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UTA civil engineer’s book illustrates the power of recycled plastic in shoring up roads

Soil reinforcementPlastics make up a large percentage of municipal solid waste that inhabit landfills. A UTA civil engineer is finding a better use for that plastic just lying around in landfills. Sahadat Hossain, a civil engineering professor at The University of Texas at Arlington, is taking landfill plastic and recycling it into giant pins that are inserted in failing soil on highway slopes. Those pins strengthen the failing soil and in turn the highways, putting off or eliminating the need to repair the roads. Hossain’s research, funded in prior years by the Texas Department of

UTA researcher earns TxDOT contract to use geocells to improve pavement infrastructure

Imporving infrastructureA researcher at The University of Texas at Arlington is working to determine the benefits of using recycled materials and geocells to improve Texas highways. Anand Puppala, a professor in the Civil Engineering Department, is using a two-year, $360,000 Texas Department of Transportation interagency contract to test the performance of recycled materials and geocells in a highway-widening project in Johnson County, Texas. This project will help TxDOT’s Fort Worth District determine if the geocell concept can be used as an additional tool to provide an effective

UTA researchers earn TxDOT contract to use unmanned aerial systems to inspect highways, railroads

Aerial inspectionResearchers at The University of Texas at Arlington will lead a collaborative effort to use unmanned aerial vehicles to inspect highways and railroads remotely and develop guidelines for how to safely complete the task. Civil Engineering Professor Anand Puppala is the primary investigator on the two-year, $770,909 Texas Department of Transportation agreement. Teams from Texas A&M University-Corpus Christi and Texas A&M’s Texas Transportation Institute also will contribute. Puppala and post-doctoral researchers Tejo Bheemasetti and Ujwal Patil, as well as Mike McNair

UTA researchers earn phase II TxDOT funding to model geothermal de-icing of bridges

Heating upA team of researchers at The University of Texas at Arlington will test concepts it developed during the last year to use geothermal energy to make Texas bridges and overpasses safer during winter weather.  Xinbao Yu, an assistant professor of civil engineering, is the lead investigator on a two-year, $743,000 award from the Texas Department of Transportation. The funding is phase II of a TxDOT Innovation Project that began with a $193,000 phase I award in 2015 and will use lab-scale models to test the findings from the first phase. Anand Puppala, a professor in the Civil

UTA researcher to employ scanning laser to measure microtexture of aggregates in Texas pavement

Data-driven discoveryA University of Texas at Arlington engineer is working with the Texas A&M Transportation Institute to assess whether scanning lasers can accurately measure microtexture of aggregates, which are used in asphalt and concrete mixtures. Roger Walker, a professor of computer science and engineering , is leading the two-year, $671,011 project, which is funded through the Texas Department of Transportation. The agency currently uses camera-based systems to assess aggregate characteristics. “These lasers will enable TxDOT to more accurately measure

Free transportation education and training now at UT Arlington

Transportation assistanceTexas cities and counties may now access free expertise in transportation training, safety instruction, heavy equipment courses and other services through a the Texas Local Technical Assistance Program operated by The University of Texas at Arlington. UTA’s Division of Enterprise Development has won a highly competitive, two-year $1.8 million grant to operate the program, which officials have named TxLTAP. The Texas Department of Transportation and Federal Highway Administration jointly fund the program, which provides technical assistance and workforce training

UT Arlington researchers use giant foam blocks to keep approach slabs of bridges from settling

Battling settling soilsA research team at The University of Texas at Arlington is using giant lightweight geofoam blocks to bolster the earth beneath roads and bridges and slow down the settling of roadways and bridges. Anand Puppala, UT Arlington associate dean for research in the College of Engineering  and distinguished scholar professor in the Civil Engineering Department , said that the majority of the world’s largest cities, often built in areas near water bodies, have soft and compressible soils. He said a good number of the

UT Arlington center to build underground freight system with TxDOT funding

A new routeThe University of Texas at Arlington has received a $1.2 million competitive research grant from the Texas Department of Transportation to investigate building underground freight transportation in certain urban environments with heavy truck traffic. Underground freight transportation is a class of unmanned transportation systems in which close-fitting capsules or trains of capsules carry freight through tubes between freight terminals, such as the port of Houston and the Dallas Fort Worth metro area. Mo Najafi, a UT Arlington civil engineering 

UT Arlington civil engineer to explore the use of geothermal energy to melt ice from bridges

Warming trendA team of researchers from The University of Texas at Arlington is exploring ways to use geothermal energy to make bridges and overpasses safer during winter weather. Xinbao Yu, an assistant professor of civil engineering , is the lead investigator on a 17-month, $193,000 grant from the Texas Department of Transportation that will determine the feasibility of using geothermal energy to melt ice and snow from Texas roads. Anand Puppala, professor of civil engineering and associate dean of research in the College of Engineering, is co-PI and will work

UT Arlington Public Works Institute to deliver traffic work zone safety classes

Safety trainingThe University of Texas at Arlington’s Public Works Institute in the Division of Enterprise Development received a $486,234 Texas Department of Transportation contract to train city and county work crews on working in traffic safety zones. Institute Director Bryan Sims said work zone safety is crucial in Texas with the number of miles of roads that exist in the Lone Star State. “These training courses will lead to safer work zones in Texas,” Sims said. “Our focus will be to work with city and county departments that are in the road, traffic, water, sewer and

UT Arlington study shows high-speed rail trip to Houston could take less than two hours

Lines would be mostly within existing TxDOT right of wayA UT Arlington feasibility study of high-speed rail in Texas shows that trips between most city pairs that use existing Texas Department of Transportation right-of-way can be made in less than two hours, making it competitive with air travel and superior to highway driving. Steve Mattingly, a UT Arlington civil engineer who conducted the case study, evaluated routes between Dallas-Fort Worth and Houston, Dallas-Fort Worth and San Antonio, San Antonio and Houston, and Houston and Waco. He also investigated a high-speed rail stop in

UT Arlington civil engineers using recycled plastic pins to shore up failing highway slopes

Landfill material used to mend soilA UT Arlington civil engineering researcher has won a $1 million state transportation department grant to install pins made from reclaimed and recycled plastic along some of the region’s busiest highways to shore up clay soils that support the roads. Sahadat Hossain, an associate professor of civil engineering , demonstrated the technique as a cost effective and efficient solution to failing soil slopes as part of the project during the last few years. His team first installed the pins along U.S. 287 in Midlothian. The study

UT Arlington civil engineering professor studying Texas high-speed rail plan

Research focuses on using existing TxDOT right of wayA UT Arlington civil engineering associate professor is studying the feasibility of placing a high-speed rail line within the public right of way from North Texas to Houston and San Antonio. The work is funded by the Texas Department of Transportation. Stephen Mattingly , an associate professor of civil engineering, is assessing the performance constraints to safe operation and design, which affect a high-speed train’s average speed and overall system cost as part of his research. The

Pavement testing machine, new center to help evaluate durability of road materials

The Texas Department of Transportation has awarded a $1.12 million grant to a UT Arlington civil engineering professor to determine the durability of recycled materials for use in road construction. As part of the project, UT Arlington is building a new accelerated pavement testing center, next to The UT Arlington Research Institute on Jack Newell Boulevard in Fort Worth just off Loop 820. The center is scheduled to open this fall. The overall road pad at the accelerated pavement testing center could be a little bigger than a half-acre in size. Stefan Romanoschi, an associate

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