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The rising costs and environmental concerns associated with traditional stabilizers such as cement and lime have driven research towards sustainable alternatives for soil stabilization. In this context, the present study examines the influence of Human Hair Fiber (HHF) reinforcement on the strength and deformation characteristics of a dredged soil (DS). Human hair fiber is a natural non-degradable waste material, which creates health and environmental problems if it is not disposed off in a scientific manner. A comprehensive laboratory testing program was designed in which the DS samples were reinforced with varying percentages of HHF (0.4%, 0.8%, 1.2%, 1.6%, and 2%), by dry weight of soil. Strength evaluation was examined by conducting a series of unconfined compressive strength and split tensile strength tests. HHF reinforced specimens demonstrated strain-hardening behavior as compared to the unreinforced specimens. The test results revealed 2.65 times strength improvement at HHF content of 2%. The use of human hair fiber for stabilization of dredged soil has dual advantages; first, it solves the disposal problem with human hair and second, it transforms the dredged waste material into a resourceful material for different applications of geotechnical engineering.

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An Experimental Study on the Mechanical Behavior of Human Hair Fiber Reinforced Dredged Soil

  • 会议论文

  • 发表日期：

    2026年

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  • Mohammad Iqbal Mirza,
  • Shujaat Hussain,
  • Tajalee Muneer,
  • Zubair Ahmad Malik,
  • Shahzad Hussain,
  • Akash Mohd Lone

摘要

The rising costs and environmental concerns associated with traditional stabilizers such as cement and lime have driven research towards sustainable alternatives for soil stabilization. In this context, the present study examines the influence of Human Hair Fiber (HHF) reinforcement on the strength and deformation characteristics of a dredged soil (DS). Human hair fiber is a natural non-degradable waste material, which creates health and environmental problems if it is not disposed off in a scientific manner. A comprehensive laboratory testing program was designed in which the DS samples were reinforced with varying percentages of HHF (0.4%, 0.8%, 1.2%, 1.6%, and 2%), by dry weight of soil. Strength evaluation was examined by conducting a series of unconfined compressive strength and split tensile strength tests. HHF reinforced specimens demonstrated strain-hardening behavior as compared to the unreinforced specimens. The test results revealed 2.65 times strength improvement at HHF content of 2%. The use of human hair fiber for stabilization of dredged soil has dual advantages; first, it solves the disposal problem with human hair and second, it transforms the dredged waste material into a resourceful material for different applications of geotechnical engineering.