Invasion of the Zebra Mussels
At first glance, the zebra mussel looked like doom for freshwater users in the Great Lakes: small, hardy, incredibly prolific European mollusks with an affection for freshwater intakes...

Benefits From Improved Management of Pavement Facilities
Effective management of pavement facilities can provide several benefits both the agency and the travelling public over the long term. The benefits achieved from improved rehabilitation...

How to Get Local Public Works Agencies to Use Structured Infrastructure Management Approaches
As more agencies consider adopting infrastructure management systems, the lessons learned in developing and supporting the use of current systems should be used to structure the support...

Barriers for Innovation and Technology Transfer in the Public Works Infrastructure R&D
Utilization of technologies and innovation to revitalize America's public works infrastructure is beset with barriers. Some critical barriers, identified through literature review and...

Exploration of Ground Penetrating Radar for Railroad Tie Maintenance Scheduling
Assessment of railroad ties for replacement is currently performed by visual inspection. This paper describes a method of automated tie assessment using ground penetrating radar (GPR)...

Using Condition Indexes to Evaluate Local Railroad Track Networks
The U.S. Army Construction Engineering Laboratories (USACERL) have developed condition indexes for assessing track condition that apply to local railroads. Indexes were developed for the...

User Identified Short-Term and Long-Term Needs for Pavement Management Innovation
A survey involving 300 practicing engineer's from all over the United States and representing 20 other countries was conducted, concerning ideas and opinions of the priority research needed...

An Integrated System for Pavement Management
This paper describes the process of developing an integrated computerized pavement management system (PMS) for the New York State Thruway Authority. The process evolves around the integration...

Reliability Assessment of Concrete Pavement Sawing
Traditional concrete pavement design sometimes realize on qualitative decision based on experience, with concrete pavement sawing operations representing a specific case in point. presently,...

Infrastructure Repair with Polymer Composite Using Recycled Plastics
Recycled poly(ethylene terephthalate), PET, mainly recovered from plastic beverage bottles, can be used to produce unsaturated polyester resins. Polymer concrete (PC) made with these resins...

Identifying a New Role of the Future Planner
It has been amply demonstrated over the last three decades that public planning is subject to great uncertainties, both in dealing with new technologies as well as in dealing with fuzzy...

Fuzzy Sets Model for Evaluation of Bridge Projects
This paper presents the formulation of a computerized decision support system that would aid the bridge engineer in long range planning of bridge funding needs, specially, to select the...

Digital Imaging as a Design Tool
On most engineering projects, schematic drawings offer a technical representation of a structure to clients. For staff or the public who are not technically knowledgeable, though, schematics...

High-Tech Landfill Caps
Just as federal and state regulations detail every aspect of landfill location, construction and operation, they now detail every aspect of its design closure. A typical municipal solid...

High-Speed Surface Transportation Cost Estimating
The cost of building and operating high-speed surface transportation (HSST) systems in the United States is a critical factor in determining their feasibility. Costs are difficult to estimate...

Concurrent Engineering Planning in HSGT Systems
Why should concurrent engineering concepts and TQM (Total Quality Management) procedures be considered for large scale HSGT (High Speed Ground Transportation) engineering and planning...

Forensic Aspects of Future HSGT
Forensic sciences deal with the relations and application of technical problems in litigation and court procedures. This paper anticipates possible legal actions that may involve the introduction...

Building a Viable Maglev Industry
Transforming the chaotic fragmentation of competing and incompatible magnetic levitation systems into a robust and expanding U.S. industry will provide substantial benefits to established...

Plan for Development and Implementation of a Domestic Maglev Network
This paper discusses magnetic levitation (maglev) transportation technical requirements and methods of capturing associated requirements. Possible architectures and components of a domestic...

ICE-HSR-System?Infrastructure, Rolling Stock, Operation
High-Speed trains such as the Japanese Shinkansen train in operation since 1964, the French TGV (train a grande vitesse) introduced in 1981 and the German ICE (InterCityExpress) running...

 

 

 

 

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