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Full-Text Articles in Engineering

New Federal Rules And Digital Evidence, Gavin W. Manes, Elizabeth Downing, Lance Watson, Christopher Thrutchley Apr 2007

New Federal Rules And Digital Evidence, Gavin W. Manes, Elizabeth Downing, Lance Watson, Christopher Thrutchley

Annual ADFSL Conference on Digital Forensics, Security and Law

The newly revised Federal Rules of Civil Procedure and developments under the Federal Rules of Evidence have a significant impact on the use, collection, and treatment of digital evidence for legal proceedings. The Rules now formally grant electronic documents and digital evidence the same status as paper and other forms of tangible evidence. As a result, the availability and proper preservation of potentially relevant electronic evidence must be considered, at the very latest, in the preliminary stages of litigation and, at the earliest, as soon as litigation is reasonably anticipated. It is important for professionals to be familiar with the …


The General Digital Forensics Model, Steven Rigby, Marcus K. Rogers Apr 2007

The General Digital Forensics Model, Steven Rigby, Marcus K. Rogers

Annual ADFSL Conference on Digital Forensics, Security and Law

The lack of a graphical representation of all of the principles, processes, and phases necessary to carry out an digital forensic investigation is a key inhibitor to effective education in this newly emerging field of study. Many digital forensic models have been suggested for this purpose but they lack explanatory power as they are merely a collection of lists or one-dimensional figures. This paper presents a new multi-dimensional model, the General Digital Forensics Model (GDFM), that shows the relationships and inter-connectedness of the principles and processes needed within the domain of digital forensics.

Keywords: process model, computer forensics, expert learning, …


Teams Responsibilities For Digital Forensic Process, Salma Abdalla, Sherif Hazem, Sherif Hashem Apr 2007

Teams Responsibilities For Digital Forensic Process, Salma Abdalla, Sherif Hazem, Sherif Hashem

Annual ADFSL Conference on Digital Forensics, Security and Law

This paper presents a detailed digital forensics process model and the responsible teams to perform it. The discussed model presents three teams and a forensic leader who coordinate between the three teams; these teams are physical crime scene team, laboratory examination team and courtroom team. These teams are responsible of achieving the digital forensic model by applying five main phases which are preparation phase, physical forensics and investigation phase, digital forensics phase, reporting and presentation phase and closure phase.

Most of the existing models in this field are either theoretical that deals with data processing or based on a legal …


The Evolution Of Internet Legal Regulation In Addressing Crime And Terrorism, Murdoch Watney Apr 2007

The Evolution Of Internet Legal Regulation In Addressing Crime And Terrorism, Murdoch Watney

Annual ADFSL Conference on Digital Forensics, Security and Law

Internet regulation has evolved from self-regulation to the criminalization of conduct to state control of information available, accessed and submitted. Criticism has been leveled at the different forms of state control and the methods employed to enforce state control. After the terrorist attack on the USA on 11 September 2001, governments justify Internet state control as a law enforcement and national security tool against the abuse and misuse of the Internet for the commission of serious crimes, such as phishing, child pornography; terrorism and copyright infringement. Some Internet users and civil rights groups perceive state control as an abomination which …


Poster Session, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Poster Session, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Identification of potential bacterial sources and levels, Red Duck Creek, Mayfield, Kentucky, Brooke Vorbeck, Travis Martin, and Mike Kemp, Dept of Industrial and Engineering Technology, Murray State University
  • Water-quality trend analysis for streams in Kentucky, A.S. Crain and G.R. Martin, USGS, Louisville
  • Preliminary Results of a Fecal Microbe Survey in a Eutrophic Lake, Wilgreen Lake, Madison County, Kentucky, W.S. Borowski and M.S. Albright, Depts of Earth Sciences and Geography, EKU
  • Preliminary Physical and Chemical Characteristics of an Eutrophic Lake, Wilgreen Lake, Madison County, Kentucky, E.C. Jolly and W.S. Borowski, Dept of Earth Sciences, EKU
  • Lethal and …


