Transcription of Anchoring To Concrete - PDHonline.com
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Anchoring To Concrete - PDHonline.com
An Approved Continuing Education Provider PDHonline Course S293 (6 PDH) Anchoring To Concrete Instructor: Marvin Liebler, 2016 PDH Online | PDH Center 5272 Meadow Estates Drive Fairfax, VA 22030-6658 Phone & Fax: 703-988-0088 PDHonline Course S293 2016 Marvin Liebler Page 2 of 72 INTRODUCTION ------------ A Concrete anchor is a steel shaft either cast into Concrete at placement or post-installed after the Concrete has hardened. Cast-in anchors are threaded shafts with a buried end termination of a hex head, threaded nut, or 90 (L-) or 180 (J-) hook, or headed (non-threaded) studs welded to a surface plate.
displacement-controlled expansion anchors -> 4.0*hef da = anchor diameter, in. ha = member depth, in. (1) If edge distance less than that shown, substitute da’ for da that meets the requirements of minimum center-center spacing and edge distance. Forces are limited to an anchor with a diameter of da’.
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