California Department of Transportation

 

Geotechnical Manual

The Geotechnical Manual documents the Department’s standards of practice for geotechnical investigations, design, and reporting.  Geotechnical Services staff and consultants performing work on behalf of the Department must adhere to the requirements in the Geotechnical Manual.

SECTION   REVISION DATE
Introduction   June 2012
Consultant Oversight   August 2013
Task Order Initiation   February 2017
   
  February 2017
  June 2017
  May 2013
  January 2006
Geotechnical Investigations   July 2017
  December 2014
   
  March 2012
  2010
Standard Plan Designs   November 2010
Soil Correlations   March 2014
ARS Online   January 2013
Liquefaction Evaluation   December 2014
Fault Rupture   January 2017
Conventional Retaining Walls   April 2016
Mechanically Stabilized Embankments (Caltrans Pre-Designed)   June 2017
Soil Nail Walls   June 2017
Standard Plan Overhead and Changeable Message Signs   October 2014
Driven Pile Foundations   June 2017
CIDH Pile Foundations   June 2017
Design Data Documentation and Geotechnical Evaluation of Anomalous CIDH Concrete Piles   December 2014
Sound Walls   July 2010
Embankments   December 2014
Rock Cut Slope Design   June 2013
Rockfall   July 2014
Ground Improvement   October 2014
Geosynthetics   June 2013
     
References    
Forms and Templates    
     

A discussion forum titled Geotechnical Manual has been placed on the GS Discussion Board for staff to post their questions or comments.