Session 2d: Superfund, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 2d: Superfund, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Challenges and Opportunities in Working Directly with Affected Superfund Communities in Kentucky, Lisa Gaetke, Nutrition and Food Science, UK
  • Selected Chloro-Organic Detoxifications by Poly-Chelate (polyacrylic acid) and Citrate-Based Fenton Reaction at Neutral pH Environment, YongChao Li, L. G. Bachas, and Dibakar Bhattacharyya, Depts of Chemical & Materials Engineering and Chemisty, UK
  • Reductive Degradation of Cholorinated Organics by Membrane-Supported Nonoparticles, Jian Xu and Dibakar Bhattacharyya, Dept of Chemical & Materials Engineering, UK


Session 2c: Education/Outreach, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 2c: Education/Outreach, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • 5 Stars, 15 Students, and 5000 Trees, A.A. Gumbert and others, Extension Associate for Environmental and Natural Resource Issues, UK
  • The Water Pioneers Water Quality Initiative, Stephanie Jenkins, Doug McLaren, Blake Newton, Amanda Abnee, UK
  • Local and State Partnership for MS4 Success in Kentucky – Coordinated Communication, Education and Outreach, C.D. McCormick and Shelby Jett, FMSM Engineers, Louisville and Kentucky Transportation Cabinet
  • Illicit Discharge Detection and Elimination: A Challenge for Kentucky’s Stormwater Program Cities, B. Tonning, R. Walker, and J. Arnold, Tetra Tech, Lexington


Session 2b: Goundwater, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 2b: Goundwater, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Kentucky Groundwater-Quality Mapping Service, R.S. Fisher and Bart Davidson, KGS
  • Kentucky Groundwater-Quality Data Search Engine, Bart Davidson and R.S. Fisher, KGS
  • Water Quality in the Karst Terrane of the Sinking Creek Basin, Kentucky 2004-06, Angela S. Crain, USGS, Louisville
  • Salt Movement Through the Vadose Zone of a Karst Soil – First Experiences with a Transfer Function Approach, Ole Wendroth and others, Dept Plant and Soil Sciences, UK


Session 2a: Surface Water, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 2a: Surface Water, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Development and Application of a New Sediment Fingerprinting Methodology for the Commonwealth of Kentucky, Charles Davis and Jimmy Fox, Dept of Civil Engineering, UK
  • Accounting for Construction Stormwater in TMDL Development for Sediment Impaired Streams in Rapidly Growing Residential Areas, Jon Ludwig and John Bekman, Tetra Tech, and David Montali, WVDEP
  • Responses of Riparian Plant Diversity to Gradients in Flood Frequency and Severity, Patrick Lawless and Jimmy Fox, Depts of Geography and Civil Engineering, UK


Session 1d: Biology, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 1d: Biology, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Long-Term Assessments and Seasonal Variations of Polychlorinated Biphenyls (PCBs) in Water, Sediments, Floodplain Soils, and Sentinel Fish Species from Big and Little Bayou Creeks, McCracken County, Kentucky, D.J. Price, Dept of Biology, UK
  • Characterization of total dissolved solids (TDS) toxicity to Ceriodaphnia dubia associated with effluent discharges from a meat packaging industry, Agus Sofyan and David Price, Dept of Biology, UK
  • Wilson Creek Restoration and the Response in Food Web Function and Fish Community Structure, Wesley Daniel and Jeff Jack, Dept of Biology and Center for Environmental Science, U of L


Session 1c: Epscor Projects, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 1c: Epscor Projects, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Colloidal Arsenic in Poultry-Litter Amended Soils, Lisa Y. Blue and others, Dept of Chemistry, UK
  • Environmental Monitoring and Assessment of Arsenic Metal in Groundwater Samples from Ballard, Carlisle, and Graves Counties, Kentucky, H.B. Fannin and others, Dept of Chemistry, Murray State University
  • Environmental Monitoring and Assessment of the Groundwater Quality in Calloway County, Kentucky, Dan Kotter and others, KGS, Henderson, KY
  • Land-Use Effects on Water Quality Within Lower Howard Creek Watershed, Southwestern Clark County, Kentucky, S.D. Daugherty and J.S. Dinger, Dept Earth & Environmental Sciences and KGS, UK


