Journal of Infrastructure Systems: Recent submissions

Now showing items 1181-1200 of 1280

    • Development of Prototype Highway Asset Management System 

      Nasir G. Gharaibeh; Michael I. Darter; Donald R. Uzarski (American Society of Civil Engineers, 1999)
      A prototype methodology for integrating highway infrastructure management activities has been developed. This paper describes the analytical procedures and data integration and presentation methods as well as the geographic ...

    • Computer-Aided Facilities Inspection 

      Eddy M. Rojas; Anthony D. Songer (American Society of Civil Engineers, 1999)
      This paper presents the development of a computer-aided facilities inspection system based on Web-centric technologies and pen-based computers. The system, called Field Inspection Reporting System, was field tested at the ...

    • Fault Tree Analysis of Bridge Failure due to Scour and Channel Instability 

      Peggy A. Johnson (American Society of Civil Engineers, 1999)
      Fault tree analysis is a systematic method of analyzing events that lead to an undesirable event. Fault trees can be used to assess the probability of failure of a system (or top event), to compare design alternatives, to ...

    • Condition Index Assessment for U.S. Army Corps of Engineers Civil Works 

      David T. McKay; Kevin L. Rens; Lowell F. Greimann; James H. Stecker (American Society of Civil Engineers, 1999)
      The U.S. Army Corps of Engineers is developing uniform condition assessment procedures for many of its civil works structures. The collected data are to be used in conjunction with other methodologies to focus and prioritize ...

    • Gauge Capability Analysis in Data Collection for Acoustic Tomography 

      Galina S. Leiphart; Kevin L. Rens; James L. Knappmiller (American Society of Civil Engineers, 1999)
      Acoustic tomography is the art of imaging the internal structure of a specimen through the use of sound waves. In this research, the James Instruments, Inc., Chicago, velocity meter (v-meter) was examined for travel time ...

    • Traffic Delay Cost Savings Associated with Trenchless Technology 

      Susan Tighe; Thomas Lee; Robert McKim; Ralph Haas (American Society of Civil Engineers, 1999)
      This paper focuses on trenchless technology cost savings due to elimination of traffic disruptions associated with utility cuts. Typical construction durations and traffic control plans for two lane roads have been utilized ...

    • Reducing Vulnerability of Water Supply Systems to Attack 

      Yacov Y. Haimes; Nicholas C. Matalas; James H. Lambert; Bronwyn A. Jackson; James F. R. Fellows (American Society of Civil Engineers, 1998)
      The paper reviews needs and opportunities to reduce the vulnerability of public water systems to willful attack. Water supply infrastructure systems, and their components are described in general. The terrorist threat is ...

    • Structural Safety and Serviceability of Concrete Bridges Subject to Corrosion 

      Mark G. Stewart; David V. Rosowsky (American Society of Civil Engineers, 1998)
      A structural reliability analysis model is developed to include interaction between transverse cracking, diffusion of chlorides, and corrosion initiation; influence of design specifications on corrosion initiation and ...

    • Maintenance of Municipal Infrastructure 

      Hans Löfsten (American Society of Civil Engineers, 1998)
      The overall aim of this paper is to work out the guidelines for efficient maintenance planning connected with the basic public utilities. The empirical section acts as a platform for the next section where the economic ...

    • Selectivity Bias in Modeling Highway Pavement Maintenance Effectiveness 

      Samer Madanat; Rabi Mishalani (American Society of Civil Engineers, 1998)
      In selecting the type of maintenance or rehabilitation (M&R) activity to apply to highway pavement sections, engineers rely on several items of information. Foremost among these is the effectiveness of the various M&R ...

    • Sampling Method for Cost Estimation of Highway Noise Barrier Infrastructure 

      Rahim F. Benekohal (American Society of Civil Engineers, 1998)
      A methodology for system-wide estimation of environmental mitigation costs based on a stratified random sampling technique is presented, and its application is illustrated using the highway noise barrier needs of a large ...

    • Framework for Modeling Durability Cost of Structural Systems 

      K. D. Hjelmstad; D. A. Lange; I. D. Parsons; F. V. Lawrence (American Society of Civil Engineers, 1998)
      A building materials durability model has been developed using a framework that encompasses environmental stimuli, material degradation, structural performance criteria, and maintenance strategies. The model takes a global ...

    • Life Cycle Cost Analysis (LCCA) in Municipal Organizations 

      David Arditi; Hany Mounir Messiha (American Society of Civil Engineers, 1999)
      The study reported in this paper has been conducted to shed light on the use of life cycle cost analysis (LCCA) in municipal organizations. The major objectives of the study are to identify the sources of data used in LCCA, ...

    • Structural Damage Detection Using Artificial Neural Networks 

      Jun Zhao; John N. Ivan; John T. DeWolf (American Society of Civil Engineers, 1998)
      Artificial neural networks are efficient computing techniques that are widely used to solve complex problems in many fields. In this study, a counterpropagation neural network is used to locate structural damage for a beam, ...

    • Notice Ratings as a Management Tool to Reduce Truck Rollovers on Ramps 

      Beatrice Isaacs; Mitsuru Saito; Claire E. McKnight (American Society of Civil Engineers, 1998)
      This paper presents a proactive method to identify and evaluate ramp characteristics that present a rollover hazard for trucks. It uses ratings developed from a survey in which experts in highway design and operations rated ...

    • Seismic Retrofit Program for Los Angeles Bridges 

      John A. Kuprenas; Farzin Madjidi; Alex Vidaurrazaga; Chen L. Lim (American Society of Civil Engineers, 1998)
      This paper details the work of the recent Bridge Seismic Retrofit Program for the city of Los Angeles. We describe the scope of the work completed and project funding through local and federal sources. The criteria used ...

    • Method for Estimating Transition Probability in Bridge Deterioration Models 

      Paul D. DeStefano; Dimitri A. Grivas (American Society of Civil Engineers, 1998)
      A method for estimating transition probability is applied to the deterioration models of a bridge management system. Deterioration is modeled as a time-dependent function of the condition changes of critical elements in ...

    • Connecticut's Bridge Infrastructure Monitoring Program for Assessment 

      John T. DeWolf; Michael P. Culmo; Robert G. Lauzon (American Society of Civil Engineers, 1998)
      A joint effort between the Connecticut Department of Transportation and the University of Connecticut has been underway since 1984 to use different monitoring approaches in the assessment of the state's bridge infrastructure. ...

    • Evaluating Viability of Privatized Transportation Projects 

      David Ashley; Richard Bauman; Jim Carroll; James Diekmann; Frank Finlayson (American Society of Civil Engineers, 1998)
      The public sector has increasingly been adopting private financing alternatives in providing new infrastructure investment to address an ever increasing imbalance between funding and needs for public works projects. These ...

    • Model for Analysis of Buried Pipes Installed Using Trenchless Construction Methods 

      Abdel-Aziz M. Omara; Fred A. Akl (American Society of Civil Engineers, 1998)
      Trenchless construction of pipes can influence the behavior of the soil mass surrounding the pipe depending on the method of construction. A new method for the analysis of buried pipes, introduced in this paper, is capable ...