chance® helical pile/anchors

410 Pages·2014·22.69 MB·English

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Page C-1 | Hubbell Power Systems, Inc. | All Rights Reserved | Copyright © 2014
CONTENTS
INTRODUCTION

Section 1
DEFINITION of ATLAS RESISTANCE® PIER ........................................... 1-4
HISTORY of PUSHED STEEL PILE SYSTEMS ......................................... 1-4
DEFINITION of HELICAL PILES/ANCHORS ........................................... 1-8
HISTORY and SCIENCE OF CHANCE® HELICAL PILES/ANCHORS ........ 1-8
SOIL MECHANICS

Section 2
INTRODUCTION ..................................................................................... 2-4
SOIL MECHANIC ..................................................................................... 2-4
SITE INVESTIGATIONS ............................................................................ 2-13
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N PRODUCT FEASIBILITY

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C FEASIBILITY of USING CHANCE® HELICAL or ..................................... 3-3
ATLAS RESISTANCE® PIER PRODUCTS
SHAFT SIZE SELECTION BASED on SOIL PARAMETERS ...................... 3-6
PRELIMINARY CHANCE® HELICAL PILE/ANCHOR and ATLAS ............ 3-8
RESISTANCE® PIER DESIGN GUIDE
LOAD DETERMINATION

Section 4
STRUCTURAL LOADS .......................................................................... 4-4
PRELIMINARY TIEBACK DESIGN GUIDE ............................................... 4-5
PLACEMENT of TIEBACK ANCHORS .................................................... 4-7
TABLES for ESTIMATING DEAD LINE (DL) and LIVE LINE (LL) LOADS 4-9
TABLES for ESTIMATING FREE SPANS BETWEEN SUPPORTS .............. 4-11
PRELIMINARY DESIGN GUIDELINES for REINFORCED ......................... 4-16
CONCRETE GRADE BEAMS
PRELIMINARY DESIGN GUIDELINES for REINFORCED ......................... 4-23
CONCRETE PILE CAPS
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DESIGN METHODOLOGY

Section 5
5.1 ATLAS RESISTANCE® PIER CAPACITY ............................................ 5-5
5.2 CHANCE® HELICAL ANCHOR/PILE BEARING CAPACITY ................ 5-7
5.3 EVALUATING SOIL PROPERTIES for DESIGN .................................. 5-25
5.4 FACTOR of SAFETY ........................................................................ 5-33
5.5 HeliCAP® HELICAL CAPACITY DESIGN SOFTWARE ....................... 5-35
5.6 APPLICATION GUIDELINES for CHANCE® HELICAL PILES/ANCHORS 5-41
5.7 LATERAL CAPACITY OF HELICAL PILES ......................................... 5-42
5.8 BUCKLING/SLENDERNESS CONSIDERATIONS ............................... 5-48
5.9 CHANCE® HELICAL PILE/DEFLECTION AT WORKING LOAD ........... 5-53
INSTALLATION METHODOLOGY

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ATLAS RESISTANCE® PIERS ................................................................. 6-4 E
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CHANCE® HELICAL PILES/ANCHOR .................................................... 6-7 T
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INSTALLATION TORQUE/LOAD CAPACITY RELATIONSHIP ................... 6-7
TORQUE INDICATOR and MOTOR CALIBRATION .................................. 6-16
INSTALLATION TERMINATION CRITERIA .............................................. 6-16
PRODUCT DRAWINGS and RATINGS

Section 7
ATLAS RESISTANCE® PIERS ................................................................. 7-3
PIER PIPE SHAFTS ................................................................................ 7-3
REMEDIAL REPAIR BRACKETS for ATLAS RESISTANCE® PIERS ........... 7-4
CHANCE® HELICAL PILES/ANCHORS .................................................. 7-8
TYPE SS SERIES HELICAL PILES/ANCHORS ......................................... 7-13
TYPE RS SERIES HELICAL PILES/ANCHORS ........................................ 7-31
TYPE SS/RS COMBINATION HELICAL PILES ........................................ 7-47
HELICAL PULLDOWN® MICROPILES ................................................... 7-47
REMEDIAL REPAIR BRACKETS for CHANCE® HELICAL PILES .............. 7-52
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DESIGN EXAMPLES

