temperature tendons 24 preferably the tendons are coated or sheathed such as with polyurethane for corrosion resistance suitable tendons include 1 2 inch low relaxation 7 wire stress relieved strand in accordance with astm a416 such tendons have a breaking load of about 42 000 pounds new end anchors 90 are constructed as best shown in fig6 in addition to the standard anchor plates 90 it is preferable to include reinforcing bars 92 to strengthen the anchorage standard anchor plates are available from many sources including vsl corp of los gatos california a suitable anchor plate 90 is described in u s pat no 4 616 458 the disclosure of which is incorporated herein by reference the anchor plate 90 is preferably attached to a plurality of bars 92 perpendicular to the tendon the bars 92 are anchored to the walls 74 76 of the trench in much the same manner as the rebar retainer the bars 92 are epoxied into holes in walls 74 76 of the trench hook bars 94 are positioned over the anchor plate 90 so as to run parallel with the tendons as shown hook bars 94 may be on the order of about three 3 feet in length both bar 92 and hook bars 94 are preferably coated with epoxy or other corrosion resistant material the ends of the hook bars are preferably inserted into drill holes in the concrete beam and epoxied in place the entire surface of the trench is then preferably coated with an epoxy compound to improve the adherence of the new beam to the original slab a suitable epoxy is the high modulus high strength epoxy bonding grouting adhesive sikadur.