Geotechnical construction
Geotechnical construction projects require an understanding of how subsurface conditions affect constructability, stability, settlement, and long-term performance. ENTACT provides specialized geotechnical construction solutions that address challenging soil conditions, improve ground performance, and support the construction of infrastructure, facilities, and other critical assets.
Our geotechnical teams combine decades of field experience, specialized equipment, advanced construction technology, and strong self-performance capabilities to execute complex ground improvement and geotechnical construction projects. By adapting construction methods to actual subsurface conditions and project requirements, ENTACT helps Clients address constructability challenges and achieve reliable ground performance.
Highlighted Services
Deep Soil Mixing
When it comes to Deep Soil Mixing (DSM), no company has broader capabilities or more experienced Associates than ENTACT. We self-perform all DSM work, providing reliability and accountability that Clients can count on for schedule and cost control, no matter the size of your project. …
Ground Improvement
Ground improvement and/or modification is essential to build a stable and lasting foundation for any project. Whether the end goal is environmental remediation, preparation for civil applications, or stabilization to ensure future longevity, ENTACT has the expertise and equipment to get the job done right. …
Liquefaction Mitigation
ENTACT specializes in ground improvement and liquefaction mitigation by utilizing our leading industry expertise in deep soil mixing (DSM) and in-situ stabilization (ISS) to effectively reduce the risks of liquefaction, lateral spreading, and soil settlement, providing long-term stability for your construction projects. …
Water Management
Effective dewatering and water management is essential to the success of environmental remediation and geotechnical construction projects. At ENTACT, we bring decades of field-proven experience managing groundwater, surface water, and process liquids in support of a wide range of site development, remediation, and restoration efforts. …
Earth Retention
ENTACT provides earth retention and structural support solutions for complex environmental remediation and geotechnical construction projects. Our work frequently involves deep excavations, constrained sites, and proximity to existing infrastructure, where carefully executed support systems are required to maintain excavation stability and protect adjacent structures. …
In-Situ Stabilization / Solidification
In-situ solidification/stabilization (ISS) is a proven environmental remediation technology used for contaminated soil and sediment treatment without extensive excavation or off-site disposal. This in-situ remediation process blends contaminated soil or sediment with engineered amendments. The selected amendments react with or bind contaminants within the treated material and alter its physical properties. …
Integrated geotechnical construction capabilities
- Infrastructure and transportation
- Industrial and manufacturing facilities
- Energy facilities
- Data centers and private infrastructure
- Ports and waterfront developments
- Foundations and structural support
- Excavation and earth retention
- Settlement-sensitive sites
- Soft and weak soils
- Compressible and variable subsurface conditions
- Brownfields
- Challenging or constrained construction sites
- Environmental and geotechnical remediation projects
Our capabilities include:
- Cutoff walls
- Deep soil mixing
- Dewatering and water treatment
- Earth retention/structural support
- Ground improvement
- Ground stabilization/settlement and liquefaction mitigation
- In-situ gravity retaining walls
- Overlapping columns
- Shallow excavator mixing–mass solidification
- Sheet pile installation
- Slurry wall construction
- Soil mixing–wet and dry
- Soil-cement columns for tank pad support
- Soilcrete columns
- Wet soil conditioning
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