Soilworks products are the industry’s top standard due to our insistence on creating high performance soil stabilization and dust control products that stand up to rigorous testing – both in the lab and in the field. Our commitment to quality and performance has led to our involvement and testing in hundreds of real-world situations. The following library of reports, presentations, specifications, approvals and other similar documents provide you, our customer, the transparency and dependable assurance that is expected from Soilworks.
In a Virginia Department of Transportation field study evaluating shoulder stabilization treatments, Soiltac®, a synthetic copolymer emulsion from Soilworks, was applied to crushed stone shoulders along Route 522 to determine its effect on stiffness, bearing strength, and erosion resistance. Though the study concluded that Soiltac did not significantly increase stiffness or prolong optimal structural properties in this specific crushed stone configuration, the report recommended further research into its potential as a short-term erosion control measure. The study also found that traditional road stabilization equipment may not be efficient for narrow shoulder applications, suggesting that product efficacy could be influenced by equipment selection and material compatibility.
For DOT engineers and transportation planners, Soilworks provides:
Soiltac®: A polymer-based stabilizer designed for surface sealing, dust control, and erosion mitigation on unpaved shoulders and haul roads
Flexible application methods for varied surface types beyond crushed stone
Potential use as a temporary erosion control solution in shoulder zones subject to traffic and runoff
To explore short-term stabilization alternatives in road shoulders or site-specific designs, contact Soilworks for consultation on Soiltac application in transportation infrastructure projects.
USE OF SOIL STABILIZERS ON HIGHWAY SHOULDERS
Background
General Assembly action:
VTRC shall study the use of soil stabilizers in highway s.houlders at one or more selected locations with the objective of finding a method of substantially reducing the occurrence of pavement/shoulder drop off at a reasonable cost
Research Plan
Project Modifications
Before

After

Centrophase 9/14/2005

Soiltac 9/14/2005

Hypotheses
WORKING: The addition of stabilizers to the shoulder material did affect the strength of the material
NULL: The addition of stabilizers to the shoulder materi.al did not affect the strength of the material
As measured by its stiffness and bearing capacity
Performace Data

Low shoulders, Soiltac 9/21/2004

Low shoulders, Control 9/21/2004

Other Findings Visual Inspection
Findings – Objective Tests
Null Hypothesis
The addition of stabilizers to the shoulder material did not affect the strength of the materi.al as determined by measurement of its stiffness and bearing capacity
Entrance – Control Section 2/8/2005

DCP Penetration Readings for Sample Control-6, by Date

DCP Penetration Data – 2/8/2005

Conclusions
Recommendations
Project Limitations
Installation – 9/14/2004

Control

GeoGauge measures stiffness
The DCP measures penetration
2/5/2008 Soiltac – Centrophase – Control

Soiltac Section – 2/8/2005

Centrophase – 2/8/2005

DCP Penetration Readings for Sample Control-6, by Date

DCP Penetration Data 2/8/2005
