Outside Plant
Outside Plant can be defined as equipment and facilities connecting a CO to other COs, and connecting a CO to subscribers. Depending on the distance and the terrain involved, the methods...

Discharge Measurements and Predictions in Wetlands
Existing procedures used to estimate discharge in wetland environments are evaluated. Suggestions are made for possible improved methodologies based on field investigation. Suggestions...

Rational Design and Operation of Packed Bed Adsorption Reactors
Design of packed bed adsorption reactors is based presently upon the parameter empty bed contact time (EBCT), a fallacious concept. The column wave front behavior, instead, should be the...

External Inspection of an Ocean Outfall
In October and December, 1994, an external inspection was performed on the County Sanitation Districts of Orange County's (Districts) ocean outfall. This presentation describes...

Getting Wet with Metric
Conversion from what is now the American system of units to the SI system of units is a dry subject at best. In the water resources area, however, a rather complete immersion is going...

Real-Time Construction Staking
Surveying has changed from a profession in which one learned skills on the job and could even become licensed without a degree. Now firms are turning to high tech equipment using geographic...

Engineering and Construction for Sustainable Development in the 21st Century
Assessing Global Research Needs
Prepared by the Civil Engineering Research Foundation. This report identifies key engineering research and construction issues for the 21st century...

The Human Side of L.A. Metro
Encino, Calif.-based photographer Ken Karagozian was given access to the construction of L.A. Metro's Red Line. Karagozian tries to capture not only the scope of the work...

Soft Ground Not Easy Ground for TBM
The King County Department of Metropolitan Services (formerly called Metro), faced with the need to transfer wastewater from the West Seattle drainage basin to a secondary treatment plant...

Standard Practice for Shotcrete
This manual, Standard Practice for Shotcrete, provides information and guidance on the selection, proportioning, and application of shotcrete....

Equipment Resource Management into the 21st Century
This proceedings, Equipment Resource Management contains technical papers, reports, and discussions presented at the Specialty Conference on...

Power Booster
With many utilities caught in a vise between semiobsolete facilities and demands for cleaner power, the $578 million Manchester Street repowering project is setting an example for an aging...

The Bell Tolls for Toll Booths
Many older toll facilities have reached their traffic-handling capacity, blocking the efficient movement of cars onto toll facilities. The article examines problems associated with reconfiguring...

Developing Plans for Robotic Excavators
We would like a robot excavator that is able to excavate a volume of soil according to specification. To this end we have developed a general method that can be used to provide prescriptions...

Intelligent Excavator Control for a Lunar Mining System
The benefits of utilizing local planetary resources are a large reduction in the cost of lifting materials from the earth's surface into earth orbit. Since the moon is one of the closest...

Control Model for Robotic Backhoe Excavation and Obstacle Handling
Excavation of soil and rock is a high volume and repetitive construction operation. Robots, which are suitable for incessant and repeated manipulations, can find many potential applications....

Recent Developments in the Robotic All Terrain Lunar Exploration Rover (RATLER) Program
The Robotic All-Terrain Lunar Exploration Rover (RATLER) is a four wheeled all-wheel-drive dual-body vehicle. A uniquely simple method of chassis articulation is employed which allows...

Computer-Assisted Coal Mining ? An Overview
The U.S. Bureau of Mines was created to conduct research to improve the health, safety, and efficiency of the coal and metal mining industries. In 1986, the Bureau embarked on a new, major...

A Real-Time Control Network for Robotic Mining
The application of computers and computer networks to coal mining machines is one approach the U.S. Bureau of mines is pursuing to enhance safety for the coal miner while at the same time...

Allowable Design Loads for Marman Clamp Systems
Marman clamp separation systems have many aerospace applications. One of their most important applications is in the attachment of spacecraft to expendable launch vehicles. Because their...

 

 

 

 

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