The International Information Center for Geotechnical Engineers

Tuesday, 27 June 2017 14:09

GP3® System in action

Approximately 525, 30-inch-diameter Geopier GP3® elements were installed for the Ohio Health facility in Columbus, OH. 

The Geopier GP3® system uses replacement Rammed Aggregate Pier® (RAP) elements to reinforce good to poor soils, including soft to stiff clay and silt, loose to dense sand, organic silt and peat, and variable, uncontrolled fill. The RAP elements are constructed by applying direct vertical ramming energy to densely compact successive lifts of high quality crushed rock to form high stiffness engineered elements. The vertical ramming results in high density and high strength RAP elements providing superior support capacity, increased bearing pressure up to 10,000 psf and excellent settlement control.

The Geopier elements are reinforcing clay fill soils in support of column and wall loads of 575 kips and 20 klf, respectively, to limit settlements to the designer’s criteria of 1-inch or less. This project also featured several GP3 elements outfitted with uplift harnesses capable of resisting uplift loads of 37 kips per pier.

 Watch in in the video below Geopier GP3® On-Site Installation and Animation in action.

Source: Geopier

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