Mathews to discuss waste products in construction materials

Dr. Grady Mathews, assistant professor of civil engineering in Penn State Harrisburg’s School of Science, Engineering, and Technology, will present "Utilization of Waste Products in Construction Materials" on Wednesday, September 12 from noon to 1:30 p.m. in the Olmsted Building Gallery Lounge on campus.

In 2014, the U.S. produced 258 million tons of solid waste, of which 136 million tons (53 percent) were disposed of in landfills. This represents a significant increase from the 244 million tons of solid waste generated in 2000, and the 208 million tons generated in 1990. Despite this increase, the U.S. has not developed a robust recycling infrastructure to counteract the large amount of solid waste sent to landfills.

This presentation investigates the use of solid waste in construction materials as an alternative to landfill disposal. The utilization of two solid waste materials will be explored: reclaimed sands from incinerated solid waste, and flat panel display glass.

Mathews research interests include sustainability, construction materials, recycled solid waste, and materials specifications.

The presentation is free and open to the public. For more information, please contact Stephanie Ponnett at [email protected].

To watch the presentation online, please visit