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The Transrapid EMS Maglev System
The Transrapid 300 mph (500 km/hr) magnetically levitated transportation system is ready for revenue application. The maglev system uses contactless electromagnetic suspension and three...

Potential of Vegetable Oil as a Transportation Fuel
The esters of vegetable oils (Biodiesel) have potential as direct replacements for diesel fuel in compression ignition engines. This paper discusses fuel properties, short and long term...

Condition Data Reduction for Pavement Management
A methodology is proposed for the identification of uniformly behaving deterioration regions of infrastructure facilities. Such `homogeneous' regions constitute the basic units that should...

Pierce Transit's Experience with an Alternate Fuel Compressed Natural Gas January-December 1992
At the end of 1992, Pierce Transit's CNG fleet consisted of 30, 40-foot Orion buses, 19 ElDorado Buses, on GMC 'New Look' bus, one 1990 Chevy Celebrity, and one Collins Shuttle van. As...

Nondestructive Testing Role in Repair and Rehabilitation of Concrete Structures
Nondestructive testing (NDT) methods are increasingly being used to assess the condition of structural concrete. The paper discusses applications of NDT methods for forensic investigation...

Application of Digital Images and Processing for As-Built Construction Drawings
The production of as-built drawings is a labor intensive activity that often provides the facility owner with inaccurate or incomplete final drawings. This paper briefly reviews work accomplished...

Finite Element Analysis of Slabs-on-Grade Using Higher Order Subgrade Soil Models
Incorporation of the two-parameter, Kerr and Zhemochkin-Sinitsyn-Shtaerman subgrade models into finite element code ILLI-SLAB is described. The two conventional idealizations, namely the...

Unified Constitutive Model for Airport Pavements
A unified constitutive model that allows for significant behavioral characteristics of materials and interfaces in airport pavement is implemented in a nonlinear finite element procedure....

Portland Cement Concrete Apron Pavement Design Study for King Fahd International Airport in Saudi Arabia
The Federal Aviation Administration (FAA) Advisory Circular 150/5320-6C used for design of portland cement concrete (PCC) pavements for airports does not account for the site-specific...

TRANS-GRAPH?Advanced Software for Simulation Modeling of Automated People Mover Systems
TRANS-GRAPH is an integrated system of proprietary computer software designed specifically to enable comprehensive system analysis of automated people movers. The TRANS-GRAPH software...

Designing APM Circulator Systems for Major Activity Centers: An Interactive Graphic Approach
An interactive graphic computer program, called Circulator, is used to design an APM circulator system for a large and complex major activity center. The design process is intuitively...

Regeneration?Potentially Powerful Stuff
Virtually all Automated People Movers (APMs) use electrical power for propulsion. Many designs also use electrical braking to augment any mechanical braking devices for decelerating trains....

Advances in People Mover Central Control
AEG Westinghouse Transportation Systems, Inc. has designed many graphic display based central control computers for people mover systems. These include airport systems for: Changi in Singapore,...

Design and Construction of the Miami Metromover Extensions
Final design, right-of-way acquisition and construction of two extensions to the existing Downtown Miami Automated People Mover, known as the Metromover, began in September 1989. Millions...

Scheduling Principles of the Miami Metromover Project
Large and complex construction projects with many interfaces among multiple prime contractors present extraordinary challenges to the owner and project manager. Project management techniques...

Trenchless Track Record
Ottawa is a leading user of trenchless technology for sewer rehabilitation projects. The municipality has nearly a decade's worth of experience with at least nine different...

Finite Element Analysis of Reinforced Concrete in Japan and US: Introduction and Overview
The finite element method of analysis now provides the engineer with the capability to analyze very complex structural systems in a much more realistic manner including geometry and support...

Constitutive models
The constitutive models used in the finite element analysis of reinforced concrete structures are presented from a number of different perspectives. The first part of this chapter presents...

Fracture Mechanics
This brief report, prepared by ACl 447 Subcommittee 2, reviews recent advances in finite element modeling of fracture and damage in concrete structures. The fundamentals of the fracture...

Reinforced Concrete
Recent developments and procedures used to model reinforced concrete using finite element analysis are summarized. Special emphasis is placed on the results of a survey of papers published...

 

 

 

 

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