Effect of Material Heterogeneities on Flow Through Porous Media
Modeling studies were conducted to determine the effects of material heterogeneities on the flow of water through rock. Multiple numerical calculations were made using random variations...

Unsaturated Flow Through a Variable Aperture Fracture in Topopah Spring Welded Tuff
The role of fractures in unsaturated flow through welded and nonwelded tuffaceous rocks is a fundamental question being addressed in performance assessment activities for the Yucca Mountain...

Modelling of Hydro-Thermo-Mechanical Effects in a Fracture Intersecting a Nuclear Waste Deposition Hole
The groundwater flow in a vertical fracture intersecting a hypothetical nuclear waste deposition hole was examined. After excavation and emplacement of the nuclear waste canister, the...

Predicted Thermal and Stress Environments in the Vicinity of Repository Openings
An understanding of the thermal and stress environment in the vicinity of repository openings is important for preclosure performance considerations and worker health and safety considerations...

Microwave Measurements of the Water Content of Bentonite
The theory of operation of microwave coaxial resonators is described. Sample preparation and the application of resonator techniques to the measurement of the permittivity (dielectric...

Laboratory Determined Suction Potential of Topopah Spring Tuff at High Temperatures
The purpose of this work is to experimentally determine the capillary suction potential of Topopah Spring tuff from Yucca Mountain, Nye County, Nevada. This data can be used to help characterize...

Perspectives on Integrating the U.S. Radioactive Waste Disposal System
The waste management systems being developed and deployed by the DOE Office of Civilian Radioactive Waste Management (OCRWM) is large, complex, decentralized, and long term. As a result,...

Management Systems Improvement Strategy for the Office of Civilian Radioactive Waste Management
To achieve the goal of permanent disposal of spent nuclear fuel and high-level radioactive waste, the U. S. Department of Energy's (DOE) Office of Civilian Radioactive Waste...

The Role of Effective Communications in Nuclear Regulatory Commission Licensing
Communications are essential to the licensing and general regulatory program of the Nuclear Regulatory Commission. This paper attempts to identify and address certain aspects of, and approaches...

A Case History of Successful Nuclear Power Plant Licensing
Statewide siting studies, site-selection, site characterization and receipt of a construction permit for the Palo Verde Project were accomplished in 50 months. This achievement was made...

How Can the St. Lucie Unit 2 Licensing Experience Benefit the Licensing of a Nuclear Spent Fuel Repository
The Nuclear Regulatory Commission (NRC) granted a full power operating license for St. Lucie Unit 2 on June 10, 1983, just six years after construction began. The industry average for...

Development of Preliminary Nevada Transportation Accident Characteristics
The U.S. Department of Energy (DOE), Yucca Mountain Site Characterization Project Office (YMSCPO) has been given the responsibility for characterization of the potential repository site...

Unintentional Stoppages of Trucks Hauling High-Level Nuclear Waste in Nevada
Any unintentional stoppage of trucks hauling high-level nuclear waste in Nevada could intensify public concerns about the negative impacts of the Yucca Mountain project. This paper provides...

Transportation of Radioactive Materials Routing Analysis: The Nevada Experience
In 1987, the Nevada State Legislature passed a Bill requiring the Nevada Department of Transportation to develop and enforce a plan for highway routing of highway route controlled quantity...

Development of Rail Access to the Proposed Repository Site at Yucca Mountain
In accordance with the Nuclear Waste Policy Amendments Act of 1987, Yucca Mountain was designated as the initial site to be investigated as a potential repository for the disposal of high-level...

An Approach to Evaluate the Sufficiency of Highway Bridges for Nuclear Spent Fuel Transportation
The transportation of radioactive spent fuel can have a significant impact on bridge structures located on designated routes. Due to the critical nature of the cargo and because of the...

Transportation Access to Yucca Mountain: Critical Issues
Transportation planning for a repository at Yucca Mountain is complicated because of uncertainty about the modes and numbers of nuclear waste shipments and because of uncertainty about...

Rethinking the Economic factors of Centralized Spent Fuel Storage
The economics of centralizing the storage of spent fuel at a single site, as opposed to continued storage at over 100 reactor sites, has been the subject of several recent analyses. Most...

Preliminary Feasibility Assessment of Several Spent Fuel Transfer/Storage Options Suitable for Early Deployment at an MRS
This paper provides (a) an overview of the range of feasible Monitored Retrievable Storage (MRS) facility transfer and storage configurations that are available to the U.S. Department...

MRS Transfer Facility Feasibility Study
Under contract to the U.S. Department of Energy, Parsons was requested to evaluate the feasibility of building a simple hot cell (waste handling) transfer facility at the Monitored Retrievable...

 

 

 

 

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