Section 8
DESIGN EXAMPLE 1 ..................................ATLAS RESISTANCE® PIERS 8-4
DESIGN EXAMPLE 2 .....ATLAS RESISTANCE® PIER WITH INTEGRATED 8-7
.................................................................................................TIEBACK
DESIGN EXAMPLE 3 ............HELICAL PILE FOR NEW CONSTRUCTION 8-10
DESIGN EXAMPLE 4 ........................LIGHT COMMERCIAL STRUCTURE 8-12
DESIGN EXAMPLE 5 .............HELICAL PULLDOWN® MICROPILES FOR 8-18
............................................................................NEW CONSTRUCTION
DESIGN EXAMPLE 6 ......................HELICAL PILES FOR BOARDWALKS 8-23
DESIGN EXAMPLE 7 ............HELICAL PILES FOR BOARDWALKS WITH 8-26
................................................................................LATERAL SUPPORT
DESIGN EXAMPLE 8 ..................HELICAL TIEBACK ANCHORS IN CLAY 8-28
DESIGN EXAMPLE 9 .................HELICAL TIEBACK ANCHORS IN SAND 8-31
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N DESIGN EXAMPLE 10 .........SOIL SCREW® RETENTION WALL SYSTEM 8-34
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T DESIGN EXAMPLE 11 ..........................HELICAL PILES/ANCHORS FOR 8-45
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DESIGN EXAMPLE 12 ......................HELICAL ANCHORS FOR PIPELINE 8-52
............................................................................BUOYANCY CONTROL
DESIGN EXAMPLE 13 ...............TYPE RS HELICAL PILES FOR LATERAL 8-59
...............................................................................................SUPPORT
DESIGN EXAMPLE 14 ..............INSTANT FOUNDATIONS® FOR STREET 8-61
...................................................................................LIGHT SUPPORTS
DESIGN EXAMPLE 15 ........................FOUNDATION EARTH PRESSURE 8-65
...........................................................................................RESISTANCE
DESIGN EXAMPLE 16 .......................BUCKLING EXAMPLE USING THE 8-67
..............................................................................DAVISSON METHOD
DESIGN EXAMPLE 17 .......................BUCKLING EXAMPLE USING THE 8-69
................................................................FINITE DIFFERENCE METHOD
DESIGN EXAMPLE 18 .......................BUCKLING EXAMPLE USING THE 8-71
....................................................................FINITE ELEMENT METHOD
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SOIL SCREW® RETENTION WALL SYSTEM

