Chance Technical Design Manual

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SYMBOLS & ACRONYMS

γ

Effective Unit Weight of Soil

DL

Design Load (Appendix B only)

γ ’

Submerged Unit Weight (Submerged Density) (Section 2 only) Effective Unit Weight of the Soil (Section 5 only)

DMT

Dilatometer Test

DS

Design Load

γ ’ γ d

e E

Void Ratio

Dry Unit Weight (Dry Density)

Modulus of Elasticity

γ s γ t

Saturated Unit Weight (Saturated Density) Wet (Total) Unit Weight (Wet Density)

EI

Flexural Rigidity of the Foundation Shaft Modulus of Elasticity of Foundation Shaft

E p

∆ Lf

Incremental Pile Length

EPA

Effective Projected Area

θ σ

Failure Plane Angle

E s

Secant Modulus of the Soil Response Curve

Total Stress

E s γ Soil Reaction per Unit Length FHWA Federal Highway Administration FS Factor of Safety f s

σ ’ σ o

Effective Stress

Mean Normal Stress

τ f

Shear Strength

Sum of Friction and Adhesion Between Soil and Pile

Angle of Internal Friction

φ

F Sh

Factor of Safety for Mechanical Strength of Hardware

A Effective Cylinder Area AASHTO American Association of State Highway and Transportation Officials ACI American Concrete Institute A h Projected Helix Area AISC American Institute of Steel Construction AL Alignment Load ASL Allowable Steel Loss ASTM American Society for Testing and Materials AWS American Welding Society B Helix Diameter & Footing Width (Base) BOCA Building Officials and Code Administrators International c Cohesion of Soil C a Adhesion Factor CFA Continuous Flight Auger CID Cubic Inch Displacement CL Corrosion Weight Loss CPT Cone Penetration Test CPTU Piezocone Penetration Test D Diameter DF Driving Force DL Dead Load

F Sp

Proof Load Factor of Safety

FVT

Field Vane Test

G

Amount of Galvanized Coating

GWT

Ground Water Table

H

Height of Wall or Resisting Element

H d /S d Helix to Shaft Diameter Ratio HS High Strength HSA Hollow Stem Auger I

Moment of Inertia (Section 5 only) Electrical Current (Appendix A only)

I

ICBO

International Conference of Building Officials

ICC International Code Council ICC-ES ICC Evaluation Service, Inc. I p

Moment of Inertia of Foundation Shaft Coefficient of Earth Pressure at Rest

K 0 K 2 K a

Weight Loss by Corrosion

Coefficient of Active Earth Pressure Modulus of Subgrade Reaction

k h

kip

Kilopound

Kl/r

Slenderness Ratio

K p

Coefficient of Passive Earth Pressure

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