By Task Committee on Anchorage Design of the Petrochemical Committee of the Energy Division of ASCE
Anchorage layout in Petrochemical amenities provides options for the layout, fabrication, and deploy of anchorages into concrete for petrochemical amenities. reading the reason of creating codes as utilized to petroleum or chemical installations, this document bargains real looking assistance on fabrics, layout information, set up, and service. It summarizes the country of the perform for the layout of cast-in-place anchor rods, welded anchors, and post-installed anchors. An appendix presents 3 instance designs for column pedestal anchors, octagonal pedestal anchors, and shear lug pipe sections. themes contain: evaluation of layout equipment for pressure and shear move with reinforcement and different embedments as utilized in the petrochemical undefined; anchorage fabrics and homes; cast-in-place anchors; post-installed anchors; instructed set up and service. This document may be helpful to petrochemical or structural engineers, in addition to through managers of businesses working petrochemical amenities. it's going to even be invaluable for structural engineers in different industries who anchor structural metal and gear to concrete foundations and constructions
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Extra resources for Anchorage Design for Petrochemical Facilities
Research indicates that the magnitude of F depends on the concrete bearing pressure on the anchor head, since the lateral strain in the concrete increases as the bearing pressure increases. 3R-11 , Appendix A-Tables A2 for cast-in-place anchors, threaded rods with nuts, threaded rods with nuts and washers, and the dimensional properties of bolts, studs and nuts for determining bearing area(Abrg). 25 α from Eq. (1) α from Eq. 4, anchor reinforcement in the form of regular transverse ties, hairpins or spiral reinforcement should be designed to carry the side-face blowout force F.
25 mm), which cannot be easily moved even when a sleeve is provided, other methods such as templates and more diligent QA/QC procedures in placing the anchors should be used so that horizontal adjustment will not be necessary. In the case of larger diameter anchors, the only relevant application for using a sleeve is the case where the anchor will be tensioned. 1. 1: Recommended Sleeve Sizes Recommended Sleeve Size Diameter Length in. (mm) in. (mm) 2 (51) 5 (127) 2 (51) 7 (178) 2 (51) 7 (178) 2 (51) 7 (178) 3 (76) 10 (254) Anchor Diameter in.
Anchors fabricated of ASTM A193/A193M, grade B7 material should be exempt from impact testing to -55º F (-48º C). Anchors fabricated of ASTM A320/A320M, grade L7 material inherently satisfy impact test requirements at low temperatures and no further impact test requirements are necessary. 2 Test Temperature 14 F (-10 C) -4 F (-20 F) Test Values Minimum Average Minimum Individual Minimum Average Minimum Individual 20 ft-lbf (27 J) 16 ft-lbf (22 J) 20 ft-lbf (27 J) 16 ft-lbf (22 J) Exposure to Elevated Temperatures When an anchorage is exposed to extreme high temperatures, the main design concerns are with the coating, grouting, and reduction in strength of the anchorage materials (steel and concrete).