RISK ASSESSMENT OF CRANE SUPPORT BEAM AT PORT FACILITY

Location: Halifax, Nova Scotia

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Scope: 

• Structural engineering assessment of a reinforced concrete beam supporting port cranes.

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Complexity:

• Complex load path due to the aspect ratio of the crane beam.

• Complex load arrangement due to the live and wind loads applied on the crane runway.

• Active deterioration of concrete.

• Limited field test data.

• Active Alkali Silica Reactivity (ASR).

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Approach / Value

• Beam capacity was assessed using nonlinear finite element (NFE) structural assessment.

• Multiple load scenarios and crane locations were considered.

• Field test data was incorporated in the capacity check.

• The risk of operation was quantified by calculating the likelihood of failure and determining the associated consequence.

• NOEL’s approach provided the client with a scientific numerically based decision-making tool.