Proof Testing of Extremely High-Loaded Bridge Bearings


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Title: Proof Testing of Extremely High-Loaded Bridge Bearings

Author(s): W. R. Buechler

Publication: Special Publication

Volume: 70


Appears on pages(s): 145-159

Keywords: bridge bearings; bridge decks; bridges (structures) ; friction; loads (forces); load tests (structural ); measuring instruments; specifications; structural analysis; structural design; test equipment; tests.

Date: 1/1/1981

The paper deals with the difficulties involved in the calculation of particularly large bridge bearings and other criteria that might lead to the decision to specify proof-testing. Using the example of the testing-rig for 100.000 KN and the bearings for the River Orwell bridge, the testing rig itself, the specifications for the tests, the measurements and test results are described, conclusions are drawn on the basis of the tests and recommendations for future applications are given.