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John J. Bowders joined the geotechnical and
geoenvironmental engineering group in August 1997. He served
on the Civil Engineering faculties at The University of
Texas at Austin and West Virginia University prior to coming
to Missouri. John's research interests include the effects
of chemicals and wastes on the properties and behavior of
soil, subsurface containment systems, in situ remediation
systems, and design of experiments for laboratory and field
tests involving water and chemical movement in soil. He
has collaborated on research involving geosynthetics, in
situ containment and waste containment systems. His current
work includes soil erosion and water quality in timber harvest
areas, pavement drainage systems, settlement of municipal
solid waste, asphalt barrier for waste containment, erosion
control using geosynthetics, soil vapor extraction using
wick drains and stabilization of slopes using recycled plastic
pins. John teaches courses covering seepage in soils, foundation
engineering, consolidation and settlement, and landfill
design.
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J. Erik Loehr joined the geotechnical and geoenvironmental
engineering group in January 1998. Erik's primary specialties
include evaluating the stability and performance of earth
slopes and retention systems, large-scale laboratory modeling
of geotechnical engineering problems, geotechnical composite
systems, and computer applications in geotechnical engineering.
His recent research projects include development and evaluation
of techniques for using recycled plastic reinforcement for
stabilization of surficial slope failures, large-scale laboratory
and numerical evaluation of reticulated micropile systems
for slope stabilization, development of a constitutive model
to predict the behavior of fiber-reinforced soils, application
of asset management principles to geotechnical engineering
structures, reliability-based design of earth slopes and
retaining structures, and application of Load and Resistance
Factor Design (LRFD) to earth slopes. Erik is a recipient
of an NSF CAREER Award and teaches courses covering fundamental
soil behavior, stability of slopes and earth retaining structures,
and foundation engineering and design.
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William J. Likos
(Assistant Professor)
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William J.
Likos joined the MU faculty in August 2002. Bill was previously
on the faculty at the Colorado School of Mines where he received
his doctoral degree in 2000. The emphasis of his most recent
work has been with expansive clays, which has included experimental
investigations of the crystalline swelling mechanism, drilling
fluid - shale interaction, and the development of new methodologies
for classifying swelling potential. Bill is widely involved
in unsaturated soil research, particularly in the development
of experimental techniques for measuring soil suction, suction-induced
stress, and the unsaturated permeability function. He is the
co-author of Unsaturated Soil Mechanics (Wiley, 2004). He
has been involved in a broad variety of projects including
geotechnical centrifuge modeling of dynamic soil-structure
interaction, in situ monitoring of active landslides, and
innovative computer controlled testing for measuring soil
properties and coupled fluid flow. He brings his exceptional
enthusiasm, energy, and technical capabilities to MU and will
be a driving force within the group. Bill teaches courses
in geotechnical earthquake engineering, unsaturated soil mechanics,
and clay behavior.
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Brent L. Rosenblad
(Assistant Professor)
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Brent
L. Rosenblad joined the MU faculty in August 2003. He
received his doctoral degree from The University of
Texas at Austin in 2000. Prior to coming to MU, Brent
was an instructor at the University of Texas at Austin
where he was also project manager for the Network for
Earthquake Engineering Simulation (NEES) project. Brent
managed the day-to-day operations of the $3-million
dollar NEES project to develop state-of-the-art field
equipment for geotechnical and structural earthquake
engineering research. Brent has significant experience
in the areas of non-destructive testing, soil dynamics
and in-situ studies of soil and rock properties. He
has been involved in pavement research such as non-destructive
methods to detect voids and delaminations in rigid pavements
and super-accelerated testing of pavements. His recent
work has focused on developing and applying non-intrusive
surface wave methods to characterize seafloor sediments.
Brent has also been involved in several soil characterization
studies in earthquake prone regions of the world such
as California, Turkey and Taiwan. He has collaborated
on many consulting projects including extensive site
characterization studies of the Yucca Mountain nuclear
storage facility in Nevada. Brent’s primary research
interests are in laboratory and field studies of dynamic
soil properties, application and development of non-intrusive
surface wave methods, and geotechnical aspects of pavement
performance. Brent currently teaches courses in soil
dynamics and geotechnical earthquake engineering.
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Yong-Chai Chang
(Visiting Professor) |
Yong-Chai Chang joined the geotechnical and geoenvironmental group as a visiting professor for the period of February 2007 to February 2008. He received his BE (1984), MS (1986), and PhD (1991) from Chonnam National University in Korea. His research interests include: Soft Ground Treatment, EPS Construction Method, Slope Stability, Geo-synthetics, and Highway Design and Construction. He is an Associate Professor at the Department of Ocean Civil Engineering, Faculty of Ocean System Engineering, Mokpo National Maritime University. Prior to his current position, he worked for the Geotechnical Division of Highway & Transportation Technology Institute, Korea Highway Corporation as a Principal Research Engineer.
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R.David Hammer
(Professor Emeritus)
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R. David Hammer is National Leader, Soil Survey Investigations for USDA-NRCS and is adjunct professor in the geotechnical and geoenvironmental engineering group. He joined the Geotechnical group in 2002 after a 16 year career as professor and chair of the Soil & Atmospheric Sciences Department at Missouri . David has degrees in mechanical engineering, ecology, and soil genesis. He has a wealth of experience in applying principles from soil science and natural resources to provide solutions to current environmental problems and brings a distinctly interdisciplinary character to the geotechnical engineering group. He is an active researcher on topics that include urban stormwater control, surface mine reclamation, effects of deforestation on soil erosion and water quality, and the temporal and spatial variability of soil carbon and its influence on global climate change. He has also served as a consultant for several high profile projects involving the same topics, and has chaired several national committees for the Soil Science Society of America. David has taught courses in soil mechanics, soil classification, hydrology, urban stormwater management, pedology, and geomorphology.
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