A recent study published in the Journal of Rehabilitation in Civil Engineering has unveiled a promising avenue for the construction sector by exploring the use of Biomedical Waste Incinerated Fly Ash (BMWIFA) as a stabilizing agent for low-volume road bases. Conducted by Ramulu Gugulothu, a Ph.D. candidate at the National Institute of Technology in Warangal, India, the research addresses a critical issue in waste management and infrastructure development.
Incineration is a widely adopted method for disposing of biomedical waste, generating significant quantities of BMWIFA. Traditionally, this ash has been relegated to landfills, raising concerns about environmental contamination and the sustainability of disposal practices. With limited landfill space and rising disposal costs, the construction industry is increasingly looking for innovative recycling methods. This study presents a compelling case for reusing BMWIFA, not just as waste but as a valuable resource in road construction.
Gugulothu’s research involved extensive experimentation with various blends of crushed aggregate, BMWIFA, and Ordinary Portland Cement (OPC). The team tested different ratios and stabilizer contents to determine the optimal mix for enhancing the strength and durability of low-volume roads. Remarkably, the findings indicate that specific blends meet the Ministry of Rural Development’s requirements for cement-treated bases, achieving a minimum unconfined compressive strength of 3 MPa within just seven days.
“The results are a game-changer,” says Gugulothu. “By integrating BMWIFA into road construction, we not only enhance the material properties but also contribute to an eco-friendlier approach to managing biomedical waste.” The study further highlights that the compositions of crushed aggregate, BMWIFA, and OPC were found to be non-hazardous, as confirmed by Toxicity Characteristics Leaching Procedure (TCLP) analysis for heavy metals.
This research could significantly impact the construction sector, particularly in regions where low-volume roads are essential for connectivity but are often underfunded or poorly constructed. By utilizing BMWIFA, contractors can achieve cost savings while promoting sustainable practices. As the construction industry faces increasing pressure to adopt environmentally responsible methods, this study provides a viable solution that aligns with global sustainability goals.
In an era where waste management and resource conservation are paramount, Gugulothu’s findings pave the way for innovative solutions in civil engineering. The potential for widespread adoption of BMWIFA in road construction could not only revolutionize how we think about waste but also enhance infrastructure quality across various regions.
For more information about Ramulu Gugulothu’s work, you can visit his profile at National Institute of Technology, Warangal.
