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Heavy Aircraft Damage to Rigid Airport Pavements
A theoretical solution is presented for the damage caused by heavy aircraft at the transverse joints in a rigid airport pavement. Large stresses in the subgrade generate significant permanent...

Evaluation of Elastic Layered Theory for Airfield Pavements, Using Nondestructive Testing and In-Place Response Measurements
Airfield pavement deflections measured under actual aircraft loads were compared to predictions based upon elastic layer theory and moduli backcalculated from failing weight deflectometer...

Measurement and Analysis of Airside Pavement Roughness at the Dallas/Fort Worth International Airport
In May 1990, Dallas/Fort Worth International Airport management contracted with Harding Lawson Associates to implement a pavement management system for that airport. In this implementation,...

Use of Porous Friction Course to Retard Reflection Cracks in Bituminous Overlays
Porous Friction Courses (PFC) are open-graded, high air void, bituminous mixtures that are applied to pavement surfaces to improve skid resistance. In 1989, PFC was used as an interlayer...

Evaluation and Overlay Design of Airport Pavements
Heavy weight deflectometer (HWD), a heavier version of the falling weight deflectometer, enables detailed evaluation of airport pavements to be performed using a rapid a non-destructive...

Rehabilitation of Runway 4R-22L at Chicago's O'Hare International Airport
This paper describes the systematic process that was used to develop a rehabilitation strategy for the busiest runway at O'Hare International Airport. Any rehabilitation alternative that...

Use of Surface Treatments on Airport Pavements
Asphalt is generally used as the surfacing for flexible airport pavements with airline passenger jet aircraft. In Australia and its neighbouring territories, surface treatments (seals)...

An Introduction to APM Systems and Applications
An Automated People Mover (APM) is an advanced transportation system in which automated driveless vehicles operate on fixed guideways in exclusive rights-of-way. These differ from other...

Reflections on the New Systems Study Project
1993 marks the 25th anniversary of the New Systems Study Project. This project produced a report from President Johnson to the Congress entitled....

A Marketing Analysis of an Old Concept: the Horizontal Elevator-Monorail
The objective of this research is to define an efficient and cost effective concept for an Automated People Mover (APM) System. Current solutions are relatively expensive to install, have...

The Development of Public Transport Systems for Urban Areas and the Relation with People Movers
The development of new public transport concepts for urban areas has to be related to problems in this field. Therefore on the one hand in a systematic way an inventory is made of the...

A Vision for 21st Century Guided Transit
The design characteristics for 21st century fixed guideway transit are discussed. A system concept responsive to passengers' needs is envisioned. The concept ignores traditional boundaries...

Active Guideway Systems
Many automated people movers which have been developed or studied in France or in other countries belong to the category of active guideway systems. This paper describes characteristics...

The Fundamental Gap in Urban Transportation
This is not a technical paper. It is perspective paper, designed to detail the failure of current urban transportation strategies and call for new thinking and action responsive to the...

Comparative Analysis of Different Systems for a New Rail Line in Copenhagen, Denmark
A new Mass Transit System is to be built in Copenhagen, Denmark. The Copenhagen Public Bus Company, HT, and the Danish State Railways, DSB, have each carried out feasibility studies. Conventional...

Technological Innovations: Opportunities to Reduce Costs
This paper presents a comparative study of an automatic dedicated single track people mover and an automatic dedicated double track people mover. The study examined both `system' and infrastructure...

Integrating Waiting Time in the Design of a Transportation System for Short to Intermediate Distances
This paper addresses passenger perceptions of short to medium distance public transportation systems. The concept of the weighted total transportation time (WTTT) is introduced, integrating...

A Public Transport System Based on Light Electric Cars
This paper presents the concept under development in France of a novel transportation system based on fleet of small public cars under supervision from a central computer. These public...

Concept of a Polycentric Metropolitan Area with Automated People-Movers
The general equation of mobility is used to understand the development of urban systems. Using iterative methods it is shown that the town planning criterion used currently gives rise...

Intermodal Transit Station Computer Simulation Model
The specifications and features of an Intermodal Transit Station simulation model are discussed, including train schedule data base preparation, ticketing and baggage claim processing,...

 

 

 

 

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