The geotechnical section provides geotechnical services for the department including laboratory and field testing as well as subsurface drilling.  This section obtains and interprets the subsurface information needed to design highways and bridges.  Soils and Geology personnel also investigate various geotechnical matters including foundation stability and settlement of embankments, slide corrections, subgrade and base stabilization, bridge and wall foundations, sinks and mine subsidence, and the use of new technology and products.  Geotechnical serves as a contact regarding geotechnical problems, new products, specifications, training programs and implementation of new products and procedures.   This section also participates in proficiency sample programs and inspections by the National Institute of Standards and Technology.

GeoTechnical Engineering Guidelines

Correlation of Plasticity Index to Angle of Internal Friction (182K)

Corebox (14K)

Field Guide (31K)

Fill Slope Guide (16K)

Geophysical Methods FHWA 1998 (598K)

GeoTechnical Section Guidelines (1 meg)

Modified State Plane (21K)

MoDOT Field Log Protocol (97K)

P-Y Curve Criteria (32K)

RQD (18K)

Seismic Procedure (2.8 meg)

Shale Split Spoon Procedure (21K)

Soil and Rock Properties FHWA 2002 (7.6 meg)

Soil Profile Type (22K)

Soil Survey (20K)

Subsurface Investigation Manual FHWA 1997 (27 meg)

Towers (1.9 meg)

Versa Drill 50 Blow Procedure (11K)

Contact Information:

MoDOT Construction and Materials Division
P. O. Box 270
Jefferson City, MO 65102
Phone: (573) 526-5730
Fax: (573) 526-4345
E-mail: alan.miller@modot.mo.gov

The documents are provided in Acrobat Reader format. Free Acrobat Reader download