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Longevity of Borehole and Shaft Sealing Materials: Characterization of Ancient Cement Based Building Materials

Published online by Cambridge University Press:  25 February 2011

Christine A. Langton  and
Della M. Roy
Christine A. Langton
Affiliation:
E. I. du Pont de Nemours and Company Savannah River Laboratory, Aiken, South Carolina 29808
Della M. Roy
Affiliation:
Materials Research Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802
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Abstract

Durability and long-term stability of cements in plasters, mortars, and/or concretes utilized as borehole plugging and shaft sealing materials are of present concern in the national effort to isolate nuclear waste within deep geological repositories. The present study consists of an examination of selected ancient building materials and provides insights into the durability of certain ancient structures. These data were combined with knowledge obtained from the behavior of modern portland cements and natural materials to evaluate the potential for longevity of such materials in a borehole environment. Analyses were conducted by petrographic, SEM, chemical, and x-ray diffraction techniques.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 26: Symposium D – Scientific Basis for Nuclear Waste Management VII , 1983 , 543
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

1. Langton, C.A. and Roy, D.M., Longevity of Borehole and Shaft Sealing Materials: Characterization of Cement-Based Ancient Building Materials; Technical Rept, ONWI-202, Distributions Category UC-70; National Technical Information Service, U. S. Department of Commerce (September 1982).Google Scholar
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