CFRP Strand Application on Penobscot Narrows Cable Stayed Bridge

Rohleder, Jr., P.E., S.E., W. Jay Page 4With the cradle design, cable stay strands serve as tensile elements that are individually threadedcontinuously from an anchorage at the bridge deck (see Figure 2), through a free length of HDPE external sheath(see Figure 3), through the cradle in the pylon (see Figure 4) and back through another sheath and anchorage atbridge deck on the opposite side of the pylon.FIGURE 2 – Cable Stay Block for Anchoring Individual <strong>Strand</strong>s Inside the Box Girder.FIGURE 3 – Cable Stay Sheath Containing Individual <strong>Strand</strong>s.