Environmental Geology and Water Sciences

, Volume 11, Issue 2, pp 183–239 | Cite as

Thermal impact of waste emplacement and surface cooling associated with geologic disposal of high-level nuclear waste

  • J. S. Y. Wang
  • D. C. Mangold
  • C. F. Tsang
Article

Abstract

This article is a study of the thermal effects associated with the emplacement of aged radioactive high-level wastes in a geologic repository, with emphasis on the following subjects: waste characteristics, repository structure, and rock properties controlling the thermally induced effects; thermal, thermomechanical, and thermohydrologic impacts, determined mainly on the basis of previous studies that assume 10-yr-old wastes; thermal criteria used to determine the repository waste loading densities; and technical advantages and disadvantages of surface cooling of the wastes prior to disposal as a means of mitigating the thermal impacts. Waste loading densities determined by repository designs for 10-yr-old wastes are extended to older wastes using the near-field thermomechanical criteria based on room stability considerations. Also discussed are the effects of long surface cooling periods determined on the basis of far-field thermomechanical and thermohydrologic considerations. Extension of the surface cooling period from 10 yr to longer periods can lower the near-field thermal impact but have only modest long-term effects for spent fuel. More significant long-term effects can be achieved by surface cooling of reprocessed high-level waste.

Keywords

Spend Fuel Thermal Impact Nuclear Waste Disposal Nuclear Waste Repository Waste Package 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Abbreviations

BWR

boiling water reactor

DHLW

defense high-level waste

DOE

Department of Energy

EIA

Energy Information Administration

EIS

Environmental Impact Statement

EPA

Environmental Protection Agency

FBR

fast breeder reactor

GEIS

Generic Environmental Impact Statement

HLW

high-level waste

HTR

high-temperature reactor

HWR

heavy water reactor

INFCE

International Nuclear Fuel Cycle Evaluation

KBS

Karnbranslesakerhet, Swedish Nuclear Fuel Safety Program

LBL

Lawrence Berkeley Laboratory

LWR

light water reactor

MOX

mixed oxide fuel

MTHM

metric ton of heavy metal

NRC

Nuclear Regulatory Commission

NWTS

National Waste Terminal Storage Program

OCRD

Office of Crystalline Repository Development

ONWI

Office of Nuclear Waste Isolation

OWI

Office of Waste Isolation

PWR

pressurized water reactor

RH-TRU

remotely handled transuranic-contaminated waste

RRC-IWG

Reference Repository Conditions Interface Working Group

SF

spent fuel

SNL

Sandia National Laboratories

WIPP

Waste Isolation Project Plant

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Copyright information

© Springer-Verlag New York Inc. 1988

Authors and Affiliations

  • J. S. Y. Wang
    • 1
  • D. C. Mangold
    • 1
  • C. F. Tsang
    • 1
  1. 1.Earth Sciences Division Lawrence Berkeley LaboratoryUniversity of CaliforniaBerkeley

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