Chance Technical Design Manual

TABLE OF CONTENTS

Type SS/RS Combination Helical Piles..................................................................................................7-76 Chance Helical Pulldown Micropiles........................................................................................................7-77 Remedial Repair Brackets For Chance Helical Piles.........................................................................7-81 New Construction Pile Caps......................................................................................................................7-90 GroutForce Displacement Pile..................................................................................................................7-96 SECTION 8: DESIGN EXAMPLES Design Example 1: Atlas Resistance Piers...............................................................................................8-2 Design Example 2: Atlas Resistance Piers with Integrated Tieback.............................................8-3 Design Example 3: Helical Pile Foundation for New Construction..............................................8-5 Design Example 4: Light Commercial Structure.................................................................................8-6 Design Example 5: Helical Pulldown Micropiles for New Construction.....................................8-10 Design Example 6: Helical Piles for Boardwalks.................................................................................8-14 Design Example 7: Helical Piles for Boardwalks with Lateral Support......................................8-15 Design Example 8: Helical Tieback Anchors In Clay.........................................................................8-16 Design Example 9: Helical Tieback Anchors In Sand.......................................................................8-17 Design Example 10: Soil Screw Retention Wall System...................................................................8-19 Design Example 11: Helical Piles/Anchors for Telecommunication Towers..............................8-24 Design Example 12: Helical Anchors for Pipeline Buoyancy Control..........................................8-31 Design Example 13: Type RS Helical Piles for Lateral Support....................................................8-35 Design Example 14: Instant Foundations for Street Light Supports.........................................8-36 Design Example 15: Foundation Earth Pressure Resistance.........................................................8-39 Design Example 16: Buckling Example Using the Davisson Method........................................8-40 Design Example 17: Buckling Example Using the Finite-Difference Method...........................8-41 Design Example 18: Buckling Example Using the Finite-Element Method..............................8-43 Design Example 19: Monopole Foundation with Steel Grillage & RS5500 Helical Piles....8-44 SECTION 9: SOIL SCREW® RETENTION WALL SYSTEM Introduction....................................................................................................................................................... 9-2 Soil Screw® Retention Wall System...........................................................................................................9-2 Preliminary Design Considerations...........................................................................................................9-4 Geotechnical And Structural Engineering.............................................................................................9-5 Limiting Load Capacities...............................................................................................................................9-7 General Construction Considerations of Underpinning/Shoring Systems.................................9-7 Concepts And Applications Of Underpinning/Shoring Systems..................................................9-8 Case Study 1 - High Foundation Line Load With Shallow Cut.......................................................9-9 Case Study 2 - Low Foundation Line With Deep Cut......................................................................9-12 SECTION 10: INSTANT FOUNDATION® SYSTEM Introduction......................................................................................................................................................10-2 Design.................................................................................................................................................................10-2 Laterally Loaded Foundations...................................................................................................................10-6 Instant Foundations® System Specifications........................................................................................10-7 Product Specifications.................................................................................................................................10-7 Pole Load Determination Data Sheet.....................................................................................................10-9

Hubbell Power Systems, Inc. | All Rights Reserved | Copyright © 2025 | v