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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/352

Title: Investigation of the radiation shielding capacity of asphalt and sand for fast neutron sources
Authors: Al-Kusayer, Tawfik A.
Keywords: Radiation
Shielding capacity
Neutron sources
Electrical engineering
Issue Date: 1992
Publisher: King Saud University
Citation: Journal of King Saud University, Engineering Sciences: 4 (2); 193-210
Abstract: The internal wall of the cavity of experimental assemblies, involved with high energy fusion neutrons, can be covered by an asphalt-sand layer for radiation protection purposes. The calculations have demonstrated that asphalt has a radiation protection capability superior to that of concrete, on equivalent weight basis. For an experimental cavity using a 1012 neutrons/sec neutron generator, the best structure has been found to be a 10% asphalt - 90% red sand homogeneous mixture, against neutron + gamma energies, with a protection capability of more than 200% compared to the same thickness of a concrete structure. This work has proved that the local and cheap asphalt and sand can replace the relatively expensive concrete in constructing biological radiation shielding of experimental assemblies on fusion neutronics.
URI: http://hdl.handle.net/123456789/352
Appears in Collections:Journal of the King Saud University - Engineering Sciences

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