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External Cable System

External cable [CFCC 1x37 40.0φ(PE coated)]

Photo of actual application - CFCC 1x37 40.0φ(PE coated)

【Reference】Appearance of Bridge Street Bridge in Southfield, MI, USA

Surface of the bridge
Side view

Deviator

Photo of deviator with bend radius R=2000mm
This deviator slides along with the cable in the axial direction to prevent the scratches of the cable by friction caused while post-tensioning work, etc.

Anchorage of the external cable

Stress the cable and fix it with nuts by using outer screw of the sockets that are attached to the cable at the both ends. Material of sockets and nuts is stainless steel.
In this bridge, load cells are attached to each cable for monitoring changes in tension.

Reference

Grace, N. F., Navarre, F. C., Nacey, R. B., Bonus, W., and Collavino, L., "Design-Construction of Bridge Street Bridge - First CFRP Bridge in the United States," PCI JOURNAL, V. 47, No. 5, September-October 2002, pp. 20-35

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