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Cooper River Bridge Figures 2.1 - 2.10
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Figure
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Description
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Thumbnail
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2.1
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Framework for submersible cofferdam. Constructed on land.
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2.2
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Framework being floated out to the location of the pier.
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2.3
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Construction of cofferdam. Note that sheetpiles have been installed to form wall around perimeter.
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2.4
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Top of steel H piles at top of riverbed inside the cofferdam. The entire cofferdam will soon be filled with concrete to form the foundation.
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2.5
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Barge ferrying concrete for pouring of pier.
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2.6
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Construction of pier above water level. Note that cofferdam has been flooded. Also note the use of a slipform.
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2.7
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Another view of pier construction. Hoisting buckets of concrete for placement inside form.
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2.8
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One pier is completed, formwork is installed for "hammerhead" beam at top of pier.
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2.9
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View of reinforcing bar cage and post-tensioning ducts inside "hammerhead" beam at top of pier.
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2.10
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View of post-tensioning anchorage in one of the approach piers-- similar to that used for the main piers.
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