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Seismic Characterization of Fracture Properties
Laboratory measurements of the mechanical stiffness, hydraulic conductivity and seismic properties of three natural fractures were made as a function of applied normal stress. Seismic...

Uranium-Series Dating of Secondary Carbonates Near Yucca Mountain, Nevada: Applications to Tectonic, Paleoclimatic, and Paleohydrologic Problems
Near-surface accumulations of secondary carbonates are common in the soils and sediments of the Yucca Mountain area. These carbonates contain small amounts of uranium that allow dating...

Properties of the West Valley Waste Form
The centroid composition of the West Valley Demonstration Project waste form has been selected on the basis of criteria mandating high chemical durability and good processibility. A review...

Study of an Alternativefor Repository of Radioactive Waste?Taiwan Case
The accumlation of spent fuel and radioactive waste is forcing producers to look for repository systems in Taiwan. Tectonic setting, and geologic processes indicate that the Penghu Islands...

Applications of Fracture-Flow Modeling to Site Characterization
This paper describes practical applications of discrete-fracture approaches for design and analysis of groundwater flow about high-level radioactive waste repositories. The paper presents...

Environments of the Last 50,000 Years in the Vicinity of Yucca Mountain, Central-Southern Nevada
Located within the southern hydrographic Great Basin, the Nevada Test Site lies astride the transition between the Mojave Desert to the south and the Great Basin Desert to the north. Fossil...

The Use of Performance Assessments in Yucca Mountain Repository Waste Package Design Activities
The Yucca Mountain Project is developing performance assessment approaches as part of the evaluations of the suitability of Yucca Mountain as a repository site. Lawrence Livermore National...

Prediction of Long-Term Behavior of Waste Package Materials in a Geologic Repository
An ASTM Standard Practice is under development as a national consensus standard on how to make and validate predictions of the long-term behavior of waste package materials in a deep geologic...

Effects of Water Composition on the Dissolution Rate of UO₂ Under Oxidizing Conditions
Dissolution rates were measured on crushed unirradiated UO₂ fuel pellet samples under oxidizing conditions using a flow-through testing method. Water...

Unusual Spacecraft Materials
For particularly innovative space exploration missions, unusual requirements are levied on the structural components of the spacecraft. In many cases, the preferred solution is the utilization...

The New Generation of Pipeline Rehabilitation
The new advancements in pipelines reconstruction technologies now permit total sewer system rebuilding of collectors, drainlines, manholes, service laterals, and force mains without excavation....

An Analysis of the Impact of Weather Variation on Monthly Water Demand
A methodology is utilized to analyze and model the impact of weather variation on monthly long distance water deliveries in Southern California. Monthly water demand is viewed as a combination...

GIS In Water Resources in the Year 2000
This paper presents a look at what the geographic information system (GIS) technology, as applied to water resources, may look like in the year 2000. It presents a description of what...

Hydrology Review for Corps 404 Permit Process
Since 1985 the Corps of Engineers has reviewed Section 404 permit requests in regard to hydrology and hydraulic impacts of developments in the mainstem floodplains of the Trinity River...

Telemetry Data Considerations in Water Systems Control
The installation of increasingly sophisticated telemetry systems for data collection within the water supply and distribution networks has progressed rapidly in recent years. This has...

Site Specific Hydrological Model for Permaculture Application
This paper presents results of a study conducted on a small pond and watershed in Waterbury, Connecticut. The Soil Conservation Service method presented in Technical Release #55 (TR 55),...

Evaluation of Global Warming Impact on Soil Moisture and Water Runoff in Texas
In this paper a numerical evaluation of the variability of soil moisture and surface runoff due to global warming is carried out. An analytical model of the soil moisture balance based...

Comparison Between the Field and Laboratory Measured Properties of a Clay Liner
Hydraulic conductivity (K) and bulk density (BD) of an experimental clay linear were evaluated at a large number of locations using standard methods. They were then compared to laboratory...

A Rational Basis for Determining Safety of Containment
Design of waste containment facilities may follow one of three tacts: (1) the liner and cover systems may have prescribed components of predetermined minimum thicknesses and hydraulic...

Effects & Risk Analysis for Time Variable Exposures
The effects of toxicants on organisms in natural settings are a function of both the variations in exposure concentrations and duration of exposure. This paper present analysis procedures...

 

 

 

 

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