Submission ID 102822
Session Title | ST - Transportation Structures |
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Title | Rehabilitation of the Mactaquac Dam Inlet Channel Bridge |
Abstract or description | Constructed in 1967 as part of the Mactaquac Hydroelectric Dam near Fredericton, New Brunswick; the inlet channel bridge carries two lanes of traffic over the Saint John River adjacent the dam’s intake structure. The NB Power owned diversion sluiceway forms the south abutment while the remaining bridge is owned by the New Brunswick Department of Transportation and Infrastructure. The seven span superstructure is comprised of simply supported prestressed girders and a concrete deck. The six hammerhead piers |
Presentation Description (for Conference App) | REhabilitation of a multi-span prestressed concrete bridge including partial depth deck and replacement, barrier replacement, underwater pier repairs and pier shaft encapsulation due to AAR defects. Bridge jacking and bearing replacement, Unreinfocred abutment stabilization through confinement using grout bonded post-tensioned anchors. |
Presenter and/or Author Information | Jason Young, CBCL Limited |