Helical anchor design manual

This anchor consists of a plate or plates, formed into the shape of a helix or one pitch of a screw thread. The plate is attached to a central shaft. The helix plate has its characteristic shape to facilitate installation. Installation is accomplished by applying torque to the anchor and screwing it into the soil. The effort to install the anchor is. Helical Design Software Foundation Solutions™ • Provides easy helical design solution for: – Piles {underpinning, new construction slab} – Anchors {tieback guy} • Based on “Individual Bearing Method” • User friendly flexible design software • Provides design confidence • Downloadable free to Design Engineers. Helical Torque Anchor™ Design Considerations 26 Projected Areas of Helical Torque Anchor™ Plates 26 Allowable Helical Plate Capacities 26 Relationship Between Installation Torque and Torque Anchor™ Capacity 26 Motor Torque vs. Ultimate Capacity Table 27 Equation 2: Helical Installation Torque 27 Torque Anchor™ Spacing – “X”:

grouted soil nails. While this manual is written for the design of screw anchor soil nail systems, both types are described below. Screw Anchor Soil Nails - Screw anchor soil nails are screw anchors which consist of inch square solid steel shafts, on which steel bearing plates or helices are welded at regular intervals (Figure ). Helical Anchors Design Manual Section 1. Page | 6 EDM Rev 02 ©, Helical Anchors Inc. Introduction The earliest recorded uses of helical anchors were by an Irish. This anchor consists of a plate or plates, formed into the shape of a helix or one pitch of a screw thread. The plate is attached to a central shaft. The helix plate has its characteristic shape to facilitate installation. Installation is accomplished by applying torque to the anchor and screwing it into the soil. The effort to install the anchor is.

The purpose of this manual is to briefly discuss Helical Pile design. PierTech® supplies helical piers and anchors to industries including. Design professionals may request a Chance Civil Construction Technical Design Manual (Bulletin ) from their Distributor or Territory Manager listed on. Helical Screw Foundation System Design Manual for New Construction In this example, the limiting factor for helical pile design is the compression and.