  13. Chanvillard, G. and Rigaud, S. (2003), "Complete characterization of tensile properties of Ductal UHPFRC according to the French recommendations", Proceedings of the 4th International RILEM workshop High Performance Fiber Reinforced Cementitious Composites, 21-34.
  14. Dadmand, B., Pourbaba, M., Sadaghian, H. and Mirmiran, A. (2020), "Effectiveness of steel fibers in ultra-high-performance fiber-reinforced concrete construction", Adv. Concrete Constr., 10(3), 195-209. https://doi.org/10.12989/acc.2020.10.3.195.
  15. EN 206:2013 (2013), Concrete, Specification, Performance, Production and Conformity.
  16. Farzam, M. and Sadaghian, H. (2018), "Mechanical model for punching shear capacity of rectangular slab-column connections", Struct. Concrete, 19(6), 1983-1991. https://doi.org/10.1002/suco.201700213.
  17. Farzam, M., Sadaghian, H. and Khodadade, G. (2018), "Shear behaviour of elongated rectangular wall-footing connections under eccentric loads", Mag. Concrete Res., 71(1), 43-54. https://doi.org/10.1680/jmacr.17.00378.
  18. FIB, Structural Concrete (2009), Textbook on Behaviour, Design and Performance, 2nd Edition, Vol. 1, FIB bulletin 51, federation internationale du beton, Lausanne.
  19. Foltz, R.R., Lee, D.H. and LaFave, J.M. (2017), "Biaxial behavior of high-performance fiber-reinforced cementitious composite plates", Constr. Build. Mater., 143, 501-514. https://doi.org/10.1016/j.conbuildmat.2017.03.167.
  20. GID (2015), International Centre for Numerical Methods in Engineering (CIMNE), Spain.
  21. Graybeal, B., Baby, F., Marchand, P. and Toutlemonde, F. (2012), "Direct and flexural tension test methods for determination of the tensile stress-strain response of UHPFRC", Kassel International Conference, HIPERMAT, 395-418.
  22. Graybeal, B.A. (2005), "Characterization of the behavior of ultra-high performance concrete", Doctoral Dissertation.
  23. Graybeal, B.A. (2007), "Compressive behavior of ultra-high-performance fiber-reinforced concrete", ACI Mater. J., 104(2), 146.
  24. Graybeal, B.A. and Stone, B. (2012), "Compression response of a rapid-strengthening ultra-high performance concrete formulation", US Department of Transportation, Federal Highway Administration.
  25. Haber, Z.B., De la Varga, I., Graybeal, B.A., Nakashoji, B. and El-Helou, R. (2018), "Properties and behavior of UHPC-class materials (No. FHWA-HRT-18-036)", United States. Federal Highway Administration. Washington, D.C.
  26. Hadl, P., Kim, H. and Tue, N.V. (2016), "Experimental investigations on the scattering in the post cracking tensile behaviour of UHPFRC", Proceedings of the First International Interactive Symposium on Ultra-High Performance Concrete, Des Moines, Iowa, USA.
  27. Hassan, A.M.T., Jones, S.W. and Mahmud, G.H. (2012), "Experimental test methods to determine the uniaxial tensile and compressive behavior of ultra high performance fiber reinforced concrete (UHPFRC)", Constr. Build. Mater., 37, 874-882. https://doi.org/10.1016/j.compstruct.2018.07.102.
  28. Hoang, K.H., Hadl, P. and Tue, N.V. (2016), "Influence of steel fibres and matrix composition on the properties of UHPFRC", Proceedings of the First International Interactive Symposium on Ultra-High Performance Concrete, Des Moines, Iowa, USA.
  29. Jungwirth, J. and Muttoni, A. (2004), "Structural behavior of tension members in Ultra High Performance Concrete", International Symposium on Ultra High Performance Concrete (No. EPFL-CONF-111692).
  30. Kang, S.T., Lee, Y., Park, Y.D. and Kim, J.K. (2010), "Tensile fracture properties of an Ultra High Performance Fiber Reinforced Concrete (UHPFRC) with steel fiber", Compos. Struct., 92(1), 61-71. https://doi.org/10.1016/j.compstruct.2009.06.012.
  31. Kannam, P. and Sarella, V.R. (2018), "A study on validation of shear behavior of steel fibrous SCC based on numerical modeling (ATENA)", J. Build. Eng., 19, 69-79. https://doi.org/10.1016/j.jobe.2018.05.003.
  32. Kazemi, S. and Lubell, A.S. (2012), "Influence of specimen size and fiber content on mechanical properties of Ultra-High-Performance Fiber-Reinforced Concrete", ACI Mater. J., 109(6), 1-10.
  33. Kollmorgen G.A. (2004), "Impact of age and size on the mechanical behavior of an ultra high performance concrete", Doctoral Dissertation,
  34. Michigan Technological University. Lampropoulos, A.P., Paschalis, S.A., Tsioulou, O.T. and Dritsos, S.E. (2016), "Strengthening of reinforced concrete beams using ultra high performance fibre reinforced concrete (UHPFRC)", Eng. Struct., 106, 370-384. https://doi.org/10.1016/j.engstruct.2015.10.042.
  35. Lantsoght, E.O.L. (2019), "How do steel fibers improve the shear capacity of reinforced concrete beams without stirrups?", Compos. Part B: Eng., 107079. https://doi.org/10.1016/j.compositesb.2019.107079.
  36. Le Hoang, A. and Fehling, E. (2017), "Influence of steel fiber content and aspect ratio on the uniaxial tensile and compressive behavior of ultra high performance concrete", Constr. Build. Mater., 153, 790-806. https://doi.org/10.1016/j.conbuildmat.2017.07.130.
