[Column] What are bearings? Supporting bridge girders with various types of components.
Introducing the basic functions, history, and types of supports! Also explaining their relationship with expansion devices.
It refers to the components installed between the upper structure of the bridge (main girder/main frame) and the lower structure (abutments and piers). Also known as "kutsu," it is called "bridge bearing" in English. These components accommodate the expansion and contraction of the girder due to temperature changes and the deflection caused by live loads, and since they constantly support the bridge girder, they are a very important part. A bridge that connects the upper structure directly to the lower structure without installing bearings is called a rigid-frame bridge. *For detailed information about the columns, please refer to the related links. For more information, feel free to contact us.
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