Queensland Department of Transport and Main Roads (TMR) engaged ARRB to conduct a behavioural load test on a span of Sandgate Road Bridge (ID 8558). The objective of the load test was to investigate the effects of the damage to the transverse stressing bars (TSB), that was applied during the test regime, on the structural behaviour of the bridge superstructure. TMR desires to gain confidence in the load distribution behaviour when the TSBs are damaged or there is substantial loss of the section. This will allow a wider application of findings across the state on the numerous existing deck unit bridges, in the development of mitigation strategies for the TSB deficiency issues.
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