  37. Mallat, A. and Alliche, A. (2011), "A modified tensile test to study the behaviour of cementitious materials", Strain, 47(6), 499-504. https://doi.org/10.1111/j.1475-1305.2009.00717.x.
  38. Pourbaba, M., Asefi, E., Sadaghian, H. and Mirmiran, A. (2018a). "Effect of age on the compressive strength of ultra-high-performance fiber-reinforced concrete", Constr. Build. Mater., 175, 402-410. https://doi.org/10.1016/j.conbuildmat.2018.04.203.
  39. Pourbaba, M., Joghataie, A. and Mirmiran, A. (2018b), "Shear behavior of ultra-high performance concrete", Constr. Build. Mater., 183, 554-564. https://doi.org/10.1016/j.conbuildmat.2018.06.117.
  40. Pourbaba, M., Sadaghian, H. and Mirmiran, A. (2019a), "A comparative study of flexural and shear behavior of ultra-high-performance fiber-reinforced concrete beams", Adv. Struct. Eng., 22(7), 1727-1738. https://doi.org/10.1177/1369433218823848.
  41. Pourbaba, M., Sadaghian, H. and Mirmiran, A. (2019b), "Flexural response of UHPFRC beams reinforced with steel rebars", Adv. Civil Eng. Mater., 8, 411-430. https://doi.org/10.1520/ACEM20190129.
  42. Ren, G.M., Wu, H., Fang, Q. and Liu, J.Z. (2018), "Effects of steel fiber content and type on static mechanical properties of UHPCC", Constr. Build. Mater., 163, 826-839. https://doi.org/10.1016/j.conbuildmat.2017.12.184.
  43. Sadaghian, H. and Farzam, M. (2019), "Numerical investigation on punching shear of RC slabs exposed to fire", Comput. Concrete, 23(3), 217-233. https://doi.org/10.12989/cac.2019.23.3.217.
  44. Sadaghian, H., Pourbaba, M. andabili, S.Z. and Mirmiran, A. (2020), "Experimental and numerical study of flexural properties in UHPFRC beams with and without an initial notch", Constr. Build. Mater., 121196. https://doi.org/10.1016/j.conbuildmat.2020.121196.
  45. Shehab El-Din, K., Mohamed, A., Khater, H. and Ahmed, S. (2016), "Effect of steel fibers on behavior of Ultra High Performance Concrete", Proceedings of the First International Interactive Symposium on Ultra-High Performance Concrete, Des Moines, Iowa, USA.
  46. Tavakoli, H.R., Jalali, P. and Mahmoudi, S. (2019), "Experimental evaluation of the effects of adding steel fiber on the post-cyclic behavior of reinforced self-compacting concrete beams", J. Build. Eng., 25, 100771. https://doi.org/10.1016/j.jobe.2019.100771.
  47. Thomas, J. and Ramaswamy, A. (2007), "Mechanical properties of steel fiber-reinforced concrete", J. Mater. Civil Eng., 19(5), 385-392. https://doi.org/10.1061/(ASCE)0899-1561(2007)19:5(385).
  48. Wang, L.M. and Xu, S.L. (2002), "Characteristic curve of concrete and fiber reinforced concrete", J. Dalian Univ. Tech., 42(5), 580-585. https://doi.org/10.3321/j.issn:1000-8608.2002.05.017
  49. Wang, P.T., Shah, S.P. and Naaman, A.E. (1978), "Stress-strain curves of normal and lightweight concrete in compression", J. Proc., 75(11), 603-611.
  50. Wee, T.H., Chin, M.S. and Mansur, M.A. (1996), "Stress-strain relationship of high-strength concrete in compression", J. Mater. Civil Eng., 8(2), 70-76. https://doi.org/10.1061/(ASCE)0899-1561(1996)8:2(70).
  51. Wille, K., Kim, D.J. and Naaman, A.E. (2011a), "Strain-hardening UHP-FRC with low fiber contents", Mater. Struct., 44(3), 583-598. https://doi.org/10.1617/s11527-010-9650-4.
  52. Wille, K., Naaman, A.E. and Parra-Montesinos, G.J. (2011b), "Ultra-High Performance Concrete with compressive strength exceeding 150 MPa (22 ksi): A simpler way", ACI Mater. J., 108(1), 1-13.
  53. Wu, Z., Shi, C., He, W. and Wu, L. (2016), "Effects of steel fiber content and shape on mechanical properties of ultra high performance concrete", Constr. Build. Mater., 103, 8-14. https://doi.org/10.1016/j.conbuildmat.2015.11.028.
  54. Wuest, J., EPF, C.E., Bruhwiler, E. and ETH, D.C.E. (2008), "Model for predicting the UHPFRC tensile hardening. In Ultra High Performance Concrete (UHPC)", Proceedings of the Second International Symposium on Ultra High Performance Concrete, Kassel, Germany.
  55. Yan, G. (2005), "Study on failure criterion and constitutive relationship of 200 MPa reactive powder concrete (RPC200)", Beijing Jiaotong University Doctoral Dissertation.
  56. Yoo, D.Y., Shin, H.O., Yang, J.M. and Yoon, Y.S. (2014), "Material and bond properties of ultra high performance fiber reinforced concrete with micro steel fibers", Compos. Part B: Eng., 58, 122-133. https://doi.org/10.1016/j.compositesb.2013.10.081.
  57. Yoo, D.Y., Zi, G., Kang, S.T. and Yoon, Y.S. (2015), "Biaxial flexural behavior of ultra-high-performance fiber-reinforced concrete with different fiber lengths and placement methods", Cement Concrete Compos., 63, 51-66. https://doi.org/10.1016/j.cemconcomp.2015.07.011.
  58. Zhenghai, G. (1997), Strength and Deformation of Concrete: Test Basis and Constitutive Relation.

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