By Task Committee on Anchorage Design of the Petrochemical Committee of the Energy Division of ASCE
Anchorage layout in Petrochemical amenities offers ideas for the layout, fabrication, and install of anchorages into concrete for petrochemical amenities. examining the cause of creating codes as utilized to petroleum or chemical installations, this document deals real looking counsel 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. themes comprise: evaluation of layout equipment for pressure and shear move with reinforcement and different embedments as utilized in the petrochemical undefined; anchorage fabrics and houses; cast-in-place anchors; post-installed anchors; steered deploy and service. This file should be valuable to petrochemical or structural engineers, in addition to by means of managers of businesses working petrochemical amenities. it's going to even be worthwhile for structural engineers in different industries who anchor structural metal and kit to concrete foundations and buildings
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Extra resources for Anchorage Design for Petrochemical Facilities
For an anchor in tension, it may be taken as the elongation of the anchor at maximum tension load divided by the elongation at yield. 3: Concrete Breakout Strength of a Group of Anchors in a Circular Pattern in Shear (Adapted and reproduced with permission from PIP) Anchor ductility is desirable for preventing brittle failure in the connection for two reasons: 1) It provides greater margin against failure because it permits redistribution of load to adjacent anchors and 2) It reduces the maximum dynamic loads by energy absorption and reduction in stiffness.
5. For more information on the basis for ACI 318 Appendix D and ACI 349 Appendix D, the reader is referred to the paper by Fuchs et al. (1995). This paper details how testing has revealed that the CCD Method is a more accurate predictor of concrete capacity for various anchorages than methods using bond strength of anchors to concrete. This has also been verified through probabilistic studies by Klingner et al. (1982a). The reader is cautioned however, that the amount of testing done on anchor arrangements, sizes, and depths of embedment typically found in the petrochemical industry is extremely limited.
ASTM A588/A588M-10, Standard Specification for High-Strength Low-Alloy Structural Steel, up to 50 ksi [345 MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance, ASTM International: West Conshohocken, PA. ASTM A673/A673M-07, Standard Specification for Sampling Procedure for Impact Testing of Structural Steel, ASTM International: West Conshohocken, PA. ASTM A780/A780M-09, Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings, ASTM International: West Conshohocken, PA.