The Design of Diagnostic Medical Facilities where ... - ResearchGate

Appendix E: Schematic diagrams of radiation transmission paths
(Figures E1 – E7 reproduced from WHO, Volume 1, 1974)
Figure E.1: Radiation paths through shielding assemblies
The sum of the radiations through all paths from Space S 2
to Space S 1
must not exceed the relevant dose
constraints
S 1 S 2
S 1
S 1
S 2
S 2
WHO 40213
a b c
Figure E.2: Overlapping in shielding between lead and concrete
The width of overlapping (b) must be at least as great as the thickness of concrete (t).
b
b
t
a
b
WHO 40214
Figure E.3: Protection on recesses in shielding
The width of overlapping (b) must be at least as great as the thickness of concrete (t).
b
t
a
b
WHO 40215
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The Design of Diagnostic Medical Facilities where Ionising Radiation is used