Ground Improvement
This technical area provides method and procedural guidance concerning the selection, design, performance, specification, installation, quality assurance/quality control, construction monitoring, and construction inspection associated with ground improvement techniques for transportation applications. Covered topics on ground improvement techniques include: grouting, vertical drains, stone columns, lightweight fills, vibro compaction, dynamic compaction, deep soil mixing, column supported embankments, soil nailing, MSE walls, and reinforced soil slopes.
Features
Guidance
- Geotechnical Engineering Circular No. 13 - Ground Modification Methods Reference Manual - Volume I (April, 2017)
- Geotechnical Engineering Circular No. 13 - Ground Modification Methods Reference Manual - Volume II (April, 2017)
- Geotechnical Engineering Circular No. 7 - Soil Nail Walls (March, 2015)
- Checklist and Guidelines for Review of Geotechnical Reports and Preliminary Plans and Specifications (February, 2003)
- Geotechnical Engineering Circular No. 4 - Ground Anchors and Anchored Systems (June, 1999)
Training & Workshops
- NHI 132012 Soils and Foundations Workshop
- NHI 132034 Ground Modification Methods
- NHI Geotechnical Courses