Exact(5)
Table 3 Speaking tasks in an achievement test (Bridge: Low Advanced) Tasks Preparation time Response time Prompt Paired 1 min.
Besides the test bridge model, a benchmark model with the superstructure fixed to the substructure in transverse direction was also included in the numerical analyses.
The predictions of key lateral and vertical displacements, reactions, cross-frame forces, major-axis bending stresses and flange lateral bending stresses are evaluated using the test bridge.
The 4350 × 3250 mm footprint of the test bridge represents a 1 2.75 scale of a 12.5 m span full scale bridge.
Results show that the proposed nondestructive approach can be used to satisfactorily determine the load rating factor of the test bridge and can ultimately be used for load rating of concrete slab bridges without structural information.
Similar(52)
In a study completed in 2001 by the Federal Highway Administration, 49 working inspectors from around the country visually examined test bridges in Pennsylvania and West Virginia.
Information from the test bridges and specific test conditions are summarized in Table 1.
Finally, available analytical formulations and refined numerical models were considered to simulate the earthquake response of the tested bridge.
The results in this paper provide a new insight on the required proof load magnitudes to show that the reliability index of the tested bridge is sufficient.
The GeoSHM (GNSS and Earth Observation for Structural Health Monitoring of Bridges) project supported by the European Space Agency is a system that uses integrated GNSS and Earth Observation technologies for structural health monitoring of large bridges – and in its feasibility study the consortium used the Forth Road Bridge in Scotland as its testbed bridge.
In general, the novel test method worked very well since it provided an on site test method, which efficiently provides an evaluation of the load carrying capacity of the tested bridge.
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