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The Use of Calcium Lactate to Enhance the Durability and Engineering Properties of Bioconcrete

Author

Listed:
  • Saddam Hussein Abo Sabah

    (Jamilus Research Centre for Sustainable Construction (JRC), Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia)

  • Luis Hii Anneza

    (Jamilus Research Centre for Sustainable Construction (JRC), Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia)

  • Mohd Irwan Juki

    (Jamilus Research Centre for Sustainable Construction (JRC), Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia)

  • Hisham Alabduljabbar

    (Department of Civil Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia)

  • Norzila Othman

    (Micro-Pollutant Research Centre (MPRC), Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia)

  • Adel Ali Al-Gheethi

    (Micro-Pollutant Research Centre (MPRC), Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia)

  • Abdullah Faisal Al-Shalif

    (Jamilus Research Centre for Sustainable Construction (JRC), Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, Parit Raja 86400, Johor, Malaysia)

Abstract

This study investigated the optimization of the bioconcrete engineering properties and durability as a response of the calcium lactate (CL) content (0.22–2.18 g/L) and curing duration (7–28 days) using the response surface methodology (RSM). Scanning electronic microscopy (SEM) was conducted to evaluate the microstructure of calcium precipitated inside the bioconcrete. The results indicated that the optimal conditions for the engineering properties of concrete and durability were determined at 2.18 g/L of CL content after 23.4 days. The actual and predicted values of the compressive strength, splitting tensile strength, flexural strength, and water absorption were 43.51 vs. 43.43, 3.19 vs. 3.19, 6.93 vs. 5.50, and 7.55 vs. 7.55, respectively, with a level of confidence exceeding 95%. The scanning electron microscope (SEM) images and energy-dispersive X-ray spectroscopy (EDX) proved that the amount of calcium increased with the increase in CL content up to 2.81 g/L at 23.4 days, reducing the pores inside the concrete and making it a great potential option for healing of concrete structures.

Suggested Citation

  • Saddam Hussein Abo Sabah & Luis Hii Anneza & Mohd Irwan Juki & Hisham Alabduljabbar & Norzila Othman & Adel Ali Al-Gheethi & Abdullah Faisal Al-Shalif, 2021. "The Use of Calcium Lactate to Enhance the Durability and Engineering Properties of Bioconcrete," Sustainability, MDPI, vol. 13(16), pages 1-16, August.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:16:p:9269-:d:616727
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