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April 23, 2005

Its not all over until its over. Here is some finish work, that of building forms for the final anchors that anchor the anchor to the deck. As you can see, the steel fin that transfers stress from the cable anchor assembly to the edge girder is only a couple of inches thick. To add mass to the anchor assembly in order to further strengthen the cable anchor with respect to lateral stresses, a reinforced concrete box is added to the assembly. For cables close to the main pylons, there is less lateral stress than the stress associates with cable movement of the longer cables. Hence the further away from the pylon, the larger the stabilizing concrete support.

Initial rebar for a big anchor (left) and a small completed anchor (right)

Here is a completed form for one of the longer cables, ready for filling with concrete

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Attribution: C. Frank Starmer from