By Task Committee on Anchorage Design of the Petrochemical Committee of the Energy Division of ASCE
Anchorage layout in Petrochemical amenities offers suggestions for the layout, fabrication, and install of anchorages into concrete for petrochemical amenities. examining the reason of establishing codes as utilized to petroleum or chemical installations, this record deals life like assistance on fabrics, layout information, set up, and service. It summarizes the kingdom of the perform for the layout of cast-in-place anchor rods, welded anchors, and post-installed anchors. An appendix offers 3 instance designs for column pedestal anchors, octagonal pedestal anchors, and shear lug pipe sections. subject matters comprise: assessment of layout tools 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; suggested set up and service. This file should be important to petrochemical or structural engineers, in addition to via managers of businesses working petrochemical amenities. it is going to even be beneficial for structural engineers in different industries who anchor structural metal and gear to concrete foundations and buildings
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Additional info for Anchorage Design for Petrochemical Facilities
Avoid details which will create pockets, crevices, and faying surfaces that can collect and accumulate water, debris, and other damp materials around the anchorage. Foundations located in areas with a high groundwater table are highly susceptible to corrosion. The diameter of anchors exposed to surface drainage or ground water should be increased for corrosion protection as noted above unless a protective coating is provided. The surfaces between base plates and the concrete or grout supporting critical equipment or structures may require sealing to prevent the infiltration of corrosive elements.
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. (mm) 1/2 (13) 5/8 (16) 3/4 (19) 7/8 (22) 1 (25) Full-length sleeves are typically provided for anchors that are to be tensioned or if the engineer determines that a greater allowance is required for alignment. If the anchor is to be tensioned, the full length sleeve should be sealed on top or filled with an approved elastomeric material to prevent grout or liquid from filling the sleeve.
8, the value of α indicates the ratio of side-face blowout force F to the tension force Nua. 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.
Anchorage Design for Petrochemical Facilities by Task Committee on Anchorage Design of the Petrochemical Committee of the Energy Division of ASCE