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Effects of core sealing methods on the preservation of pore water

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Abstract

Five general core sealing methods (using Protecore, Lexan, wax, Protecore with wax, and Protecore with Lexan) were studied over a two year period to determine their moisture retention capabilities. Results indicate that the multibarrier methods (Protecore with wax and Protecore with Lexan) and the single barrier methods (Protecore and wax) provide successful means of retaining moisture in cores. Additional testing indicated that a tight wrap of Saran is effective in: 1) protecting the outer vapor barriers from puncture, 2) containing any condensate in close proximity to where it was condensed, and 3) retarding condensation. Tests conducted to determine the moisture adsorption potential of wax and the use of applying a positive or negative pressure to Protecore packets proved inconclusive, but warrant further investigation. The importance of proper and timely handling of core samples in the field, including refrigeration and weighing of samples, can not be overstated.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Effects of core sealing methods on the preservation of pore water
ISBN:
0872629503
Year Published:
1993
Language:
English
Publisher:
Publ by ASCE
Publisher location:
New York, NY, United States
Larger Work Title:
High Level Radioactive Waste Management
First page:
960
Last page:
966
Number of Pages:
7
Conference Title:
Proceedings of the 4th Annual International Conference on High Level Radioactive Waste Management
Conference Location:
Las Vegas, NV, USA
Conference Date:
26 April 1993 through 30 April 1993