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Florida's New Toll Facilities Model
Florida's Turnpike provides a system of user-financed limited access toll highways meeting important transportation needs in the State of Florida, while protecting the interests of its...

Validating a Citywide Traffic Planning Model
A traffic planning model can improve the public agency's ability to forecast future traffic and plan appropriate roadway intrastructure. However, the usefulness of these models depends...

Regulatory Views on Seismic and Fault-Displacement Parameters Needed for a Geologic Repository Design
This paper presents the regulatory views of the U.S. Nuclear Regulatory Commission staff on some of the significant issues related to the seismic and faulting design of a geologic repository....

An Overview of Analysis and Regulatory Needs to Determine Seismic Loads for Design of a High-Level Waste Geologic Repository
Determination of seismic loads and faulting hazard for siting, design and performance evaluation of a high-level nuclear waste repository facility can be accomplished with state-of-knowledge...

Performance Goal Based Seismic Design Criteria for High Level Waste Repository Facilities
This paper proposes a set of deterministic seismic design and evaluation criteria based upon a specified probabilistic seismic performance goal for High Level Waste Repository (HLWR) facilities....

Probabilistic Analysis of Faulting Associated with Earthquakes for Nuclear Waste Repositories
The probabilistic analysis of seismogenic faulting follows the same general methodology as the more common seismic hazard analysis for shaking. The main difference lies in the influence...

Tectonic Characterization of a Potential High-Level Nuclear Waste Repository at Yucca Mountain, Nevada
Tectonic characterization of a potential high-level nuclear waste repository at Yucca Mountain, Nevada, is needed to assess seismic and possible volcanic hazards that could affect the...

Geometric Models of Faulting at Yucca Mountain
Yucca Mountain, Nevada, is currently being studied as a potential site for a geologic repository of high-level radioactive waste. Alternative conceptual tectonic models are expected to...

Probabilistic Seismic Design Considerations for a High-Level Nuclear Waste Repository
Earthquakes in the vicinity of an underground high-level waste (HLW) repository have potential effects that must be estimated during the design of the facility. The production facilities...

Factors Controlling Strong Ground Motion and Their Associated Uncertainties
Of special interest in strong ground motion modeling is a quantification of the degree of influence specific physical parameters have on the computed motions. Associated with the model...

Preliminary Report: The Little Skull Mountain Earthquake, June 29, 1992
The Little Skull Mountain earthquake occurred about 20 km from the potential high level nuclear repository at Yucca Mountain. The magnitude was 5.6, and the focal mechanism indicates normal...

Current Plans to Characterize the Design Basis Ground Motion at the Yucca Mountain, Nevada Site
A site at Yucca Mountain Nevada is currently being studied to assess its suitability as a potential host site for the nation's first commercial high level waste repository. The DOE has...

Estimation of Near-Regional Seismic Ground Motion from Underground Nuclear Explosion Tests
A problem unique to the location of a nuclear waste repository adjacent to the Nevada Test Site is the assessment of seismic ground motion from potential underground nuclear explosion...

Block Dynamics Modeling in Support of Seismic Design
The behavior of an underground excavation is usually characterized by stresses and displacements which develop around the excavation as a result of prevailing field conditions. For conventional...

Seismic Design of Circular-Section Concrete-Lined Underground Openings?Preclosure Performance Considerations for the Yucca Mountain Site
Yucca Mountain, the potential site of a repository for high-level radioactive waste, is situated in a region of natural and man-made seismicity. Underground openings excavated at this...

Options for Dynamic Analyses of Underground Facilities
Continuum and discontinuum modeling techniques for conducting dynamic analysis of underground facilities of geologic repository are discussed. Compared with continuum analysis, the discontinuum...

Dynamic Response of Tunnels in Jointed Rocks
We describe the application of the Discrete Element Method (DEM) to the dynamic analysis of the response of tunnels in jointed rocks to earthquake loading. In situations where large motions...

Design and Performance Requirements for Surface Facilities of a High Level Nuclear Waste Repository
This paper describes three important steps in the design process of repository surface facilities: (1) Establishing performance requirements and risk levels, (2) translating performance...

Optimal Cost Basis for Seismic Design
The paper summarizes a methodology for establishing seismic design levels based on a cost-benefit assessment. The methodology requires the development of costs and benefits for varying...

Guidelines for the Development of Natural Phenomena Hazards Design Criteria for Surface Facilities
This paper discusses the rationale behind the guidelines, criteria, and methodologies that are currently used for natural phenomena hazard design and evaluation of DOE nuclear and non-nuclear...

 

 

 

 

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