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GLEBE ISLAND BRIDGE, SYDNEY: DESIGN APPROACH

W K Wheeler, SL Lothringer, M Bennett, L T Kee

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Abstract

The Cable-stayed Glebe Island Bridge across Johnston's Bay, with a total length of 805m and a main span of 345m, make it the longest span cable stayed bridge to be designed and constructed in Australia. The bridge comprises 6 full continuous prestressed concrete spans, with an integral 200m-long offloading ramp at the end of the first cable stayed span. The delta-shaped, reinforced concrete towers rise 120m above the water and are of striking visual appearance. The superstructure was designed to be erected using a cast-in-place balanced cantilever mode of construction.

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What this paper is about

The Cable-stayed Glebe Island Bridge across Johnston's Bay, with a total length of 805m and a main span of 345m, make it the longest span cable stayed bridge to be designed and constructed in Australia. The bridge comprises 6 full continuous prestressed concrete spans, with an integral 200m-long offloading ramp at the end of the first cable stayed span. The delta-shaped, reinforced concrete towers rise 120m above the water and are of striking visual appearance. The superstructure was designed to be erected using a cast-in-place balanced cantilever mode of construction.

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Available abstract

The Cable-stayed Glebe Island Bridge across Johnston's Bay, with a total length of 805m and a main span of 345m, make it the longest span cable stayed bridge to be designed and constructed in Australia. The bridge comprises 6 full continuous prestressed concrete spans, with an integral 200m-long offloading ramp at the end of the first cable stayed span. The delta-shaped, reinforced concrete towers rise 120m above the water and are of striking visual appearance. The superstructure was designed to be erected using a cast-in-place balanced cantilever mode of construction.

Key concepts: Span (engineering), Bridge (graph theory), Structural engineering, Cantilever, Prestressed concrete, Bay, Geology, Engineering

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