Design and analysis of the tunnel connecting the beamcorridor and the spectrum hall of the CSNS

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LIU Jian, WANG Qing-Bin, WU Qing-Biao and MA Zhong-Jian. Design and analysis of the tunnel connecting the beamcorridor and the spectrum hall of the CSNS[J]. Chinese Physics C, 2011, 35(1): 104-108. doi: 10.1088/1674-1137/35/1/022
LIU Jian, WANG Qing-Bin, WU Qing-Biao and MA Zhong-Jian. Design and analysis of the tunnel connecting the beamcorridor and the spectrum hall of the CSNS[J]. Chinese Physics C, 2011, 35(1): 104-108.  doi: 10.1088/1674-1137/35/1/022 shu
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Received: 2010-03-15
Revised: 2010-06-01
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Design and analysis of the tunnel connecting the beamcorridor and the spectrum hall of the CSNS

Abstract: There is a tunnel connecting the beamcorridor and the target station in the spectrum hall in the CSNS project. The length of the tunnel is about 20 m. The shielding design of the tunnel is very significant for the persons working in the spectrum hall because the tunnel is not covered by soil for shielding. In order to reduce the dose rate at the exit of the cable ducts, we use the ISIS construction, which is designed with four turnings, as a reference for the tunnel design. The thickness of the shielding is obtained by a simulation with the Monte Carlo Code FLUKA. The result is compared with the data obtained with Moyer Mode and the reliability of the simulation is proved. This paper provides the basis for the design of the tunnel.

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