Development of Equipments and Instruments for Use in Underground Research Laboratories (II)

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荒 弘重*; 篠田 雅夫*; 飯塚 友之助*

Ara, Hiroshige*; Shinoda, Masao*; Iizuka, Yunosuke*

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1.Objectives and Significance of Development of Equipments and Instruments for Underground Research Laboratories(URL) The second stage of R&D on HLW geological disposal includes geological survey, in-situ as well as laboratory tests and trial designing of the facility on a more concrete basis to promote the R&D program on HLW geological disposal. The second stage will call for numerous field investigations and tests. They can be summarized as follows: 1. Survey in search of potential sites for disposal (Wide-area Survey)2. Various tests to be conducted individually for the development of techniques for evaluating the performance of the natural barrier,ascertaining the performance of the engineered barrier and techniques for in-situ tests and construction works(Tests in Existing Caverns,Investigation on Groundwater Flow System) 3. Tests for developing,verifying and establishing an overall disposal technology by utilizing different techniques such as for survey,performance evaluation ,e