Faculty - Bill Davids
Bill
Davids, Ph.D., P.E.
John
C. Bridge Associate Professor of Civil and Environmental
Engineering
311 Boardman Hall
University of Maine
Orono, Maine 04469-5711
Phone: (207) 581-2116
Fax: (207) 581-3888
Email:
william.davids@umit.maine.edu
Education:
Ph.D. - Civil/Structural Engineering
University of Washington,
1998.
M.S. - Civil/Structural Engineering
University of Maine, 1991.
B.S. - Civil Engineering
University of Maine, 1989.
Courses:
CIE 442 Reinforced Concrete Design
CIE 443 Structural Steel Design
CIE 548 Bridge Engineering
CIE 549 Numerical Methods in Engineering
CIE 640 Advanced Structural Analysis
Research Interest:
Bill’s primary research interests are in
the areas of wood mechanics and engineered wood composites,
bridge engineering, inflatable structures, and the analysis of
concrete and asphalt pavements. His research projects often
encompass both experimental work and the development of
problem-specific numerical analysis techniques. He has
significant expertise in computational structural mechanics and
numerical methods, which he has applied to areas ranging from
the structural analysis of inflatable fabric arches to the
development of software for the finite-element analysis of
concrete and asphalt pavements. Bill is the primary developer of
EverFE (http://www.civil.umaine.edu/EverFE/),
a software package for the linear and nonlinear 3D finite
element analysis of jointed plain concrete pavements that
couples a highly interactive graphical user interface and
object-oriented C++ finite element code. Bill is a registered
Professional Engineer in the State of Maine, and gained four
years of professional experience as a structural bridge engineer
with Sverdrup Corporation (now Jacobs Engineering) in their
Seattle office.
Current Research:
Behavior and design of inflatable
fabric arch-supported structures.
Development of FE software for
flexible pavement analysis.
Field monitoring and FE simulation of
HP-supported integral abutment bridges.
Morphological lattice models for the
simulation of damage and fracture in wood.
Testing and analysis of geogrid-reinforced
base layers for asphalt pavements.
Infrastructure applications for
wood-plastic composite lumber.
Selected Publications:
Davids, W.G. and Zhang, H. (2008). “Beam Finite-Element for
Nonlinear Analysis of Pressurized Fabric Beam-Columns.”
Engineering Structures (in press).
Turner, A.M., Kabche, J.P., Peterson, M.L., Davids, W.G. (2008).
“Tension/Torsion Testing of Inflatable Fabric Tubes.”
Experimental Techniques (in press, to appear March 2008).
Davids, W.G., Nagy, E. and Richie, M.C. (2008). “Fatigue
Behavior or Composite-Reinforced Glulam Bridge Girders.”
Journal of Bridge Engineering, ASCE (in press, to appear
March 2008).
Davids, W.G. (2007). “Finite-Element Analysis of Pressurized
Fabric Tubes Including Pressure Effects and Local Fabric
Wrinkling.” Finite Elements in Analysis and Design,
44:24-33.
Davids, W.G., Zhang, H., Turner, A. and Peterson, M. (2007).
“Beam Finite-Element Analysis of Pressurized Fabric Tubes.”
Journal of Structural Engineering, 133(7):990-998.
Fournier, C.R., Davids, W.G., Nagy, E. and Landis, E.N. (2007).
“Morphological Lattice Models for the Simulation of Softwood
Fracture and Failure.”
Holzforschung,
61:360-366.
Sandford, T., Davids, W. G., Hartt, S.L. and Delano, J.G.
(2006). “Construction-induced Stresses in Steel H-Piles
Supporting an Integral Abutment Bridge.” Transportation
Research Record No. 1975: Journal of the Transportation Research
Board, TRB, National Research Council, Washington, D.C., pp
39-48.
Davids, W.G., Botting, J.K., Peterson, M. (2006). “Development
and Structural Testing of a Composite-Reinforced Timber Highway
Guardrail.” Construction and Building Materials,
20(9):733-743.
Cassidy, E.D., Davids, W.G., Dagher, H.J. and Gardner, D.J.
(2006). “Performance of Wood Shear Walls Sheathed with FRP-Reinforced
OSB Panels.” Journal of Structural Engineering,
132(1):153-163.
Weaver, C., Davids, W.G. and Dagher, H.J. (2004). “Testing and
Analysis of Partially Composite FRP-Glulam-Concrete Bridge
Girders.” Journal of Bridge Engineering, 9(4):316-325.
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