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Earthquake Drains are the single most cost-effective method for mitigating liquefaction in loose sandy soils.
Vibro-Replacement (Stone Columns)
Vibro-replacement can be used to densify loose cohesionless soils for increased bearing capacities and increased resistance to liquefaction.
Aggregate Piers
Short aggregate piers increase bearing pressures in shallow problem soils.
Prefabricated Vertical (Wick) Drains
Wick drains accelerate the consolidation of soft cohesive (clayey and silty) soils allowing contruction to occur at a sooner date.
Ellington Cross strives to maintain updated case studies of select projects for your review. The following is an abbreviated list of recent ground improvement projects
Ellington Cross LLC
PO Box 236
Indian Trail, NC 28277
Office: +1 888 728 3128
FAX: +1 888 728 7679
E-mail: scottellington@ellingtoncross.com
In the past, the conventional method for handling loose sands, soft clays and poorly compacted fills on a construction project was to undercut and replace those materials or to bypass them with deep foundations. Today, geotechnical and structural engineers design buildings, embankments, bridges and slopes to bear on soils improved in-place.
Ground Improvement consists of densifying, compacting and/or draining soils in-situ to increase bearing capacities and shear strengths, reduce settlements, stabilize slopes and to mitigate liquefaction potential. Improved soils can support structures on shallow foundations or can be used in conjunction with deep foundations to improve lateral support and ultimate pile capacities.
Because ground improvement is a fraction of the cost of undercutting and replacing poor soils or installing deep foundation (piles/caisson), many sites considered to expensive to develop are now being revisited.
Our staff has performed both the engineering and field construction on many challenging Ground Improvement projects worldwide. Ellington Cross has the experience and technical expertise to assist you in evaluating Ground Improvement options. Please take the time to consider the techniques that we offer. Foundations supported on an improved subgrade could lead to substantial cost and time savings on your next difficult site.
