![]() ![]() ![]() Suitability – This type of bridge bearings is suitable for a long span (20m long) of the girder bridge. HOW TO BUILD A GIRDER FRONT END FOR A BICYCLE FREEWith the deflection of the girder, the top inverted shoe rotates over the pin and this allows free angular movement of the girder at its end. The girder is connected to the top inverted shoe and the bottom shoe is anchored at its base to the top of the abutment. ![]() This type of bearing is consist of a top inverted shoe and a bottom shoe with a rocker pin, provided in between the shoes. Suitability – This type of bridge bearings is suitable for 12 to 20m span of a steel girder bridge. This type of bearing avoids the concentration of reaction at the inner edge of the bearing and thus distributes the load more uniformly over the abutment. In its case, instead of a simple steel plate, a deep cast base is attached to the underside of the bridge girder. This is an improved type of fixed plate bearing. The steel plate is then anchored down with usually two anchor bolts, one on each side of the girder, on the top of bridge piers or abutmentsĪlso learn about What is sill level and Lintel level? Deep cast base bearing This is the simplest type of bearing consist of a flat rectangular steel plate attached to the underside of the lower flange of the bridge girder. These bearing usually allow angular movement of deflection of the girder.įixed bearing is classified in the following type… The bearing which does not permit any longitudinal movement of the bridge girders is known as the fixed bearing. Types of bearing for a steel girder bridge
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