Scour Retrofit Case Studies for Arizona
Scour retrofit involves a coordinated analysis and joint determination of action by several engineering disciplines: typically, geotechnical, hydraulic and structural engineering. The...
Bridge Scour Prediction Methods Applicable to Streams in Pennsylvania
The Pennsylvania Department of Transportation, PennDOT, currently owns or maintains in excess of 28,000 bridges over 8 feet in length. The most common type of damage sustained by these...
Oxygenation Experiments in the Wave Breaking Zone
Experiments on oxygenation due to waves breaking on a uniformly sloping beach were carried out at the laboratory of Harbor Works, National Technical University of Athens. The influence...
Evaluation of an Existing Scour Hole at the Castleton Bridge, a Tidal Crossing
Several fathometric surveys conducted in recent years showed a large depression or scour hole on the downstream southeast corner of the central pier of the Castleton Bridge over the Hudson...
Development of Bridge-Scour Instrumentation for Inspection and Maintenance Personnel
Inspecting bridges and monitoring scour during high flow can improve public transportation safety by providing early identification of scour and stream stability problems at bridges. Most...
Evaluation of Historical Scour at Selected Stream Crossings in Indiana
Geophysical data were collected by means of ground-penetrating radar and tuned transducer systems to estimate the historical scour at ten bridges in Indiana. These geophysical data were...
Summary Report Design Session
The Tuesday presentations were devoted to design. Eight papers were presented in the morning general session and 17 presentations were made in 4 concurrent evening workshops. Diversity...
Force Transfer in Composite Columns
The force transfer from steel to concrete without mechanical transfer devices in composite columns at points of load introduction is studied. A mechanism of force transfer and the factors...
Project of Building Man-made Islands and Development of Port Facilities at the Port of Kobe
The most characteristic point of the Port of Kobe is the building of man-made islands: Port Island and Rokko Island, where the port facilities and container terminals have been arranged...
Washington State Pavement Management System
This paper provides a brief overview of the Washington State Pavement management System....
Application of Leading Edge PMS Techniques in India
In India there is a pressing need for an efficient system to plan highway rehabilitation and maintenance. A two year project has started in March 1993 to develop a Pavement Management...
Field Testing of Advanced Maintenance Data Acquisition Technologies in Three State DOTs
Field testing and evaluation of advanced data acquisition technology in Maryland, Connecticut and Arizona showed the potential for state highway agencies to improve existing procedures...
Commercial Aviation Maintenance
The Federal Aviation Administration (FAA) issues regulations and advisories for commercial airlines which establish the basis of the aviation maintenance and inspection programs. Commercial...
BMS Modelling of Bridge Stock Performance
A computer-based Bridge Management System, BMS, was designed in Finland by the Finnish National Road Administration (FinnRA) to assist in high level bridge policy, long-term planning and...
Level of Service in Bridge Management Systems
The Federal Highway Administration's Sufficiency Rating is not adequate for evaluating bridges. It ignores fundamental bridge characteristics and is far too subjective. The Level of Service...
Bridge Management System Implemented in Thailand
The latest ten years' economic growth in Thailand and the associated increase in roadway and railway traffic has exposed the existing bridge structures as bottlenecks of these transportation...
Programme Management in Highway Region
In the beginning of the 1990's FinnRA suggested decreasing resources for the Lapland highway district whereas the district felt that such a policy would have very harmful long term effects....
Coordination of ISTEA?1991 Management Systems
Following the successful development and implementation of pavement management concepts, the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) contains the provision that...
Cost-Effective Pavement Repair Materials
In 1990, as part of the Strategic Highway Research Program's (SHRP) initiative in the highway operations area, a 2 1/2 -year research effort was initiated to study the cost-effectiveness...
New Work Zone Safety Devices
Highway maintenance work is one of the most hazardous occupations throughout the world. The growing necessity to repair existing pavements and structures facilities while maintaining traffic...
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