Geotechnical Design Guides and Spreadsheets

Design Guides	Spreadsheets	Description	Revised
Liquefaction Analysis	LIQUEFACTION	Calculates the Factor of Safety Against Liquefaction	November 2018
Axial Capacity of Drilled Shafts in Soft Shale	DRILLED SHAFT AXIAL CAPACITY - SHALE	Provides Drilled Shaft Factored Resistances in Soft Shale <100ksf for various diameters and depths as well as the top of shaft deformation under service loading.	May 2017
Axial Capacity of Drilled Shafts in Rock	DRILLED SHAFT AXIAL CAPACITY IN ROCK	Provides Drilled Shaft Factored Resistances in hard rock for various diameters and depths as well as the top of shaft deformation under loading.	October 2016
Existing Foundation Load Carrying Capacity	EXISTING PILE CAPACITY	Provides maximum pile capacity that can be assumed when checking to see if a substructure can be re-used.	August 2016
Temporary Sheet Piling Design Charts	TEMPORARY SHEET PILE DESIGN ANALYSIS	Provides a Simple but Conservative Procedure to Provide a Temporary Sheet Pile Design	May 2015
Cohesive Soil Settlement Estimate	COHESIVE SOIL SETTLEMENT ESTIMATE	Estimates Primary Settlement of Cohesive Layers using Moisture Content and Qu	December 2014
Integral Abutment Pile Selection	INTEGRAL ABUTMENT FEASIBILITY ANALYSIS	Determines the Feasibility of using an Integral Abutment Given Bridge Length, Skew and Soil Borings	October 2017
Permanent Sheet Pile Design Policy	SSP DIMENSIONS ALL-ILDOT (8)	Provides Sheet Pile Properties to determine (b/tmin)ε used to determine if local buckling will control the sheeting section modulus design.	November 2011
Brom's Overturning & Torsion Capacity of Short Single Shaft	BROM’S OVERTURNING & TORSIONAL SHAFT ANALYSIS	Provides the Shaft Foundation Depth Necessary to Resist the Overturning and Torsional Load from Traffic Signals, Sign Structures and Light Poles/Towers	August 2011
WSDOT PILE BEARING VERIFICATION	WSDOT PILE BEARING VERIFICATION	Provides Pile Inspectors Charts/Graphs to Determine the Nominal Driven Bearing Indicated by the WSDOT Dynamic Formula	February 2010
Axial Geotechnical Resistance of Driven Piles	PILE CAPACITY AND LENGTH ESTIMATES	IDOT Static Method of Estimating Pile Length vs. Resistance	January 2010
LRFD Soil Site Class Definition	SEISMIC SITE CLASS	Provides a Bridges Seismic Site Class	January 2010
Cofferdam Seal Coat Design	COFFERDAM SEAL COAT DESIGN	Determines a Cofferdams Factor of Safety Against Hydrostatic Uplift	November 2006
Temporary Geotextile Wall Design	TEMPORARY GEOTEXTILE WALL ANALYSIS	Analyzes the Pullout Resistance and Stress in Geotextile Walls	November 2006