Determination of steel and lead bi-laminated shielding for military vehicles

In the present work, transmission factors of γ-rays are determined in bi-layered shields composed lead and steel, through a methodology three distinct parts. The buildup calculation was performed using published by Broder 1962 [1]. A computational simulation used spherical model, total concentric spheres were simulated, with source center spheres. first sphere represents shield its radius is represented thickness this material. second steel sum thicknesses shielding. third vacuum that will determine number photons pass. To verify if analytical can be to calculate factor proposed shield, laboratory experiments BGO (Bismuth Germanate) detector. Measurements only made 15 different lead, ranging from 0.11 cm 2.01 cm, while keeping thickness. Three used: 0.65 0.85 1.40 cm. work relevant field radiological nuclear defense, considering application military vehicles, efficiency demonstrated.