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Report No.

An Investigation of fireproofing and airtight for floor openings in J-PARC linac building

Suganuma, Kazuaki ; Anami, Shozo*; Chishiro, Etsuji; Kusano, Joichi; Ouchi, Nobuo ; Yamaguchi, Seiya*

Consideration have been given to the airtight and fireproofing for floor openings in J-PARC Linac building where cables,waveguides,and coaxial waveguides will penetrate. It was decided to adopt the fireploof block method for fireproofing, and to use a two-component liquid sealant for airtight. From measurement of leak rate for the proposed method for airtight, it was shown that the methods has enough margin compared with acceptable leak rate.



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