CENTRAL ELEVATION SECTION OF OVERBRIDGE OR ELEVATED BRIDGE

摘要

PROBLEM TO BE SOLVED: To make it possible to provide an overbridge or an elevated bridge capable of bridging the bridge for the exclusive use of car, small-sized truck, etc., in a small-scaled and narrow area such as an area in the vicinity of a railroad crossing in the street or having a heavy car traffic jam and to enable the earthquake resistance of the overbridge or elevated bridge as well as sound economic distribution and comfortable social living. ;SOLUTION: The central elevated road base is made on a series of steel plate overhanging surfaces 10 by means of lightweight synthetic resin plate, etc. Light and elastic corrugated steel plate sections 9, cylinder sections 14 with compressed air, steel plate surfaces 4 and 5 coating pier sides with bending and lowering sections, steel plate surfaces 7 putting the bending and lowering sections or bending and raising sections on pier swelling sections and reinforced shape steel rail, etc., are used to bear the road base on the lower surface thereof. The lower parts of piers are connected with horizontal coupling frame bars and horizontal abutments, and even if the small-scaled and light overbridge or elevated bridge is constructed in narrow area, it's constitution is provided with high earthquake resistance.;COPYRIGHT: (C)1997,JPO