Enhancement of mechanical properties of lightweight concrete

  • Authors

    • Mohamed Husain Teaching Assistant, Department of Civil Engineering, Cairo Higher Institute of Engineering, Computer Science and Management, Cairo, Egypt
    • Mohamed A Khater Professor, Department of Civil Engineering, Zagazig University, Sharkia, Egypt
    • Asmaa El-Ghamry Assistant Professor, Department of Civil Engineering, Zagazig University, Sharkia, Egypt
    2019-02-25
    https://doi.org/10.14419/ijet.v7i4.17687
  • Expanded Perlite Aggregate, Lightweight Aggregate Concrete, Mechanical Properties, Polypropylene Fiber, Steel Fiber.
  • In this presented paper, Three concrete mixtures were set to produce a Lightweight Aggregate Concrete (LWAC) using Expanded perlite aggregate (EPA) as a replacement of natural gravel. EPA used with replacement fractions of 0%, 30%, and 40% by weight of the coarse aggregate. An additional eight concrete mixtures were arranged to study the influence of using steel fiber (SF) and polypropylene fiber (PP) with various percentages on the mechanical properties of samples with 30% and 40% perlite content. The volumetric ratios of SF and PP fiber were 0%, .5%, 1%. The main objectives of this paper are to produce perlite concrete with a density less than 2000 kg/m3 and with 28-days cube compressive strength not less than 18 MPa, also to enhance perlite concrete properties with two types of fibers. The mechanical properties measured in this experimental work are composed of 28-day cube compressive strength, unit weight, flexural strength, and splitting-tensile strength. From the gained data, the required reduction in unit weight values of perlite concrete has been achieved. Also, steel fibers improved the tensile properties of perlite concrete more than PP fibers.

     

     


  • References

    1. [1] Grabois, Thiago Melo, Guilherme Chagas Cordeiro, and Romildo Dias Toledo Filho, Fresh and hardened-state properties of self-compacting lightweight concrete reinforced with steel fibers, Construction and Building Materials 104 (2016) 284-292, https://doi.org/10.1016/j.conbuildmat.2015.12.060.

      [2] Wang, H. T., and L. C. Wang, Experimental study on static and dynamic mechanical properties of steel fiber reinforced lightweight aggregate concrete, Construction and Building Materials 38 (2013) 1146-1151, https://doi.org/10.1016/j.conbuildmat.2012.09.016.

      [3] jun Li, Jing, et al., Investigation on mechanical properties and microstructure of high performance polypropylene fiber reinforced lightweight aggregate concrete, Construction and Building Materials 118 (2016) 27-35, https://doi.org/10.1016/j.conbuildmat.2016.04.116.

      [4] Gül, Rüstem, et al., Thermo-mechanical properties of fiber reinforced raw perlite concrete, Materials Letters 61.29 (2007) 5145-5149, https://doi.org/10.1016/j.matlet.2007.04.050.

      [5] Ma, H. L., et al., Study on mechanical properties of steel fiber reinforced autoclaved lightweight shell-aggregate concrete, Materials & Design 52 (2013) 565-571, https://doi.org/10.1016/j.matdes.2013.05.086.

      [6] Libre, Nicolas Ali, et al., Mechanical properties of hybrid fiber reinforced lightweight aggregate concrete made with natural pumice, Construction and Building Materials 25.5 (2011) 2458-2464, https://doi.org/10.1016/j.conbuildmat.2010.11.058.

      [7] Topçu, İlker Bekir, and Burak Işıkdağ, Effect of expanded perlite aggregate on the properties of lightweight concrete, Journal of materials processing technology 204.1 (2008) 34-38, https://doi.org/10.1016/j.jmatprotec.2007.10.052.

      [8] Düzgün, Oğuz Akın, Rüstem Gül, and Abdulkadir Cüneyt Aydin, Effect of steel fibers on the mechanical properties of natural lightweight aggregate concrete, Materials Letters 59.27 (2005) 3357-3363, https://doi.org/10.1016/j.matlet.2005.05.071.

      [9] Güneyisi, Erhan, et al., Fracture behavior and mechanical properties of concrete with artificial lightweight aggregate and steel fiber, Construction and Building Materials 84 (2015) 156-168, https://doi.org/10.1016/j.conbuildmat.2015.03.054.

      [10] Sengul, Ozkan, et al., Effect of expanded perlite on the mechanical properties and thermal conductivity of lightweight concrete, Energy and Buildings 43.2 (2011) 671-676, https://doi.org/10.1016/j.enbuild.2010.11.008.

      [11] Kramar, Derek, and Vivek Bindiganavile, Impact response of lightweight mortars containing expanded perlite, Cement and Concrete Composites 37 (2013) 205-214, https://doi.org/10.1016/j.cemconcomp.2012.10.004.

      [12] Işıkdağ, Burak. "Characterization of lightweight ferrocement panels containing expanded perlite-based mortar, Construction and Building Materials 81 (2015) 15-23, https://doi.org/10.1016/j.conbuildmat.2015.02.009.

      [13] Różycka, Agnieszka, and Waldemar Pichór, Effect of perlite waste addition on the properties of autoclaved aerated concrete, Construction and Building Materials 120 (2016) 65-71, https://doi.org/10.1016/j.conbuildmat.2016.05.019.

      [14] Türkmen, İbrahim, and Abdulhamit Kantarcı, Effects of expanded perlite aggregate and different curing conditions on the physical and mechanical properties of self-compacting concrete, Building and Environment 42.6 (2007) 2378-2383, https://doi.org/10.1016/j.buildenv.2006.06.002.

      [15] Khonsari, V., E. Eslami, and Ah Anvari, Effects of expanded perlite aggregate (EPA) on the mechanical behavior of lightweight concrete, Proceedings of the 7th International Conference on Fracture and Mechanics of Concrete & Concrete Structure (FraMCoS-7), Jeju, Korea. 2010.â€

      [16] Gao J, Suqa W, Morino K. Mechanical properties of steel ï¬ber-reinforced high-strength lightweight concrete. Cem Concr Compos 1997; 19:307–13. https://doi.org/10.1016/S0958-9465(97)00023-1.

      [17] Ayudhya N and Israngkura B (2011) Compressive and splitting tensile strength of autoclaved aerated concrete (AAC) containing perlite aggregate and polypropylene fiber subjected to high temperatures. Songklanakarin Journal of Science & Technology 33(5).

      [18] The Egyptian Chemical Industries – KIMA; http://www.kimaegypt.com/.

      [19] The Egyptian Company for manufacturing Perlite; http://www.perlite.com.eg/.

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  • How to Cite

    Husain, M., A Khater, M., & El-Ghamry, A. (2019). Enhancement of mechanical properties of lightweight concrete. International Journal of Engineering & Technology, 7(4), 4808-4813. https://doi.org/10.14419/ijet.v7i4.17687