Across the country, our transportation infrastructure is aging. Designed to last a certain amount of time, our nation’s bridges are reaching the end of their design life. Approximately 56,000 bridges, are considered to be in "poor" condition, on which we daily take 188 million trips. Today, the estimated cost to rehabilitate our deficient bridges is $123 billion – posing a significant burden on taxpayers. Without remediation, bridges that are rated as "poor" are also in danger of collapsing, which may lead to deaths and damage to surrounding property.

Moreover, population in the coastal regions are feeling the wrath of climate change, which has led to an increase in hurricanes, flooding, and sea level rise. The climate change also causes higher rates of degradation in residential and commercial buildings, and transportation infrastructures which makes them highly vulnerable to collapse under natural hazards.

The main goal of our research is to develop and integrate advanced materials in bridges, residential, and commercial buildings, to make them more durable and resilient when faced with today’s natural hazards. The use of appropriate materials to repair existing structures and to construct new structures can reduce maintenance efforts and slow down structural deterioration, ultimately improving structural performance, and reducing overall lifecycle costs.

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Welcome to Tatar Research Group at the University of Delaware


August 06, 2020

ARPA-E Grant

We are excited to participate on a new ARPA-E project "TuFF Internal Wrap for Rapid Pipeline Repair (TuFF iWRAP)" with the UD Center for Composite Materials!

July 08, 2020

Paper published in Materials and Structures

Our paper "Rapid heat-activated post-tensioning of damaged reinforced concrete girders with unbonded near-surface mounted (NSM) NiTiNb shape-memory alloy wires" was published in Materials and Structures. A huge shout out to LaDOTD and LTRC for funding this work!

June 24, 2020

Congratulations Abass, Ali and Sandra!

Congratulations to Abass Okeola, Ali Cicek and Sandra Milev on passing their preliminary Ph.D. exams!

March 03, 2020

2020 ASCE ExCEEd Fellowship

Prof. Tatar was selected as a 2020 ExCEEd Fellow by the American Society of Civil Engineers. He will attend a teaching workshop at Florida Golf Coast University in Fort Myers, FL in August! 

February 21, 2020

DelDOT Awards

Tatar Research Group was awarded two collaborative projects by the Delaware Department of Transportation (DelDOT)! We will work to investigate the "Bonding of Overlays to Ultra-High Performance Concrete" (PI: Tatar, Co-PIs: Mondal, Head) and the "Structural Performance Verification of Pipe Liners for Corrugated Metal Pipes" (PI: Head, Co-PIs: Shenton, Tatar, Chajes).

February 03, 2020


Tatar Research Group was awarded two projects by the USDOT Center for Integrated Asset Management for Multimodal Transportation Infrastructure Systems (CIAMTIS): 

“Extending the Service Life of Rigid Pavement Joints with Self-Healing Sealants”  (UD PIs: Tatar and Kloxin; Virginia Tech PI: Brand)

“Durability Assessment of Externally Bonded Fiber-Reinforced Polymer Composite Repairs in Bridges” (PI: Tatar)

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