Session 1b: Student Research Projects, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 1b: Student Research Projects, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Experimental Study of the Impact of Upland Sediment Supply upon Cohesive Streambank Erosion Part I: Fluid Turbulence, Brian Belcher and Jimmy Fox, Dept of Civil Engineering, UK
  • Toward Using a Three-Dimensional Numerical Model for Simulating Hydrodynamics Near a Dam for Constructing the Rating Curve, Z.S. Shao and S.A. Yost, Dept of Civil Engineering, UK
  • Property Taxation and Forest Fragmentation in Kentucky Watersheds, Scott Brodbeck and Tamara Cushing, Dept of Forestry, UK
  • Solute and Particle Tracer Movement Under Various Flow Conditions in a Karst Groundwater Basin, Inner Bluegrass Region, Kentucky, J.W. Ward and others, Dept Earth and …


Session 1a: Microbial Source Tracking, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Session 1a: Microbial Source Tracking, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

  • Detecting Multiple Source Origins from Fecal Bacteria Antibiotic Resistance Patterns, Sloane Ritchey and M.S. Coyne, Environmental Research Institute, EKU and Dept of Plant and Soil Sciences, UK
  • Microbial Source Tracking; Limits and Application, Steve Evans, Third Rock Consultants, Lexington
  • Triplett Creek Focus Study, Brian Reeder and April Haight, Institute for Regional Analysis and Public Policy, Morehead State University


Proceedings Of 2007 Kentucky Water Resources Annual Symposium, Kentucky Water Resources Research Institute, University Of Kentucky Mar 2007

Proceedings Of 2007 Kentucky Water Resources Annual Symposium, Kentucky Water Resources Research Institute, University Of Kentucky

Kentucky Water Resources Annual Symposium

This conference was planned and conducted as part of the state water resources research annual program with the support and collaboration of the Department of the Interior, U.S. Geological Survey and the University of Kentucky Research Foundation, under Grant Agreement Number 06HQGR0087.

The views and conclusions contained in this document and presented at the symposium are those of the abstract authors and presenters and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government or other symposium organizers and sponsors.


Bracing Strength And Stiffness Requirements For Axially Loaded Lipped Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala Oct 2006

Bracing Strength And Stiffness Requirements For Axially Loaded Lipped Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Shear Rigidity Of Sheathed Walls With Pneumatically Driven Pin Connections, Wimal Suaris, Stuart Werner Baur Oct 2006

Shear Rigidity Of Sheathed Walls With Pneumatically Driven Pin Connections, Wimal Suaris, Stuart Werner Baur

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Strength And Stiffness Of Conventional Bridging Systems For Cold-Formed Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala Oct 2006

Strength And Stiffness Of Conventional Bridging Systems For Cold-Formed Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


The 2002 Aisi Cold-Formed Steel Design Manual, Richard C. Kaehler, Helen Chen Oct 2006

The 2002 Aisi Cold-Formed Steel Design Manual, Richard C. Kaehler, Helen Chen

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Analysis Of Conventionally Framed Hip Roofs Using Cold-Formed Steel Members, Luke Waldo, Sutton F. Stephens, Roger A. Laboube Oct 2006

Analysis Of Conventionally Framed Hip Roofs Using Cold-Formed Steel Members, Luke Waldo, Sutton F. Stephens, Roger A. Laboube

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Effects Of Hail Damage On The Carrying Capacity Of Standing Seam Profiles, A. Hubner, H. Saal Oct 2006

Effects Of Hail Damage On The Carrying Capacity Of Standing Seam Profiles, A. Hubner, H. Saal

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Impact Of Holes On The Elastic Buckling Of Cold-Formed Steel Columns With Application To The Direct Strength Method, Christopher D. Moen, Benjamin W. Schafer Oct 2006

Impact Of Holes On The Elastic Buckling Of Cold-Formed Steel Columns With Application To The Direct Strength Method, Christopher D. Moen, Benjamin W. Schafer

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Mbma-Sponsored Cold-Formed Steel Research 50th Anniversary Retrospective, W. Lee Shoemaker Oct 2006

Mbma-Sponsored Cold-Formed Steel Research 50th Anniversary Retrospective, W. Lee Shoemaker

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Distortional Buckling Of Cold-Formed Steel Members, Maximiliano Malite, Roberto Martins Goncalves, Jorge Munaiar Neto, Gustavo M. B. Chodraui Oct 2006

Distortional Buckling Of Cold-Formed Steel Members, Maximiliano Malite, Roberto Martins Goncalves, Jorge Munaiar Neto, Gustavo M. B. Chodraui

