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FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 552Sustained Load Test ValuesAnchorage Device Tension TestStud Size (inch) Load (pounds)0.750 5,0000.625 4,1000.500 3,2000.375 2,1000.250 1,000Install concrete anchorage devices as recommended by the device manufacturerand so that the attached equipment or fixtures will bear firmly against theconcrete. Torque installed nuts to the values specified in Table 552-6 unlessotherwise specified in the manufacturer's instructions. Set bearing anchorbolts according to the requirements of Section 564.In the presence of the CO, proof load a random sample of at least 10 percentof the anchors to 90 percent of the yield stress of the steel. If any anchor fails,reset the failed anchor and proof load the reset anchor and 100 percent of allremaining anchors. The proof load may be applied by torquing against a loadindicator washer, applying a direct tension load to the anchor, or anothermethod approved by the CO. After proof loading, release the load on theanchor and retighten to the load specified in Table 552-6 or according to themanufacturer's instructions.Table 552-6Torque for Anchorage DevicesAnchorage DeviceStud Diameter (inch)Torque(foot pounds)0.750 1250.625 900.500 600.375 350.250 10552.18 Loads on New Concrete Structures. Do not place any loads on400

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