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Radiological considerations in using uranium mine waste rock for road construction materials.

Gopal P Verma1, Pallavi Singhal1, Sanjay Kumar Jha1

  • 1Health Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India; Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094, India.

Journal of Environmental Radioactivity
|January 10, 2025
PubMed
Summary
This summary is machine-generated.

Uranium mine waste rock can be safely used in Indian road construction, with radiation doses below regulatory limits. This sustainable approach conserves natural resources and aids industrial waste management.

Keywords:
Circular economyConstruction industryMiningNORMsUraniumWaste rock

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Area of Science:

  • Environmental Science
  • Civil Engineering
  • Radiological Science

Background:

  • India faces aggregate scarcity for road construction, impacting infrastructure growth and increasing costs.
  • Industrial waste management is a significant challenge for India's economy.
  • Previous research on industrial waste in road construction overlooked radiological safety.

Purpose of the Study:

  • To assess the radiological safety of using uranium mine waste rock in road construction materials in India.
  • To evaluate external radiation doses associated with this application.
  • To determine compliance with national radiation safety standards.

Main Methods:

  • Utilized a typical layered road design prevalent in India.
  • Performed dose rate evaluations using the QAD-CGGP code.
  • Conducted real-world radiation measurements.

Main Results:

  • External radiation doses from using waste rock in road construction were found to be below 1 mSv/year for the public.
  • The observed dose rates meet the Atomic Energy Regulatory Board's criteria for unrestricted use of bulk materials.
  • The study confirms the feasibility of using lean uranium ore waste rock.

Conclusions:

  • Utilizing uranium mine waste rock in road construction is radiologically safe and complies with Indian regulations.
  • This practice offers a sustainable solution to aggregate scarcity and industrial waste management.
  • The approach promotes resource conservation, reduces ecological impact, and supports a circular economy.