MAGNETIC SHIELDING SYSTEM OF ELEVATED RAILWAY

PROBLEM TO BE SOLVED: To prevent the effect of a magnetic field generated by a current flowed from a stringing to a section under an elevated bridge, a building in the periphery of the section under the elevated bridge, etc., in an elevated railway. SOLUTION: In the magnetic shielding system of the elevated railway having a building, etc., under an elevated bridge or in the periphery of the elevated bridge, a magnetic shielding material is used as the sound-insulating wall of the elevated bridge, the periphery of an elevated pier 8 is covered with a magnetic shielding material 9 while an iron plate 26 is laid on an elevated frame slab 28 and connected electrically to a draw-out track 27 and employed as a grounding conductor. The structural material of the elevated pier 8 is utilized as the magnetic shielding material 9 covering the periphery of the elevated pier 8, and iron or a silicon steel plate laid on a waterproof layer on a roof or the magnetic shielding material such as a PC slab with a deck plate is used as the ceiling section of the building.