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

Cold-formed steel members are widely employed in steel construction because their structural components are lighter and more economical than traditional hot-rolled ones. Nowadays, the easy availability and accessible cost of high-strength low-alloy steels, weathering steels and zinc-coated steels have led to members with high width/thickness ratios, rendering them even more susceptible to local buckling, which is characterized by a plate buckling and which can also lead to another buckling mode called distortional buckling, affecting mainly members with edge stiffeners (lipped channels and Z-sections, hat, rack, etc.). Hence, current versions of technical codes for cold-formed steel design have warned about the …


Distortional Buckling Tests On Cold-Formed Steel Beams, Cheng Yu, Benjamin W. Schafer Oct 2006

Distortional Buckling Tests On Cold-Formed Steel Beams, Cheng Yu, Benjamin W. Schafer

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

Laterally braced cold-formed steel beams generally fail due to local or distortional buckling. When the compression flange is not restrained by attachment to sheathing or paneling, such as in negative bending of continuous members (joist, purlins, etc.), members are prone to distortional failures. However, distortional buckling remains a largely unaddressed problem in the main body of the North American Specification (NAS 2001). Only a limited amount of experimental data on unrestricted distortional buckling in bending is available, therefore a new series of distortional buckling tests was completed. The test details are selected specifically to insure that distortional buckling is free …


Local-Plate And Distortional Post-Buckling Behavior Of Cold-Formed Steel Lipped Channel Columns With Intermediate Stiffeners, Nuno Silvestre, Dinar Camotim Oct 2006

Local-Plate And Distortional Post-Buckling Behavior Of Cold-Formed Steel Lipped Channel Columns With Intermediate Stiffeners, Nuno Silvestre, Dinar Camotim

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

This paper reports the results of an investigation concerning the local-plate and distortional post-buckling behavior of cold-formed steel lipped channel columns with web and flange intermediate stiffeners. They have all been obtained through geometrically non-linear analyses based on a recently developed and implemented Generalized Beam Theory (GBT) formulation that incorporates (i) conventional (shear undeformable), (ii) shear (non-linear warping) and (iii) transverse extension deformation modes. These results, some of which are compared with values yielded by shell finite element analyses performed in the code ABAQUS (mostly for validation purposes), provide the evolution, along a given local-plate or distortional post-buckling equilibrium path, …


Stress Gradient Effect On The Buckling Of Thin Plates, Cheng Yu, Benjamin W. Schafer Oct 2006

Stress Gradient Effect On The Buckling Of Thin Plates, Cheng Yu, Benjamin W. Schafer

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

This paper presents an analytical method to calculate the buckling stress of a rectangular thin plate under nonuniform applied axial stresses. Two cases are considered, buckling of a plate simply supported on all four sides and buckling of a plate simply supported on three sides with one unloaded edge free and the opposite unloaded edge rotationally restrained. These two cases illustrate the influence of stress (moment) gradient on stiffened and unstiffened elements, respectively. The axial stress gradient is equilibrated by shear forces along the supported edges. A Rayleigh-Ritz solution with an assumed deflection function as a combination of a polynomial …


Cold-Formed Steel Frame Shear Wall Applications With Structural Adhesives, Geynaud Serrette, Ioi Lam, Henry Qi, Hugo Hernandez Oct 2006

Cold-Formed Steel Frame Shear Wall Applications With Structural Adhesives, Geynaud Serrette, Ioi Lam, Henry Qi, Hugo Hernandez

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


A Detailed Examination Of Interactive Buckling In Plain Channel Sections, A. Aziz Oct 2006

A Detailed Examination Of Interactive Buckling In Plain Channel Sections, A. Aziz

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Direct Strength Method For Lipped Channel Columns And Beams Affected By Local-Plate/Distortional Interaction, Nuno Silvestre Oct 2006

Direct Strength Method For Lipped Channel Columns And Beams Affected By Local-Plate/Distortional Interaction, Nuno Silvestre

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Lateral Distortional Buckling Behaviour Of A New Cold-Formed Hollow Flange Channel Section, Dhammika Mahaarachchi, Mahen Mahendran, Herm Hofmeyer Oct 2006

Lateral Distortional Buckling Behaviour Of A New Cold-Formed Hollow Flange Channel Section, Dhammika Mahaarachchi, Mahen Mahendran, Herm Hofmeyer

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.