Section 9
INTRODUCTION ................................................................................... 9-4
PRODUCT BENEFITS ............................................................................ 9-4
SYSTEM DESCRIPTION ........................................................................ 9-5
SOIL SCREW® RETENTION WALL SYSTEM SELECTION ...................... 9-5
GUIDELINES
PRELIMINARY DESIGN CONSIDERATIONS ........................................... 9-8
PRELIMINARY DESIGN RECOMMENDATIONS ..................................... 9-8
GEOTECHNICAL and STRUCTURAL ENGINEERING .............................. 9-9
LIMITING LOAD CAPACITIES ................................................................ 9-11
GENERAL CONSTRUCTION CONSIDERATIONS of ................................. 9-12
UNDERPINNING/SHORING SYSTEMS
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CONCEPTS and APPLICATIONS of UNDERPINNING/SHORING ........... 9-13
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CASE STUDY 1 - HIGH FOUNDATION LINE LOAD with SHALLOW CUT 9-14 T
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CASE STUDY 2 - LOW FOUNDATION LINE with DEEP CUT ................. 9-19
INSTANT FOUNDATION® SYSTEM
Section 10
INTRODUCTION ................................................................................... 10-3
PRODUCT BENEFITS ............................................................................ 10-3
RECOMMENDED FACTORS of SAFETY for DESIGN .............................. 10-5
DESIGN GUIDELINES ............................................................................ 10-6
LIGHT POLE STANDARDS SUPPORTS .................................................. 10-7
LATERALLY LOADED FOUNDATIONS .................................................... 10-9
PRODUCT SPECIFICATIONS .................................................................. 10-11
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CORROSION - AN OVERVIEW
Appendix A
INTRODUCTION ................................................................................... A-4
CORROSION THEORY ........................................................................... A-4
SOIL ENVIRONMENTS ......................................................................... A-6
PREDICTING CORROSION LOSS............................................................ A-8
CORROSION LOSS RATES ..................................................................... A-10
FIELD MEASUREMENT OF SOIL RESISTIVITY ...................................... A-13
CORROSION CONTROL TECHNIQUES ................................................... A-15
DESIGN EXAMPLES ............................................................................. A-21
LOAD TESTS
Appendix B
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T STATIC LOAD TESTS (TIEBACKS) .......................................................... B-3
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E STATIC AXIAL LOAD TESTS (COMPRESSION/TENSION) ....................... B-6
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N STATIC LOAD TESTS (LATERAL) ........................................................... B-9
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C CAPACITY VERIFICATION FOR ATLAS® RESISTANCE PIERS ................. B-10
ACCEPTANCE CRITERIA ........................................................................ B-12
HELICAL PILES & ANCHORS - A BASIC GUIDELINE FOR DESIGNERS
Appendix C
I. INTRODUCTON ............................................................................ C-3
II. DESIGN REQUIREMENTS ............................................................. C-4
A. Shaft Type of Helical Pile/Anchor ........................................ C-4
B. Shaft Size ............................................................................. C-7
C. Helical Configuration ........................................................... C-7
D. Pile/Anchor Length.............................................................. C-8
E. Pile/Anchor Minimum Capacity or Installation Torque ...... C-9
III. CONSTRUCTION DOCUMENTS .................................................... C-11
A. Construction Plans ............................................................... C-11
B. Bidding Documents ............................................................. C-11
C. Technical Specifications ....................................................... C-12
Page C-6 | Hubbell Power Systems, Inc. | All Rights Reserved | Copyright © 2014
FORMS
Appendix D
Preliminary Design Request Form ...................................................... D-3
HeliCAP® Helical Capacity Design Software Buyer ............................ D-4
Qualification and Order Form
CHANCE® Helical Anchor/Pile Axial Test Form .................................. D-6
ATLAS RESISTANCE® Piers Installation Log ...................................... D-7
CHANCE® Helical Anchor/Pile Installation Log ................................. D-8
CHANCE HELICAL PULLDOWN® Micropile Installation Log ............ D-9
ATLAS RESISTANCE® Piers - Project Summary Log .......................... D-10
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Page C-7 | Hubbell Power Systems, Inc. | All Rights Reserved | Copyright © 2014
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Page 1-1 | Hubbell Power Systems, Inc. | All Rights Reserved | Copyright © 2014
INTRODUCTION
SECTION 1
CONTENTS
DEFINITION of ATLAS RESISTANCE® PIER 1-4
HISTORY of PUSHED STEEL PILE SYSTEMS 1-4
DEFINITION of HELICAL PILES/ANCHORS 1-8
HISTORY and SCIENCE OF CHANCE® HELICAL PILES/ANCHORS 1-8
SYMBOLS USED IN THIS SECTION

FS ...............................................................................Factor of Safety 1-4
ASTM .............................American Society for Testing and Materials 1-6
BOCA ........Building Officials and Code Administrators International 1-6
N ICBO ............................International Conference of Building Officials 1-6
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I SBCCI ......................Southern Building Code Congress International 1-6
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ICC ............................................................International Code Council 1-6
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PISA ....................................................Power Installed Screw Anchor 1-9
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RR ......................................................................................Round Rod 1-9
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SS....................................................................................Square Shaft 1-9
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HS .................................................................................High Strength 1-10
PIF ...........................................................Power Installed Foundation 1-10
SLF ................................................................Street Light Foundation 1-10
T/C ....................................................................Tension/Compression 1-11
ICC-ES ......................................................ICC Evaluation Service, Inc. 1-13
kips .....................................................................................Kilopound 1-11
Page 1-2 | Hubbell Power Systems, Inc. | All Rights Reserved | Copyright © 2014