Skip to main navigation Main Navigation Services / Geoprofessional / Geostructural Construction Support – Geoprofessional Environmental – Geoprofessional Geosciences Geotechnical Geostructural Infrastructure Monitoring Laboratory Testing Risk – Geoprofessional Schnabel is known worldwide for its geostructural designs to support excavation, underground openings and tunnels, cofferdams, bulkheads, bridges, slope repairs, and structure underpinning. Developing safe, reliable, and cost-effective underground support systems requires a thorough understanding of site conditions and the ability to develop and apply sophisticated approaches to meet our clients’ expectations. Excavation Support Design Complete support of excavation Multi-tiered anchored and braced support Soil nail and mechanically stabilized earth (MSE) wall design Slurry wall design Instrumentation and monitoring PLAXIS soil-structure interaction modeling Foundation Design Drilled shaft design Auger cast and driven piles Deep foundation testing Soil and rock slope repair Soil nail reinforced slopes Tied-back walls Micropile supported retaining structures Rock doweling and rock bolts Drainage and shotcrete Rockfall hazard mitigation Ground Improvement and Underpinning Low mobility grouting Jet grouting Vibro-replacement Soil mix walls and shear panels Dynamic compaction High-capacity micropile systems PROJECTS SCDOT I-26 / Volvo Interchange Berkeley County, SC Governor Printz Interceptor New Castle, DE SEE MORE OUR EXPERTS Allen W. Cadden, PE, D.GE Principal Read Bio Paul E. Diggs, PE Principal / Co-President, Geotechnical Engineering Services Read Bio Chad C. Mayers, PE Principal / Co-President, Geotechnical Engineering Services Read Bio Markets Government Power and Energy Transportation Water Commercial Cultural Industrial Institutional Services Dam and Levee Geoprofessional Structures and Facilities Tunnel and Underground Water Supply, Conveyance, and Distribution Construction Phase Services Environmental Risk Portfolio About Careers Privacy Terms of Use Contact © Copyright 2021. Schnabel Engineering, Inc. All Rights Reserved. | All engineering services in the following states are performed by Schnabel’s respective affiliated entity: Michigan: Schnabel Engineering of Michigan, Inc.; New York/Connecticut: Schnabel Engineering of New York; North Carolina: Schnabel Engineering South, P.C.