PRECAST CONCRETE PANEL FOR ABSORBING RADIO WAVE AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a precast concrete panel for absorbing radio waves and its manufacturing method capable of impedance matching and stabilization of dielectric property in a bridge-type radio wave absorber. SOLUTION: A precast concrete panel 1 for absorbing radio waves is built of a bridge-type radio wave absorber 2, an extrusion molding plate 3 and a concrete structural member 5, in order to stabilize the radio wave absorbing property in wide-area bands and achieve the light weight of the structure. The absorber 2 has the bridge-type ferrite magnetic materials placed at regular intervals by dielectrics and at least has radio wave reflectors. The plate 3 forms a surface 4 of the panel 1 with coupling parts. The member 5 constitutes the absorber 2 and the plate 3 integrally.