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Stochastic Simulation of Mass Transport in Heterogeneous Formations Using Hard and Soft Conductivity Data
The mass transport in a synthetic 2-D heterogeneous formation is simulated through the Monte-Carlo method using continuum approach. The simulated hydraulic conductivity field are generated...

Open Channels in Fractures Maintained by Deposition and Erosion of Colloids
Colloids initially suspended in the water in fractures can deposit onto the fracture surfaces, and will partially or fully clog the fracture. The amount of clogging will depend on whether...

Roadmapping: A Management Tool
Roadmapping is a process used by the U.S. Department of Energy (DOE) Office of Environmental Restoration and Waste Management (EM) to illustrate issue-based planning activities necessary...

A Homogeneous Equilibrium Model for Analysis of Spent Fuel Shipping Containers
Transportation of nuclear spent fuel is inevitable over the coming years. However, in order to ensure the safety of such transport, computational models must be established, which are...

Attitudes of the Knowledgeable Toward the Transportation of Spent Fuel
The purpose of the paper is to discuss the recent data analysis of a mail-in survey which investigated the attitudes of people having some knowledge of the nuclear industry. The survey...

Durability Testing of the High-Capacity GA-4/GA-9 Trailer
General Atomics (GA) is under contract to the US Department of Energy (DOE), Idaho Field Office, to develop two legal-weight truck from-reactor spent-fuel shipping casks with trailers....

Mount St. Helens Recovery Project
Work began immediately after the eruption of Mount St. Helens to restore Columbia River navigation, provide 100 year flood protection for the downstream communities located along the Cowlitz...

Managing Instream Flows for Salmonid Spawning Habitat
Detrimental sediment related effects on aquatic habitat for anadromous fisheries include (1) deposition of excessive amounts of fine sediments in spawning gravels, and (2) mobilization...

Identifying the True Issues of Hydropower Resource Development in an Era of Public and Regulatory Policy Transition
The last several years have produced changes in public and regulatory policy that have provided for increased roles and participation of resource agencies, Native Americans, and the public...

Assessment and Mitigation for Endangered Vernal Pool Invertebrates
The USFWS is considering declaring five species of vernal pool invertebrates endangered. Among these are the Vernal Pool Fairy Shrimp (Branchinecta lynchi), the California Linderiella...

Effect of the Periodic Secondary Irregularity on the Dynamic Behaviour of Railway Bridge-Vehicle System
The deformation and vibration of bridge will be developed due to the moving vehicles, especially for railway bridge. The dynamic deflections in the points under each wheel are called secondary...

Safety of Passengers on Railway Platforms?Using Various Computers
Recently, it has become very important to take measures to improve platform safety in Japan. Many passengers use railway platforms all day long (from the first train to the last train)....

Application of Computer Simulation in the Research of Rail Structure Vibration Reduction
The wheel/rail system is described here as a random vibration system, and the state variables are expressed with quadratic evaluation function. The passive control problem of the random...

Emergency Response Team Siting for HLRW Movements
The shipment of high-level radioactive waste to treatment plants, storage facilities, and repositories is an activity of major national concern. This paper presents a multi-objective methodology...

Multiple Objectives, Uncertainty and Routing Decisions for Hazardous Materials Shipments
Explicit consideration of multiple objectives and uncertainty is important in hazardous materials transportation, particularly in regulating routes or making routing decisions. Application...

Algorithms for Efficient Real-time Traffic Assignment
Fast algorithms are essential to accomplish real-time traffic assignment for optimal routing or traffic prediction under ATMS/ATIS. User-equilibrium and system-optimal traffic assignment...

A Spatial Decision Support System for Vehicle Routing
This paper describes the design, development, and implementation of a computer aided system for planning efficient network maintenance routes. The system has been used to design snow and...

A Dynamic Mapping Application for an ATIS
A dynamic mapping application for an Advanced Traveler Information System (ATIS) is described. The application requires tracking maintenance vehicles so that paths can be displayed indicating...

The California Smart Traveler 1993 Status Report
California's Department of Transportation (Caltrans) is teaming with public and private organizations in the research and development of Smart Traveler systems to provide operators, passengers...

Bellevue Smart Traveler: Phase 2
Traffic congestion in urban centers can be attributed to large numbers of workers traveling in single occupant vehicles to densely clustered downtown employment facilities. This project...

 

 

 

 

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