Validation and Refinement of Chemical Stabilization Procedures for Pavement Subgrade Soils in Oklahoma-Volume I.

摘要

Stabilization of fine-grained soils is an alternative for geotechnical engineers considering the economics of construction with silt or clay soils. Mechanical stabilization, such as compaction, is an option; however many engineers have found it necessary to alter the physicochemical properties of clay soils in order to permanently stabilize them. The results presented in this report are part of a larger study that seeks to validate and/or refine the Oklahoma Department of Transportations (ODOT) recommended additive contents for stabilizing fine-grained soils in Oklahoma. ODOT recently published their OHD L-50 Standard Soil Stabilization Mix Design Procedure which gives guidelines on additive percentages to be used with soils classified by AASHTO M145 (AASHTO 2010).