Geopolymer-Based Solutions for Coal Combustion Product Solidification and Stabilization (EREF)

Sponsored by the Environmental Research and Education Foundation, this project proposes the use of thermodynamic phase equilibria modeling to optimize design of alkali-activated coal combustion products for solidification/stabilization.  The CCP tested are those that cannot be used for construction materials and are, thus, landfilled.  The alkali-activated materials are tested for leaching of heavy metals following "LEAF" protocols.

Implementation: Investigation of Alternative Supplementary Cementing Materials (SCMs) (TxDOT 5-6717)

Sponsored by the Texas Department of Transportation, this work aims to test alternatives to Class F fly ash for concrete mixtures used in Texas concrete infrastructure applications.  Class F fly ash is in limited supply in Texas, yet is relied upon heavily for improving concrete durability.  Alternative materials must meet durability criteria, while having reasonable cost and availability.  Materials tested include reclaimed and remediated fly ash as well as natural pozzolan byproduct materials.

Photocatalytic NOx/HRVOC/O3 Removal in Transportation Applications (TxDOT 0-6636)

Sponsored by the Texas Department of Transportation, this research is characterizing commercial, TiO2-based coatings for concrete for their durability and capacity to remove pollutants from outdoor air.  

Inorganic Polymers: Novel OPC-free Binders for Transportation Infrastructure (FHWA) 
Led by researchers at UCLA and in collaboration with faculty at UCSB, this project aims to develop methodologies to predict performance of alkali-activated fly-ash binders for concrete through a combination of experiments and modeling.