24 Disktron Bearings were installed on this structure. The 8 abutment bearings had vertical capacities of 400-550 kips.
November 28, 2018
This signature 1060 foot span is a North American record for a concrete arch. 24 Disktron Bearings were installed on this structure. The 8 abutment bearings had vertical capacities of 400-550 kips and were modified with permanent elastic expansion restraint mechanisms with a longitudinal restoring stiffness of 5 kips in each direction over a movement range of 5 inches. The 16 pier bearings had a vertical capacity of 2200-2500 kips and were designed for a rotational capacity of 0.027 radians.
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