Recent Publications
Zero-Trust Security for Distributed Energy Resources – A Comprehensive Review of Threats, Vulnerabilities, and Countermeasures
Distributed Energy Resources (DERs) have added another layer of cybersecurity issues in today’s world with more devices, more ownership, more remote locations, and increased reliance on digital communication networks. These attributes extend the attack surface of modern power systems and render traditional perimeter-control based security methods useless. In this review, the application of zero-trust security …
Mechanical and Physical Properties of Heat-Treated Crumb Rubber Concrete at High Fine Aggregate Replacement Levels Implications for Sustainable Lightweight Construction
The escalating global production of waste tires exceeding 1.5 billion units annually presents an acute environmental challenge that demands integration with sustainable construction strategies. This study investigates the mechanical and physical performance of concrete incorporating heat-treated crumb rubber (CR) as a partial fine aggregate replacement at six substitution levels: 20%, 30%, 40%, 50%, 60%, and …
Sustainable Enzymatic Dehairing of Cowhide Using Pineapple-Derived Bromelain
The leather industry traditionally employs lime and sodium sulfide for unhairing, generating highly alkaline wastewater and significant environmental pollution. This study evaluates the potential of bromelain extracted from different parts of pineapple (Ananas comosus) crown, fruit, peel, and leaves as an eco-friendly alternative for enzymatic unhairing of cowhide, and compares its performance with the conventional …
Sustainable Enzymatic Dehairing of Cowhide Using Pineapple-Derived BromelainRead More
Particulate Matter Exposure and Health Effects Among Construction Workers in Sri Lanka
Construction workers are routinely exposed to airborne particulate matter (PM) generated by activities such as cutting, drilling, demolition, and excavation. In Sri Lanka, where dust management practices on construction sites are often inadequate, this exposure poses a serious but underexamined occupational health risk. This study assessed PM exposure levels and associated health effects among construction …
Particulate Matter Exposure and Health Effects Among Construction Workers in Sri LankaRead More
Assessing the Effectiveness of Rice Husk Ash and Putty Waste Dust as Sustainable Additives to Enhance the Performance of Subbase Materials in Road Construction
Weak subbase soils pose a significant challenge in road construction, particularly in tropical regions where expansive and low-bearing-capacity soils are prevalent. Conventional stabilizers such as cement and lime, while effective, are associated with high cost and substantial carbon emissions. This study investigates the combined effect of rice husk ash (RHA) and waste putty dust (WPD) …
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